Merge commit 'v2.6.38-rc1' into kbuild/packaging

117 files changed, 8852 insertions, 3644 deletions

diff --git a/scripts/.gitignore b/scripts/.gitignore
index 52cab46ae35..e2741d23bab 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -6,5 +6,5 @@ kallsyms
 pnmtologo
 bin2c
 unifdef
-binoffset
 ihex2fw
+recordmcount
diff --git a/scripts/Makefile b/scripts/Makefile
index 842dbc2d5ae..2e088109fbd 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -11,6 +11,7 @@ hostprogs-$(CONFIG_KALLSYMS)     += kallsyms
 hostprogs-$(CONFIG_LOGO)         += pnmtologo
 hostprogs-$(CONFIG_VT)           += conmakehash
 hostprogs-$(CONFIG_IKCONFIG)     += bin2c
+hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
 
 always          := $(hostprogs-y) $(hostprogs-m)
 
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e4deb73e9a8..4eb99ab3405 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -115,7 +115,10 @@ endif
 # ---------------------------------------------------------------------------
 
 # Default is built-in, unless we know otherwise
-modkern_cflags = $(if $(part-of-module), $(CFLAGS_MODULE), $(CFLAGS_KERNEL))
+modkern_cflags =                                          \
+        $(if $(part-of-module),                           \
+                $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \
+                $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL))
 quiet_modtag := $(empty)   $(empty)
 
 $(real-objs-m)        : part-of-module := y
@@ -156,14 +159,14 @@ $(obj)/%.i: $(src)/%.c FORCE
 
 cmd_gensymtypes =                                                           \
     $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
-    $(GENKSYMS) -T $@ -a $(ARCH)                                            \
+    $(GENKSYMS) $(if $(1), -T $(2)) -a $(ARCH)                              \
      $(if $(KBUILD_PRESERVE),-p)                                            \
-     $(if $(1),-r $(firstword $(wildcard $(@:.symtypes=.symref) /dev/null)))
+     -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))
 
 quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
 cmd_cc_symtypes_c =                                                         \
     set -e;                                                                 \
-    $(call cmd_gensymtypes, true) >/dev/null;                               \
+    $(call cmd_gensymtypes,true,$@) >/dev/null;                             \
     test -s $@ || rm -f $@
 
 $(obj)/%.symtypes : $(src)/%.c FORCE
@@ -192,26 +195,42 @@ else
 #   the actual value of the checksum generated by genksyms
 
 cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
-cmd_modversions =                                                       \
-        if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then     \
-                $(call cmd_gensymtypes, $(KBUILD_SYMTYPES))             \
-                    > $(@D)/.tmp_$(@F:.o=.ver);                         \
-                                                                        \
-                $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F)              \
-                        -T $(@D)/.tmp_$(@F:.o=.ver);                    \
-                rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);        \
-        else                                                            \
-                mv -f $(@D)/.tmp_$(@F) $@;                              \
+cmd_modversions =                                                               \
+        if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then             \
+                $(call cmd_gensymtypes,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))    \
+                    > $(@D)/.tmp_$(@F:.o=.ver);                                 \
+                                                                                \
+                $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F)                      \
+                        -T $(@D)/.tmp_$(@F:.o=.ver);                            \
+                rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);                \
+        else                                                                    \
+                mv -f $(@D)/.tmp_$(@F) $@;                                      \
         fi;
 endif
 
 ifdef CONFIG_FTRACE_MCOUNT_RECORD
-cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
+ifdef BUILD_C_RECORDMCOUNT
+# Due to recursion, we must skip empty.o.
+# The empty.o file is created in the make process in order to determine
+#  the target endianness and word size. It is made before all other C
+#  files, including recordmcount.
+sub_cmd_record_mcount =                                 \
+        if [ $(@) != "scripts/mod/empty.o" ]; then      \
+                $(objtree)/scripts/recordmcount "$(@)"; \
+        fi;
+else
+sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
         "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
         "$(if $(CONFIG_64BIT),64,32)" \
-        "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" \
+        "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
+        "$(LD)" "$(NM)" "$(RM)" "$(MV)" \
         "$(if $(part-of-module),1,0)" "$(@)";
 endif
+cmd_record_mcount =                                             \
+        if [ "$(findstring -pg,$(_c_flags))" = "-pg" ]; then    \
+                $(sub_cmd_record_mcount)                        \
+        fi;
+endif
 
 define rule_cc_o_c
         $(call echo-cmd,checksrc) $(cmd_checksrc)                         \
@@ -248,10 +267,10 @@ $(obj)/%.lst: $(src)/%.c FORCE
 # Compile assembler sources (.S)
 # ---------------------------------------------------------------------------
 
-modkern_aflags := $(AFLAGS_KERNEL)
+modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
 
-$(real-objs-m)      : modkern_aflags := $(AFLAGS_MODULE)
-$(real-objs-m:.o=.s): modkern_aflags := $(AFLAGS_MODULE)
+$(real-objs-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
+$(real-objs-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 
 quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
 cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 6f89fbb5625..686cb0d31c7 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -45,6 +45,8 @@ __clean-files	:= $(extra-y) $(always)                  \
                    $(host-progs)                         \
                    $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
 
+__clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
+
 # as clean-files is given relative to the current directory, this adds
 # a $(obj) prefix, except for absolute paths
 
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 0fcd8383877..f89cb87f5c0 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -3,7 +3,6 @@
 #
 # header-y  - list files to be installed. They are preprocessed
 #             to remove __KERNEL__ section of the file
-# unifdef-y - Same as header-y. Obsolete
 # objhdr-y  - Same as header-y but for generated files
 #
 # ==========================================================================
@@ -20,7 +19,7 @@ include scripts/Kbuild.include
 
 install       := $(INSTALL_HDR_PATH)/$(_dst)
 
-header-y      := $(sort $(header-y) $(unifdef-y))
+header-y      := $(sort $(header-y))
 subdirs       := $(patsubst %/,%,$(filter %/, $(header-y)))
 header-y      := $(filter-out %/, $(header-y))
 
diff --git a/scripts/Makefile.help b/scripts/Makefile.help
new file mode 100644
index 00000000000..d03608f5db0
--- /dev/null
+++ b/scripts/Makefile.help
@@ -0,0 +1,3 @@
+
+checker-help:
+        @echo  '  coccicheck      - Check with Coccinelle.'
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index f3ccdb1b302..1c702ca8aac 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -101,14 +101,6 @@ basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
 modname_flags  = $(if $(filter 1,$(words $(modname))),\
                  -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
 
-#hash values
-ifdef CONFIG_DYNAMIC_DEBUG
-debug_flags = -D"DEBUG_HASH=$(shell ./scripts/basic/hash djb2 $(@D)$(modname))"\
-              -D"DEBUG_HASH2=$(shell ./scripts/basic/hash r5 $(@D)$(modname))"
-else
-debug_flags =
-endif
-
 orig_c_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \
                  $(ccflags-y) $(CFLAGS_$(basetarget).o)
 _c_flags       = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))
@@ -128,7 +120,9 @@ _c_flags += $(if $(patsubst n%,, \
 endif
 
 ifdef CONFIG_SYMBOL_PREFIX
-_cpp_flags += -DSYMBOL_PREFIX=$(patsubst "%",%,$(CONFIG_SYMBOL_PREFIX))
+_sym_flags = -DSYMBOL_PREFIX=$(patsubst "%",%,$(CONFIG_SYMBOL_PREFIX))
+_cpp_flags += $(_sym_flags)
+_a_flags += $(_sym_flags)
 endif
 
 
@@ -152,8 +146,7 @@ endif
 
 c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
                  $(__c_flags) $(modkern_cflags)                           \
-                 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) \
-                  $(debug_flags)
+                 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)
 
 a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
                  $(__a_flags) $(modkern_aflags)
@@ -207,6 +200,29 @@ quiet_cmd_gzip = GZIP    $@
 cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -f -9 > $@) || \
         (rm -f $@ ; false)
 
+# DTC
+# ---------------------------------------------------------------------------
+
+# Generate an assembly file to wrap the output of the device tree compiler
+quiet_cmd_dt_S_dtb= DTB    $@
+cmd_dt_S_dtb=                                           \
+(                                                       \
+        echo '\#include <asm-generic/vmlinux.lds.h>';   \
+        echo '.section .dtb.init.rodata,"a"';           \
+        echo '.balign STRUCT_ALIGNMENT';                \
+        echo '.global __dtb_$(*F)_begin';               \
+        echo '__dtb_$(*F)_begin:';                      \
+        echo '.incbin "$<" ';                           \
+        echo '__dtb_$(*F)_end:';                        \
+        echo '.global __dtb_$(*F)_end';                 \
+        echo '.balign STRUCT_ALIGNMENT';                \
+) > $@
+
+$(obj)/%.dtb.S: $(obj)/%.dtb
+        $(call cmd,dt_S_dtb)
+
+quiet_cmd_dtc = DTC     $@
+cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $<
 
 # Bzip2
 # ---------------------------------------------------------------------------
@@ -245,3 +261,35 @@ quiet_cmd_lzo = LZO     $@
 cmd_lzo = (cat $(filter-out FORCE,$^) | \
         lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
         (rm -f $@ ; false)
+
+# XZ
+# ---------------------------------------------------------------------------
+# Use xzkern to compress the kernel image and xzmisc to compress other things.
+#
+# xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage
+# of the kernel decompressor. A BCJ filter is used if it is available for
+# the target architecture. xzkern also appends uncompressed size of the data
+# using size_append. The .xz format has the size information available at
+# the end of the file too, but it's in more complex format and it's good to
+# avoid changing the part of the boot code that reads the uncompressed size.
+# Note that the bytes added by size_append will make the xz tool think that
+# the file is corrupt. This is expected.
+#
+# xzmisc doesn't use size_append, so it can be used to create normal .xz
+# files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very
+# big dictionary would increase the memory usage too much in the multi-call
+# decompression mode. A BCJ filter isn't used either.
+quiet_cmd_xzkern = XZKERN  $@
+cmd_xzkern = (cat $(filter-out FORCE,$^) | \
+        sh $(srctree)/scripts/xz_wrap.sh && \
+        $(call size_append, $(filter-out FORCE,$^))) > $@ || \
+        (rm -f $@ ; false)
+
+quiet_cmd_xzmisc = XZMISC  $@
+cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
+        xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
+        (rm -f $@ ; false)
+
+# misc stuff
+# ---------------------------------------------------------------------------
+quote:="
diff --git a/scripts/Makefile.modbuiltin b/scripts/Makefile.modbuiltin
index 102a276f6ee..1adb974e695 100644
--- a/scripts/Makefile.modbuiltin
+++ b/scripts/Makefile.modbuiltin
@@ -14,6 +14,11 @@ __modbuiltin:
 
 include scripts/Kbuild.include
 
+ifneq ($(KBUILD_SRC),)
+# Create output directory if not already present
+_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
+endif
+
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
 kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 8f14c81abbc..7d22056582c 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -30,7 +30,7 @@
 #     - See include/linux/module.h for more details
 
 # Step 4 is solely used to allow module versioning in external modules,
-# where the CRC of each module is retrieved from the Module.symers file.
+# where the CRC of each module is retrieved from the Module.symvers file.
 
 # KBUILD_MODPOST_WARN can be set to avoid error out in case of undefined
 # symbols in the final module linking stage
@@ -107,7 +107,7 @@ $(modules:.ko=.mod.c): __modpost ;
 modname = $(notdir $(@:.mod.o=))
 
 quiet_cmd_cc_o_c = CC      $@
-      cmd_cc_o_c = $(CC) $(c_flags) $(CFLAGS_MODULE)    \
+      cmd_cc_o_c = $(CC) $(c_flags) $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE) \
                    -c -o $@ $<
 
 $(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
@@ -117,8 +117,9 @@ targets += $(modules:.ko=.mod.o)
 
 # Step 6), final link of the modules
 quiet_cmd_ld_ko_o = LD [M]  $@
-      cmd_ld_ko_o = $(LD) -r $(LDFLAGS) $(LDFLAGS_MODULE) -o $@         \
-                          $(filter-out FORCE,$^)
+      cmd_ld_ko_o = $(LD) -r $(LDFLAGS)                                 \
+                             $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
+                             -o $@ $(filter-out FORCE,$^)
 
 $(modules): %.ko :%.o %.mod.o FORCE
         $(call if_changed,ld_ko_o)
diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
index 09559951df1..4c324a1f1e0 100644
--- a/scripts/basic/Makefile
+++ b/scripts/basic/Makefile
@@ -9,7 +9,7 @@
 # fixdep:        Used to generate dependency information during build process
 # docproc:       Used in Documentation/DocBook
 
-hostprogs-y     := fixdep docproc hash
+hostprogs-y     := fixdep docproc
 always          := $(hostprogs-y)
 
 # fixdep is needed to compile other host programs
diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index 79ab973fb43..98dec87974d 100644
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -34,12 +34,14 @@
  *
  */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 #include <unistd.h>
 #include <limits.h>
+#include <errno.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 
@@ -54,6 +56,7 @@ typedef void FILEONLY(char * file);
 FILEONLY *internalfunctions;
 FILEONLY *externalfunctions;
 FILEONLY *symbolsonly;
+FILEONLY *findall;
 
 typedef void FILELINE(char * file, char * line);
 FILELINE * singlefunctions;
@@ -65,12 +68,30 @@ FILELINE * docsection;
 #define KERNELDOCPATH "scripts/"
 #define KERNELDOC     "kernel-doc"
 #define DOCBOOK       "-docbook"
+#define LIST          "-list"
 #define FUNCTION      "-function"
 #define NOFUNCTION    "-nofunction"
 #define NODOCSECTIONS "-no-doc-sections"
 
 static char *srctree, *kernsrctree;
 
+static char **all_list = NULL;
+static int all_list_len = 0;
+
+static void consume_symbol(const char *sym)
+{
+        int i;
+
+        for (i = 0; i < all_list_len; i++) {
+                if (!all_list[i])
+                        continue;
+                if (strcmp(sym, all_list[i]))
+                        continue;
+                all_list[i] = NULL;
+                break;
+        }
+}
+
 static void usage (void)
 {
         fprintf(stderr, "Usage: docproc {doc|depend} file\n");
@@ -248,6 +269,7 @@ static void docfunctions(char * filename, char * type)
                 struct symfile * sym = &symfilelist[i];
                 for (j=0; j < sym->symbolcnt; j++) {
                         vec[idx++]     = type;
+                        consume_symbol(sym->symbollist[j].name);
                         vec[idx++] = sym->symbollist[j].name;
                 }
         }
@@ -287,6 +309,11 @@ static void singfunc(char * filename, char * line)
                         vec[idx++] = &line[i];
                 }
         }
+        for (i = 0; i < idx; i++) {
+                if (strcmp(vec[i], FUNCTION))
+                        continue;
+                consume_symbol(vec[i + 1]);
+        }
         vec[idx++] = filename;
         vec[idx] = NULL;
         exec_kernel_doc(vec);
@@ -306,6 +333,13 @@ static void docsect(char *filename, char *line)
                 if (*s == '\n')
                         *s = '\0';
 
+        if (asprintf(&s, "DOC: %s", line) < 0) {
+                perror("asprintf");
+                exit(1);
+        }
+        consume_symbol(s);
+        free(s);
+
         vec[0] = KERNELDOC;
         vec[1] = DOCBOOK;
         vec[2] = FUNCTION;
@@ -315,6 +349,84 @@ static void docsect(char *filename, char *line)
         exec_kernel_doc(vec);
 }
 
+static void find_all_symbols(char *filename)
+{
+        char *vec[4]; /* kerneldoc -list file NULL */
+        pid_t pid;
+        int ret, i, count, start;
+        char real_filename[PATH_MAX + 1];
+        int pipefd[2];
+        char *data, *str;
+        size_t data_len = 0;
+
+        vec[0] = KERNELDOC;
+        vec[1] = LIST;
+        vec[2] = filename;
+        vec[3] = NULL;
+
+        if (pipe(pipefd)) {
+                perror("pipe");
+                exit(1);
+        }
+
+        switch (pid=fork()) {
+                case -1:
+                        perror("fork");
+                        exit(1);
+                case  0:
+                        close(pipefd[0]);
+                        dup2(pipefd[1], 1);
+                        memset(real_filename, 0, sizeof(real_filename));
+                        strncat(real_filename, kernsrctree, PATH_MAX);
+                        strncat(real_filename, "/" KERNELDOCPATH KERNELDOC,
+                                        PATH_MAX - strlen(real_filename));
+                        execvp(real_filename, vec);
+                        fprintf(stderr, "exec ");
+                        perror(real_filename);
+                        exit(1);
+                default:
+                        close(pipefd[1]);
+                        data = malloc(4096);
+                        do {
+                                while ((ret = read(pipefd[0],
+                                                   data + data_len,
+                                                   4096)) > 0) {
+                                        data_len += ret;
+                                        data = realloc(data, data_len + 4096);
+                                }
+                        } while (ret == -EAGAIN);
+                        if (ret != 0) {
+                                perror("read");
+                                exit(1);
+                        }
+                        waitpid(pid, &ret ,0);
+        }
+        if (WIFEXITED(ret))
+                exitstatus |= WEXITSTATUS(ret);
+        else
+                exitstatus = 0xff;
+
+        count = 0;
+        /* poor man's strtok, but with counting */
+        for (i = 0; i < data_len; i++) {
+                if (data[i] == '\n') {
+                        count++;
+                        data[i] = '\0';
+                }
+        }
+        start = all_list_len;
+        all_list_len += count;
+        all_list = realloc(all_list, sizeof(char *) * all_list_len);
+        str = data;
+        for (i = 0; i < data_len && start != all_list_len; i++) {
+                if (data[i] == '\0') {
+                        all_list[start] = str;
+                        str = data + i + 1;
+                        start++;
+                }
+        }
+}
+
 /*
  * Parse file, calling action specific functions for:
  * 1) Lines containing !E
@@ -322,7 +434,8 @@ static void docsect(char *filename, char *line)
  * 3) Lines containing !D
  * 4) Lines containing !F
  * 5) Lines containing !P
- * 6) Default lines - lines not matching the above
+ * 6) Lines containing !C
+ * 7) Default lines - lines not matching the above
  */
 static void parse_file(FILE *infile)
 {
@@ -365,6 +478,12 @@ static void parse_file(FILE *infile)
                                                 s++;
                                         docsection(line + 2, s);
                                         break;
+                                case 'C':
+                                        while (*s && !isspace(*s)) s++;
+                                        *s = '\0';
+                                        if (findall)
+                                                findall(line+2);
+                                        break;
                                 default:
                                         defaultline(line);
                         }
@@ -380,6 +499,7 @@ static void parse_file(FILE *infile)
 int main(int argc, char *argv[])
 {
         FILE * infile;
+        int i;
 
         srctree = getenv("SRCTREE");
         if (!srctree)
@@ -415,6 +535,7 @@ int main(int argc, char *argv[])
                 symbolsonly       = find_export_symbols;
                 singlefunctions   = noaction2;
                 docsection        = noaction2;
+                findall           = find_all_symbols;
                 parse_file(infile);
 
                 /* Rewind to start from beginning of file again */
@@ -425,8 +546,16 @@ int main(int argc, char *argv[])
                 symbolsonly       = printline;
                 singlefunctions   = singfunc;
                 docsection        = docsect;
+                findall           = NULL;
 
                 parse_file(infile);
+
+                for (i = 0; i < all_list_len; i++) {
+                        if (!all_list[i])
+                                continue;
+                        fprintf(stderr, "Warning: didn't use docs for %s\n",
+                                all_list[i]);
+                }
         }
         else if (strcmp("depend", argv[1]) == 0)
         {
@@ -439,6 +568,7 @@ int main(int argc, char *argv[])
                 symbolsonly       = adddep;
                 singlefunctions   = adddep2;
                 docsection        = adddep2;
+                findall           = adddep;
                 parse_file(infile);
                 printf("\n");
         }
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index ea26b23de08..c9a16abacab 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -138,38 +138,36 @@ static void print_cmdline(void)
         printf("cmd_%s := %s\n\n", target, cmdline);
 }
 
-char * str_config  = NULL;
-int    size_config = 0;
-int    len_config  = 0;
+struct item {
+        struct item     *next;
+        unsigned int    len;
+        unsigned int    hash;
+        char            name[0];
+};
 
-/*
- * Grow the configuration string to a desired length.
- * Usually the first growth is plenty.
- */
-static void grow_config(int len)
-{
-        while (len_config + len > size_config) {
-                if (size_config == 0)
-                        size_config = 2048;
-                str_config = realloc(str_config, size_config *= 2);
-                if (str_config == NULL)
-                        { perror("fixdep:malloc"); exit(1); }
-        }
-}
+#define HASHSZ 256
+static struct item *hashtab[HASHSZ];
 
+static unsigned int strhash(const char *str, unsigned int sz)
+{
+        /* fnv32 hash */
+        unsigned int i, hash = 2166136261U;
 
+        for (i = 0; i < sz; i++)
+                hash = (hash ^ str[i]) * 0x01000193;
+        return hash;
+}
 
 /*
  * Lookup a value in the configuration string.
  */
-static int is_defined_config(const char * name, int len)
+static int is_defined_config(const char *name, int len, unsigned int hash)
 {
-        const char * pconfig;
-        const char * plast = str_config + len_config - len;
-        for ( pconfig = str_config + 1; pconfig < plast; pconfig++ ) {
-                if (pconfig[ -1] == '\n'
-                &&  pconfig[len] == '\n'
-                &&  !memcmp(pconfig, name, len))
+        struct item *aux;
+
+        for (aux = hashtab[hash % HASHSZ]; aux; aux = aux->next) {
+                if (aux->hash == hash && aux->len == len &&
+                    memcmp(aux->name, name, len) == 0)
                         return 1;
         }
         return 0;
@@ -178,13 +176,19 @@ static int is_defined_config(const char * name, int len)
 /*
  * Add a new value to the configuration string.
  */
-static void define_config(const char * name, int len)
+static void define_config(const char *name, int len, unsigned int hash)
 {
-        grow_config(len + 1);
+        struct item *aux = malloc(sizeof(*aux) + len);
 
-        memcpy(str_config+len_config, name, len);
-        len_config += len;
-        str_config[len_config++] = '\n';
+        if (!aux) {
+                perror("fixdep:malloc");
+                exit(1);
+        }
+        memcpy(aux->name, name, len);
+        aux->len = len;
+        aux->hash = hash;
+        aux->next = hashtab[hash % HASHSZ];
+        hashtab[hash % HASHSZ] = aux;
 }
 
 /*
@@ -192,40 +196,49 @@ static void define_config(const char * name, int len)
  */
 static void clear_config(void)
 {
-        len_config = 0;
-        define_config("", 0);
+        struct item *aux, *next;
+        unsigned int i;
+
+        for (i = 0; i < HASHSZ; i++) {
+                for (aux = hashtab[i]; aux; aux = next) {
+                        next = aux->next;
+                        free(aux);
+                }
+                hashtab[i] = NULL;
+        }
 }
 
 /*
  * Record the use of a CONFIG_* word.
  */
-static void use_config(char *m, int slen)
+static void use_config(const char *m, int slen)
 {
-        char s[PATH_MAX];
-        char *p;
+        unsigned int hash = strhash(m, slen);
+        int c, i;
 
-        if (is_defined_config(m, slen))
+        if (is_defined_config(m, slen, hash))
             return;
 
-        define_config(m, slen);
+        define_config(m, slen, hash);
 
-        memcpy(s, m, slen); s[slen] = 0;
-
-        for (p = s; p < s + slen; p++) {
-                if (*p == '_')
-                        *p = '/';
+        printf("    $(wildcard include/config/");
+        for (i = 0; i < slen; i++) {
+                c = m[i];
+                if (c == '_')
+                        c = '/';
                 else
-                        *p = tolower((int)*p);
+                        c = tolower(c);
+                putchar(c);
         }
-        printf("    $(wildcard include/config/%s.h) \\\n", s);
+        printf(".h) \\\n");
 }
 
-static void parse_config_file(char *map, size_t len)
+static void parse_config_file(const char *map, size_t len)
 {
-        int *end = (int *) (map + len);
+        const int *end = (const int *) (map + len);
         /* start at +1, so that p can never be < map */
-        int *m   = (int *) map + 1;
-        char *p, *q;
+        const int *m   = (const int *) map + 1;
+        const char *p, *q;
 
         for (; m < end; m++) {
                 if (*m == INT_CONF) { p = (char *) m  ; goto conf; }
@@ -265,7 +278,7 @@ static int strrcmp(char *s, char *sub)
         return memcmp(s + slen - sublen, sub, sublen);
 }
 
-static void do_config_file(char *filename)
+static void do_config_file(const char *filename)
 {
         struct stat st;
         int fd;
@@ -273,7 +286,7 @@ static void do_config_file(char *filename)
 
         fd = open(filename, O_RDONLY);
         if (fd < 0) {
-                fprintf(stderr, "fixdep: ");
+                fprintf(stderr, "fixdep: error opening config file: ");
                 perror(filename);
                 exit(2);
         }
@@ -344,11 +357,15 @@ static void print_deps(void)
 
         fd = open(depfile, O_RDONLY);
         if (fd < 0) {
-                fprintf(stderr, "fixdep: ");
+                fprintf(stderr, "fixdep: error opening depfile: ");
                 perror(depfile);
                 exit(2);
         }
-        fstat(fd, &st);
+        if (fstat(fd, &st) < 0) {
+                fprintf(stderr, "fixdep: error fstat'ing depfile: ");
+                perror(depfile);
+                exit(2);
+        }
         if (st.st_size == 0) {
                 fprintf(stderr,"fixdep: %s is empty\n",depfile);
                 close(fd);
diff --git a/scripts/basic/hash.c b/scripts/basic/hash.c
deleted file mode 100644
index 2ef5d3f666b..00000000000
--- a/scripts/basic/hash.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2008 Red Hat, Inc., Jason Baron <jbaron@redhat.com>
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define DYNAMIC_DEBUG_HASH_BITS 6
-
-static const char *program;
-
-static void usage(void)
-{
-        printf("Usage: %s <djb2|r5> <modname>\n", program);
-        exit(1);
-}
-
-/* djb2 hashing algorithm by Dan Bernstein. From:
- * http://www.cse.yorku.ca/~oz/hash.html
- */
-
-static unsigned int djb2_hash(char *str)
-{
-        unsigned long hash = 5381;
-        int c;
-
-        c = *str;
-        while (c) {
-                hash = ((hash << 5) + hash) + c;
-                c = *++str;
-        }
-        return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1));
-}
-
-static unsigned int r5_hash(char *str)
-{
-        unsigned long hash = 0;
-        int c;
-
-        c = *str;
-        while (c) {
-                hash = (hash + (c << 4) + (c >> 4)) * 11;
-                c = *++str;
-        }
-        return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1));
-}
-
-int main(int argc, char *argv[])
-{
-        program = argv[0];
-
-        if (argc != 3)
-                usage();
-        if (!strcmp(argv[1], "djb2"))
-                printf("%d\n", djb2_hash(argv[2]));
-        else if (!strcmp(argv[1], "r5"))
-                printf("%d\n", r5_hash(argv[2]));
-        else
-                usage();
-        exit(0);
-}
-
diff --git a/scripts/binoffset.c b/scripts/binoffset.c
deleted file mode 100644
index 1a2e39b8e3e..00000000000
--- a/scripts/binoffset.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/***************************************************************************
- * binoffset.c
- * (C) 2002 Randy Dunlap <rdunlap@xenotime.net>
-
-#   This program is free software; you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
-#   the Free Software Foundation; either version 2 of the License, or
-#   (at your option) any later version.
-#
-#   This program is distributed in the hope that it will be useful,
-#   but WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License
-#   along with this program; if not, write to the Free Software
-#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-# binoffset.c:
-# - searches a (binary) file for a specified (binary) pattern
-# - returns the offset of the located pattern or ~0 if not found
-# - exits with exit status 0 normally or non-0 if pattern is not found
-#   or any other error occurs.
-
-****************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#define VERSION         "0.1"
-#define BUF_SIZE        (16 * 1024)
-#define PAT_SIZE        100
-
-char            *progname;
-char            *inputname;
-int             inputfd;
-unsigned int    bix;                    /* buf index */
-unsigned char   patterns [PAT_SIZE] = {0}; /* byte-sized pattern array */
-int             pat_len;                /* actual number of pattern bytes */
-unsigned char   *madr;                  /* mmap address */
-size_t          filesize;
-int             num_matches = 0;
-off_t           firstloc = 0;
-
-void usage (void)
-{
-        fprintf (stderr, "%s ver. %s\n", progname, VERSION);
-        fprintf (stderr, "usage:  %s filename pattern_bytes\n",
-                        progname);
-        fprintf (stderr, "        [prints location of pattern_bytes in file]\n");
-        exit (1);
-}
-
-void get_pattern (int pat_count, char *pats [])
-{
-        int ix, err, tmp;
-
-#ifdef DEBUG
-        fprintf (stderr,"get_pattern: count = %d\n", pat_count);
-        for (ix = 0; ix < pat_count; ix++)
-                fprintf (stderr, "  pat # %d:  [%s]\n", ix, pats[ix]);
-#endif
-
-        for (ix = 0; ix < pat_count; ix++) {
-                tmp = 0;
-                err = sscanf (pats[ix], "%5i", &tmp);
-                if (err != 1 || tmp > 0xff) {
-                        fprintf (stderr, "pattern or value error in pattern # %d [%s]\n",
-                                        ix, pats[ix]);
-                        usage ();
-                }
-                patterns [ix] = tmp;
-        }
-        pat_len = pat_count;
-}
-
-void search_pattern (void)
-{
-        for (bix = 0; bix < filesize; bix++) {
-                if (madr[bix] == patterns[0]) {
-                        if (memcmp (&madr[bix], patterns, pat_len) == 0) {
-                                if (num_matches == 0)
-                                        firstloc = bix;
-                                num_matches++;
-                        }
-                }
-        }
-}
-
-#ifdef NOTDEF
-size_t get_filesize (int fd)
-{
-        off_t end_off = lseek (fd, 0, SEEK_END);
-        lseek (fd, 0, SEEK_SET);
-        return (size_t) end_off;
-}
-#endif
-
-size_t get_filesize (int fd)
-{
-        int err;
-        struct stat stat;
-
-        err = fstat (fd, &stat);
-        fprintf (stderr, "filesize: %ld\n", err < 0 ? (long)err : stat.st_size);
-        if (err < 0)
-                return err;
-        return (size_t) stat.st_size;
-}
-
-int main (int argc, char *argv [])
-{
-        progname = argv[0];
-
-        if (argc < 3)
-                usage ();
-
-        get_pattern (argc - 2, argv + 2);
-
-        inputname = argv[1];
-
-        inputfd = open (inputname, O_RDONLY);
-        if (inputfd == -1) {
-                fprintf (stderr, "%s: cannot open '%s'\n",
-                                progname, inputname);
-                exit (3);
-        }
-
-        filesize = get_filesize (inputfd);
-
-        madr = mmap (0, filesize, PROT_READ, MAP_PRIVATE, inputfd, 0);
-        if (madr == MAP_FAILED) {
-                fprintf (stderr, "mmap error = %d\n", errno);
-                close (inputfd);
-                exit (4);
-        }
-
-        search_pattern ();
-
-        if (munmap (madr, filesize))
-                fprintf (stderr, "munmap error = %d\n", errno);
-
-        if (close (inputfd))
-                fprintf (stderr, "%s: error %d closing '%s'\n",
-                                progname, errno, inputname);
-
-        fprintf (stderr, "number of pattern matches = %d\n", num_matches);
-        if (num_matches == 0)
-                firstloc = ~0;
-        printf ("%ld\n", firstloc);
-        fprintf (stderr, "%ld\n", firstloc);
-
-        exit (num_matches ? 0 : 2);
-}
-
-/* end binoffset.c */
diff --git a/scripts/checkkconfigsymbols.sh b/scripts/checkkconfigsymbols.sh
index 46be3c5a62b..2ca49bb31ef 100755
--- a/scripts/checkkconfigsymbols.sh
+++ b/scripts/checkkconfigsymbols.sh
@@ -14,7 +14,7 @@ find $paths -name '*.[chS]' -o -name 'Makefile' -o -name 'Makefile*[^~]'| while
 do
         # Output the bare Kconfig variable and the filename; the _MODULE part at
         # the end is not removed here (would need perl an not-hungry regexp for that).
-        sed -ne 's!^.*\<\(UML_\)\?CONFIG_\([0-9A-Z_]\+\).*!\2 '$i'!p' < $i
+        sed -ne 's!^.*\<\(UML_\)\?CONFIG_\([0-9A-Za-z_]\+\).*!\2 '$i'!p' < $i
 done | \
 # Smart "sort|uniq" implemented in awk and tuned to collect the names of all
 # files which use a given symbol
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3257d3d9676..4c0383da1c9 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2,7 +2,7 @@
 # (c) 2001, Dave Jones. (the file handling bit)
 # (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit)
 # (c) 2007,2008, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite)
-# (c) 2008,2009, Andy Whitcroft <apw@canonical.com>
+# (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
 # Licensed under the terms of the GNU GPL License version 2
 
 use strict;
@@ -10,7 +10,7 @@ use strict;
 my $P = $0;
 $P =~ s@.*/@@g;
 
-my $V = '0.30';
+my $V = '0.31';
 
 use Getopt::Long qw(:config no_auto_abbrev);
 
@@ -103,6 +103,8 @@ for my $key (keys %debug) {
         die "$@" if ($@);
 }
 
+my $rpt_cleaners = 0;
+
 if ($terse) {
         $emacs = 1;
         $quiet++;
@@ -145,11 +147,28 @@ our $Sparse	= qr{
                         __kprobes|
                         __ref
                 }x;
+
+# Notes to $Attribute:
+# We need \b after 'init' otherwise 'initconst' will cause a false positive in a check
 our $Attribute  = qr{
                         const|
+                        __percpu|
+                        __nocast|
+                        __safe|
+                        __bitwise__|
+                        __packed__|
+                        __packed2__|
+                        __naked|
+                        __maybe_unused|
+                        __always_unused|
+                        __noreturn|
+                        __used|
+                        __cold|
+                        __noclone|
+                        __deprecated|
                         __read_mostly|
                         __kprobes|
-                        __(?:mem|cpu|dev|)(?:initdata|init)|
+                        __(?:mem|cpu|dev|)(?:initdata|initconst|init\b)|
                         ____cacheline_aligned|
                         ____cacheline_aligned_in_smp|
                         ____cacheline_internodealigned_in_smp|
@@ -189,6 +208,14 @@ our $typeTypedefs = qr{(?x:
         atomic_t
 )};
 
+our $logFunctions = qr{(?x:
+        printk|
+        pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)|
+        (dev|netdev|netif)_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
+        WARN|
+        panic
+)};
+
 our @typeList = (
         qr{void},
         qr{(?:unsigned\s+)?char},
@@ -213,6 +240,12 @@ our @modifierList = (
         qr{fastcall},
 );
 
+our $allowed_asm_includes = qr{(?x:
+        irq|
+        memory
+)};
+# memory.h: ARM has a custom one
+
 sub build_types {
         my $mods = "(?x:  \n" . join("|\n  ", @modifierList) . "\n)";
         my $all = "(?x:  \n" . join("|\n  ", @typeList) . "\n)";
@@ -541,6 +574,9 @@ sub ctx_statement_block {
                         $type = ($level != 0)? '{' : '';
 
                         if ($level == 0) {
+                                if (substr($blk, $off + 1, 1) eq ';') {
+                                        $off++;
+                                }
                                 last;
                         }
                 }
@@ -655,15 +691,15 @@ sub ctx_block_get {
                 $blk .= $rawlines[$line];
 
                 # Handle nested #if/#else.
-                if ($rawlines[$line] =~ /^.\s*#\s*(?:ifndef|ifdef|if)\s/) {
+                if ($lines[$line] =~ /^.\s*#\s*(?:ifndef|ifdef|if)\s/) {
                         push(@stack, $level);
-                } elsif ($rawlines[$line] =~ /^.\s*#\s*(?:else|elif)\b/) {
+                } elsif ($lines[$line] =~ /^.\s*#\s*(?:else|elif)\b/) {
                         $level = $stack[$#stack - 1];
-                } elsif ($rawlines[$line] =~ /^.\s*#\s*endif\b/) {
+                } elsif ($lines[$line] =~ /^.\s*#\s*endif\b/) {
                         $level = pop(@stack);
                 }
 
-                foreach my $c (split(//, $rawlines[$line])) {
+                foreach my $c (split(//, $lines[$line])) {
                         ##print "C<$c>L<$level><$open$close>O<$off>\n";
                         if ($off > 0) {
                                 $off--;
@@ -823,7 +859,12 @@ sub annotate_values {
                                 $av_preprocessor = 0;
                         }
 
-                } elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\()/) {
+                } elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') {
+                        print "CAST($1)\n" if ($dbg_values > 1);
+                        push(@av_paren_type, $type);
+                        $type = 'C';
+
+                } elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\(|\s*$)/) {
                         print "DECLARE($1)\n" if ($dbg_values > 1);
                         $type = 'T';
 
@@ -1288,7 +1329,11 @@ sub process {
                 $here = "#$realline: " if ($file);
 
                 # extract the filename as it passes
-                if ($line=~/^\+\+\+\s+(\S+)/) {
+                if ($line =~ /^diff --git.*?(\S+)$/) {
+                        $realfile = $1;
+                        $realfile =~ s@^([^/]*)/@@;
+
+                } elsif ($line =~ /^\+\+\+\s+(\S+)/) {
                         $realfile = $1;
                         $realfile =~ s@^([^/]*)/@@;
 
@@ -1312,6 +1357,14 @@ sub process {
 
                 $cnt_lines++ if ($realcnt != 0);
 
+# Check for incorrect file permissions
+                if ($line =~ /^new (file )?mode.*[7531]\d{0,2}$/) {
+                        my $permhere = $here . "FILE: $realfile\n";
+                        if ($realfile =~ /(Makefile|Kconfig|\.c|\.h|\.S|\.tmpl)$/) {
+                                ERROR("do not set execute permissions for source files\n" . $permhere);
+                        }
+                }
+
 #check the patch for a signoff:
                 if ($line =~ /^\s*signed-off-by:/i) {
                         # This is a signoff, if ugly, so do not double report.
@@ -1369,6 +1422,38 @@ sub process {
                 } elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
                         my $herevet = "$here\n" . cat_vet($rawline) . "\n";
                         ERROR("trailing whitespace\n" . $herevet);
+                        $rpt_cleaners = 1;
+                }
+
+# check for Kconfig help text having a real description
+# Only applies when adding the entry originally, after that we do not have
+# sufficient context to determine whether it is indeed long enough.
+                if ($realfile =~ /Kconfig/ &&
+                    $line =~ /\+\s*(?:---)?help(?:---)?$/) {
+                        my $length = 0;
+                        my $cnt = $realcnt;
+                        my $ln = $linenr + 1;
+                        my $f;
+                        my $is_end = 0;
+                        while ($cnt > 0 && defined $lines[$ln - 1]) {
+                                $f = $lines[$ln - 1];
+                                $cnt-- if ($lines[$ln - 1] !~ /^-/);
+                                $is_end = $lines[$ln - 1] =~ /^\+/;
+                                $ln++;
+
+                                next if ($f =~ /^-/);
+                                $f =~ s/^.//;
+                                $f =~ s/#.*//;
+                                $f =~ s/^\s+//;
+                                next if ($f =~ /^$/);
+                                if ($f =~ /^\s*config\s/) {
+                                        $is_end = 1;
+                                        last;
+                                }
+                                $length++;
+                        }
+                        WARN("please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_end && $length < 4);
+                        #print "is_end<$is_end> length<$length>\n";
                 }
 
 # check we are in a valid source file if not then ignore this hunk
@@ -1377,12 +1462,18 @@ sub process {
 #80 column limit
                 if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
                     $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
-                    $line !~ /^\+\s*printk\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
+                    !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ ||
+                    $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
                     $length > 80)
                 {
                         WARN("line over 80 characters\n" . $herecurr);
                 }
 
+# check for spaces before a quoted newline
+                if ($rawline =~ /^.*\".*\s\\n/) {
+                        WARN("unnecessary whitespace before a quoted newline\n" . $herecurr);
+                }
+
 # check for adding lines without a newline.
                 if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) {
                         WARN("adding a line without newline at end of file\n" . $herecurr);
@@ -1409,6 +1500,23 @@ sub process {
                     $rawline =~ /^\+\s*        \s*/) {
                         my $herevet = "$here\n" . cat_vet($rawline) . "\n";
                         ERROR("code indent should use tabs where possible\n" . $herevet);
+                        $rpt_cleaners = 1;
+                }
+
+# check for space before tabs.
+                if ($rawline =~ /^\+/ && $rawline =~ / \t/) {
+                        my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+                        WARN("please, no space before tabs\n" . $herevet);
+                }
+
+# check for spaces at the beginning of a line.
+# Exceptions:
+#  1) within comments
+#  2) indented preprocessor commands
+#  3) hanging labels
+                if ($rawline =~ /^\+ / && $line !~ /\+ *(?:$;|#|$Ident:)/)  {
+                        my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+                        WARN("please, no spaces at the start of a line\n" . $herevet);
                 }
 
 # check we are in a valid C source file if not then ignore this hunk
@@ -1544,7 +1652,7 @@ sub process {
 
                         if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
                                 ERROR("that open brace { should be on the previous line\n" .
-                                        "$here\n$ctx\n$lines[$ctx_ln - 1]\n");
+                                        "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
                         }
                         if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ &&
                             $ctx =~ /\)\s*\;\s*$/ &&
@@ -1553,7 +1661,7 @@ sub process {
                                 my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]);
                                 if ($nindent > $indent) {
                                         WARN("trailing semicolon indicates no statements, indent implies otherwise\n" .
-                                                "$here\n$ctx\n$lines[$ctx_ln - 1]\n");
+                                                "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
                                 }
                         }
                 }
@@ -1714,8 +1822,17 @@ sub process {
                     !defined $suppress_export{$realline_next} &&
                     ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/ ||
                      $lines[$realline_next - 1] =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
+                        # Handle definitions which produce identifiers with
+                        # a prefix:
+                        #   XXX(foo);
+                        #   EXPORT_SYMBOL(something_foo);
                         my $name = $1;
-                        if ($stat !~ /(?:
+                        if ($stat =~ /^.([A-Z_]+)\s*\(\s*($Ident)/ &&
+                            $name =~ /^${Ident}_$2/) {
+#print "FOO C name<$name>\n";
+                                $suppress_export{$realline_next} = 1;
+
+                        } elsif ($stat !~ /(?:
                                 \n.}\s*$|
                                 ^.DEFINE_$Ident\(\Q$name\E\)|
                                 ^.DECLARE_$Ident\(\Q$name\E\)|
@@ -1741,9 +1858,9 @@ sub process {
                         WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr);
                 }
 
-# check for external initialisers.
+# check for global initialisers.
                 if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) {
-                        ERROR("do not initialise externals to 0 or NULL\n" .
+                        ERROR("do not initialise globals to 0 or NULL\n" .
                                 $herecurr);
                 }
 # check for static initialisers.
@@ -1752,6 +1869,23 @@ sub process {
                                 $herecurr);
                 }
 
+# check for static const char * arrays.
+                if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) {
+                        WARN("static const char * array should probably be static const char * const\n" .
+                                $herecurr);
+               }
+
+# check for static char foo[] = "bar" declarations.
+                if ($line =~ /\bstatic\s+char\s+(\w+)\s*\[\s*\]\s*=\s*"/) {
+                        WARN("static char array declaration should probably be static const char\n" .
+                                $herecurr);
+               }
+
+# check for declarations of struct pci_device_id
+                if ($line =~ /\bstruct\s+pci_device_id\s+\w+\s*\[\s*\]\s*\=\s*\{/) {
+                        WARN("Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id\n" . $herecurr);
+                }
+
 # check for new typedefs, only function parameters and sparse annotations
 # make sense.
                 if ($line =~ /\btypedef\s/ &&
@@ -1845,6 +1979,11 @@ sub process {
                         ERROR("open brace '{' following $1 go on the same line\n" . $hereprev);
                 }
 
+# missing space after union, struct or enum definition
+                if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?(?:\s+$Ident)?[=\{]/) {
+                    WARN("missing space after $1 definition\n" . $herecurr);
+                }
+
 # check for spacing round square brackets; allowed:
 #  1. with a type on the left -- int [] a;
 #  2. at the beginning of a line for slice initialisers -- [0...10] = 5,
@@ -2122,21 +2261,29 @@ sub process {
                         my $value = $2;
 
                         # Flatten any parentheses
-                        $value =~ s/\)\(/\) \(/g;
+                        $value =~ s/\(/ \(/g;
+                        $value =~ s/\)/\) /g;
                         while ($value =~ s/\[[^\{\}]*\]/1/ ||
                                $value !~ /(?:$Ident|-?$Constant)\s*
                                              $Compare\s*
                                              (?:$Ident|-?$Constant)/x &&
                                $value =~ s/\([^\(\)]*\)/1/) {
                         }
-
-                        if ($value =~ /^(?:$Ident|-?$Constant)$/) {
+#print "value<$value>\n";
+                        if ($value =~ /^\s*(?:$Ident|-?$Constant)\s*$/) {
                                 ERROR("return is not a function, parentheses are not required\n" . $herecurr);
 
                         } elsif ($spacing !~ /\s+/) {
                                 ERROR("space required before the open parenthesis '('\n" . $herecurr);
                         }
                 }
+# Return of what appears to be an errno should normally be -'ve
+                if ($line =~ /^.\s*return\s*(E[A-Z]*)\s*;/) {
+                        my $name = $1;
+                        if ($name ne 'EOF' && $name ne 'ERROR') {
+                                WARN("return of an errno should typically be -ve (return -$1)\n" . $herecurr);
+                        }
+                }
 
 # Need a space before open parenthesis after if, while etc
                 if ($line=~/\b(if|while|for|switch)\(/) {
@@ -2182,8 +2329,10 @@ sub process {
                                 # Find out how long the conditional actually is.
                                 my @newlines = ($c =~ /\n/gs);
                                 my $cond_lines = 1 + $#newlines;
+                                my $stat_real = '';
 
-                                my $stat_real = raw_line($linenr, $cond_lines);
+                                $stat_real = raw_line($linenr, $cond_lines)
+                                                        . "\n" if ($cond_lines);
                                 if (defined($stat_real) && $cond_lines > 1) {
                                         $stat_real = "[...]\n$stat_real";
                                 }
@@ -2269,7 +2418,7 @@ sub process {
                         my $checkfile = "include/linux/$file";
                         if (-f "$root/$checkfile" &&
                             $realfile ne $checkfile &&
-                            $1 ne 'irq')
+                            $1 !~ /$allowed_asm_includes/)
                         {
                                 if ($realfile =~ m{^arch/}) {
                                         CHK("Consider using #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
@@ -2348,11 +2497,13 @@ sub process {
                                 DECLARE_PER_CPU|
                                 DEFINE_PER_CPU|
                                 __typeof__\(|
+                                union|
+                                struct|
                                 \.$Ident\s*=\s*|
                                 ^\"|\"$
                         }x;
-                        #print "REST<$rest> dstat<$dstat>\n";
-                        if ($rest ne '') {
+                        #print "REST<$rest> dstat<$dstat> ctx<$ctx>\n";
+                        if ($rest ne '' && $rest ne ',') {
                                 if ($rest !~ /while\s*\(/ &&
                                     $dstat !~ /$exceptions/)
                                 {
@@ -2529,6 +2680,21 @@ sub process {
                         }
                 }
 
+# prefer usleep_range over udelay
+                if ($line =~ /\budelay\s*\(\s*(\w+)\s*\)/) {
+                        # ignore udelay's < 10, however
+                        if (! (($1 =~ /(\d+)/) && ($1 < 10)) ) {
+                                CHK("usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . $line);
+                        }
+                }
+
+# warn about unexpectedly long msleep's
+                if ($line =~ /\bmsleep\s*\((\d+)\);/) {
+                        if ($1 < 20) {
+                                WARN("msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . $line);
+                        }
+                }
+
 # warn about #ifdefs in C files
 #               if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
 #                       print "#ifdef in C files should be avoided\n";
@@ -2560,6 +2726,11 @@ sub process {
                         CHK("architecture specific defines should be avoided\n" .  $herecurr);
                 }
 
+# Check that the storage class is at the beginning of a declaration
+                if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) {
+                        WARN("storage class should be at the beginning of the declaration\n" . $herecurr)
+                }
+
 # check the location of the inline attribute, that it is between
 # storage class and type.
                 if ($line =~ /\b$Type\s+$Inline\b/ ||
@@ -2572,6 +2743,16 @@ sub process {
                         WARN("plain inline is preferred over $1\n" . $herecurr);
                 }
 
+# Check for __attribute__ packed, prefer __packed
+                if ($line =~ /\b__attribute__\s*\(\s*\(.*\bpacked\b/) {
+                        WARN("__packed is preferred over __attribute__((packed))\n" . $herecurr);
+                }
+
+# check for sizeof(&)
+                if ($line =~ /\bsizeof\s*\(\s*\&/) {
+                        WARN("sizeof(& should be avoided\n" . $herecurr);
+                }
+
 # check for new externs in .c files.
                 if ($realfile =~ /\.c$/ && defined $stat &&
                     $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
@@ -2609,22 +2790,24 @@ sub process {
                 }
 
 # check for pointless casting of kmalloc return
-                if ($line =~ /\*\s*\)\s*k[czm]alloc\b/) {
+                if ($line =~ /\*\s*\)\s*[kv][czm]alloc(_node){0,1}\b/) {
                         WARN("unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
                 }
 
+# check for multiple semicolons
+                if ($line =~ /;\s*;\s*$/) {
+                    WARN("Statements terminations use 1 semicolon\n" . $herecurr);
+                }
+
 # check for gcc specific __FUNCTION__
                 if ($line =~ /__FUNCTION__/) {
                         WARN("__func__ should be used instead of gcc specific __FUNCTION__\n"  . $herecurr);
                 }
 
-# check for semaphores used as mutexes
-                if ($line =~ /^.\s*(DECLARE_MUTEX|init_MUTEX)\s*\(/) {
-                        WARN("mutexes are preferred for single holder semaphores\n" . $herecurr);
-                }
-# check for semaphores used as mutexes
-                if ($line =~ /^.\s*init_MUTEX_LOCKED\s*\(/) {
+# check for semaphores initialized locked
+                if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) {
                         WARN("consider using a completion\n" . $herecurr);
+
                 }
 # recommend strict_strto* over simple_strto*
                 if ($line =~ /\bsimple_(strto.*?)\s*\(/) {
@@ -2634,9 +2817,46 @@ sub process {
                 if ($line =~ /^.\s*__initcall\s*\(/) {
                         WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
                 }
-# check for struct file_operations, ensure they are const.
+# check for various ops structs, ensure they are const.
+                my $struct_ops = qr{acpi_dock_ops|
+                                address_space_operations|
+                                backlight_ops|
+                                block_device_operations|
+                                dentry_operations|
+                                dev_pm_ops|
+                                dma_map_ops|
+                                extent_io_ops|
+                                file_lock_operations|
+                                file_operations|
+                                hv_ops|
+                                ide_dma_ops|
+                                intel_dvo_dev_ops|
+                                item_operations|
+                                iwl_ops|
+                                kgdb_arch|
+                                kgdb_io|
+                                kset_uevent_ops|
+                                lock_manager_operations|
+                                microcode_ops|
+                                mtrr_ops|
+                                neigh_ops|
+                                nlmsvc_binding|
+                                pci_raw_ops|
+                                pipe_buf_operations|
+                                platform_hibernation_ops|
+                                platform_suspend_ops|
+                                proto_ops|
+                                rpc_pipe_ops|
+                                seq_operations|
+                                snd_ac97_build_ops|
+                                soc_pcmcia_socket_ops|
+                                stacktrace_ops|
+                                sysfs_ops|
+                                tty_operations|
+                                usb_mon_operations|
+                                wd_ops}x;
                 if ($line !~ /\bconst\b/ &&
-                    $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+                    $line =~ /\bstruct\s+($struct_ops)\b/) {
                         WARN("struct $1 should normally be const\n" .
                                 $herecurr);
                 }
@@ -2672,6 +2892,21 @@ sub process {
                                 WARN("use of in_atomic() is incorrect outside core kernel code\n" . $herecurr);
                         }
                 }
+
+# check for lockdep_set_novalidate_class
+                if ($line =~ /^.\s*lockdep_set_novalidate_class\s*\(/ ||
+                    $line =~ /__lockdep_no_validate__\s*\)/ ) {
+                        if ($realfile !~ m@^kernel/lockdep@ &&
+                            $realfile !~ m@^include/linux/lockdep@ &&
+                            $realfile !~ m@^drivers/base/core@) {
+                                ERROR("lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
+                        }
+                }
+
+                if ($line =~ /debugfs_create_file.*S_IWUGO/ ||
+                    $line =~ /DEVICE_ATTR.*S_IWUGO/ ) {
+                        WARN("Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr);
+                }
         }
 
         # If we have no input at all, then there is nothing to report on
@@ -2708,6 +2943,15 @@ sub process {
                 print "\n" if ($quiet == 0);
         }
 
+        if ($quiet == 0) {
+                # If there were whitespace errors which cleanpatch can fix
+                # then suggest that.
+                if ($rpt_cleaners) {
+                        print "NOTE: whitespace errors detected, you may wish to use scripts/cleanpatch or\n";
+                        print "      scripts/cleanfile\n\n";
+                }
+        }
+
         if ($clean == 1 && $quiet == 0) {
                 print "$vname has no obvious style problems and is ready for submission.\n"
         }
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 66ad375612f..3ab316e5231 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -6,7 +6,7 @@
 # and listed below so they are ignored.
 #
 # Usage:
-# syscallchk gcc gcc-options
+# checksyscalls.sh gcc gcc-options
 #
 
 ignore_list() {
@@ -183,7 +183,6 @@ cat << EOF
 #define __IGNORE_ustat          /* statfs */
 #define __IGNORE_utime          /* utimes */
 #define __IGNORE_vfork          /* clone */
-#define __IGNORE_wait4          /* waitid */
 
 /* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
 #ifdef __NR_sync_file_range2
@@ -205,5 +204,5 @@ sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\
 \#endif/p' $1
 }
 
-(ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \
+(ignore_list && syscall_list $(dirname $0)/../arch/x86/include/asm/unistd_32.h) | \
 $* -E -x c - > /dev/null
diff --git a/scripts/coccicheck b/scripts/coccicheck
new file mode 100755
index 00000000000..1bb1a1bd2da
--- /dev/null
+++ b/scripts/coccicheck
@@ -0,0 +1,106 @@
+#!/bin/sh
+
+SPATCH="`which ${SPATCH:=spatch}`"
+
+if [ "$C" = "1" -o "$C" = "2" ]; then
+    ONLINE=1
+
+# This requires Coccinelle >= 0.2.3
+#    FLAGS="-ignore_unknown_options -very_quiet"
+#    OPTIONS=$*
+
+# Workaround for Coccinelle < 0.2.3
+    FLAGS="-I $srctree/include -very_quiet"
+    shift $(( $# - 1 ))
+    OPTIONS=$1
+else
+    ONLINE=0
+    FLAGS="-very_quiet"
+    OPTIONS="-dir $srctree"
+fi
+
+if [ ! -x "$SPATCH" ]; then
+    echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
+    exit 1
+fi
+
+if [ "$MODE" = "" ] ; then
+    if [ "$ONLINE" = "0" ] ; then
+        echo 'You have not explicitly specified the mode to use. Using default "chain" mode.'
+        echo 'All available modes will be tried (in that order): patch, report, context, org'
+        echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
+    fi
+    MODE="chain"
+elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
+    FLAGS="$FLAGS -no_show_diff"
+fi
+
+if [ "$ONLINE" = "0" ] ; then
+    echo ''
+    echo 'Please check for false positives in the output before submitting a patch.'
+    echo 'When using "patch" mode, carefully review the patch before submitting it.'
+    echo ''
+fi
+
+coccinelle () {
+    COCCI="$1"
+
+    OPT=`grep "Option" $COCCI | cut -d':' -f2`
+
+#   The option '-parse_cocci' can be used to syntactically check the SmPL files.
+#
+#    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
+
+    if [ "$ONLINE" = "0" ] ; then
+
+        FILE=`echo $COCCI | sed "s|$srctree/||"`
+
+        echo "Processing `basename $COCCI`"
+        echo "with option(s) \"$OPT\""
+        echo ''
+        echo 'Message example to submit a patch:'
+
+        sed -ne 's|^///||p' $COCCI
+
+        if [ "$MODE" = "patch" ] ; then
+            echo ' The semantic patch that makes this change is available'
+        elif [ "$MODE" = "report" ] ; then
+            echo ' The semantic patch that makes this report is available'
+        elif [ "$MODE" = "context" ] ; then
+            echo ' The semantic patch that spots this code is available'
+        elif [ "$MODE" = "org" ] ; then
+            echo ' The semantic patch that makes this Org report is available'
+        else
+            echo ' The semantic patch that makes this output is available'
+        fi
+        echo " in $FILE."
+        echo ''
+        echo ' More information about semantic patching is available at'
+        echo ' http://coccinelle.lip6.fr/'
+        echo ''
+
+        if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
+            echo 'Semantic patch information:'
+            sed -ne 's|^//#||p' $COCCI
+            echo ''
+        fi
+    fi
+
+    if [ "$MODE" = "chain" ] ; then
+        $SPATCH -D patch   $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+        $SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
+        $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+        $SPATCH -D org     $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
+    else
+        $SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+    fi
+
+}
+
+if [ "$COCCI" = "" ] ; then
+    for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
+        coccinelle $f
+    done
+else
+    coccinelle $COCCI
+fi
diff --git a/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci b/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci
new file mode 100644
index 00000000000..7d4771d449c
--- /dev/null
+++ b/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci
@@ -0,0 +1,67 @@
+///
+/// Casting (void *) value returned by kmalloc is useless
+/// as mentioned in Documentation/CodingStyle, Chap 14.
+///
+// Confidence: High
+// Copyright: 2009,2010 Nicolas Palix, DIKU.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Options: -no_includes -include_headers
+//
+// Keywords: kmalloc, kzalloc, kcalloc
+// Version min: < 2.6.12 kmalloc
+// Version min: < 2.6.12 kcalloc
+// Version min:   2.6.14 kzalloc
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@depends on context@
+type T;
+@@
+
+* (T *)
+  \(kmalloc\|kzalloc\|kcalloc\)(...)
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@depends on patch@
+type T;
+@@
+
+- (T *)
+  \(kmalloc\|kzalloc\|kcalloc\)(...)
+
+//----------------------------------------------------------
+//  For org and report mode
+//----------------------------------------------------------
+
+@r depends on org || report@
+type T;
+position p;
+@@
+
+ (T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...)
+
+@script:python depends on org@
+p << r.p;
+t << r.T;
+@@
+
+coccilib.org.print_safe_todo(p[0], t)
+
+@script:python depends on report@
+p << r.p;
+t << r.T;
+@@
+
+msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t)
+coccilib.report.print_report(p[0], msg)
diff --git a/scripts/coccinelle/api/alloc/kzalloc-simple.cocci b/scripts/coccinelle/api/alloc/kzalloc-simple.cocci
new file mode 100644
index 00000000000..046b9b16f8f
--- /dev/null
+++ b/scripts/coccinelle/api/alloc/kzalloc-simple.cocci
@@ -0,0 +1,86 @@
+///
+/// Use kzalloc rather than kmalloc followed by memset with 0
+///
+/// This considers some simple cases that are common and easy to validate
+/// Note in particular that there are no ...s in the rule, so all of the
+/// matched code has to be contiguous
+///
+// Confidence: High
+// Copyright: (C) 2009-2010 Julia Lawall, Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2009-2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/rules/kzalloc.html
+// Options: -no_includes -include_headers
+//
+// Keywords: kmalloc, kzalloc
+// Version min: < 2.6.12 kmalloc
+// Version min:   2.6.14 kzalloc
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@depends on context@
+type T, T2;
+expression x;
+expression E1,E2;
+statement S;
+@@
+
+* x = (T)kmalloc(E1,E2);
+  if ((x==NULL) || ...) S
+* memset((T2)x,0,E1);
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@depends on patch@
+type T, T2;
+expression x;
+expression E1,E2;
+statement S;
+@@
+
+- x = (T)kmalloc(E1,E2);
++ x = kzalloc(E1,E2);
+  if ((x==NULL) || ...) S
+- memset((T2)x,0,E1);
+
+//----------------------------------------------------------
+//  For org mode
+//----------------------------------------------------------
+
+@r depends on org || report@
+type T, T2;
+expression x;
+expression E1,E2;
+statement S;
+position p;
+@@
+
+ x = (T)kmalloc@p(E1,E2);
+ if ((x==NULL) || ...) S
+ memset((T2)x,0,E1);
+
+@script:python depends on org@
+p << r.p;
+x << r.x;
+@@
+
+msg="%s" % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+coccilib.org.print_todo(p[0], msg_safe)
+
+@script:python depends on report@
+p << r.p;
+x << r.x;
+@@
+
+msg="WARNING: kzalloc should be used for %s, instead of kmalloc/memset" % (x)
+coccilib.report.print_report(p[0], msg)
diff --git a/scripts/coccinelle/api/err_cast.cocci b/scripts/coccinelle/api/err_cast.cocci
new file mode 100644
index 00000000000..2ce115000af
--- /dev/null
+++ b/scripts/coccinelle/api/err_cast.cocci
@@ -0,0 +1,56 @@
+///
+/// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
+///
+// Confidence: High
+// Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2009, 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Options:
+//
+// Keywords: ERR_PTR, PTR_ERR, ERR_CAST
+// Version min: 2.6.25
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+
+@ depends on context && !patch && !org && !report@
+expression x;
+@@
+
+* ERR_PTR(PTR_ERR(x))
+
+@ depends on !context && patch && !org && !report @
+expression x;
+@@
+
+- ERR_PTR(PTR_ERR(x))
++ ERR_CAST(x)
+
+@r depends on !context && !patch && (org || report)@
+expression x;
+position p;
+@@
+
+ ERR_PTR@p(PTR_ERR(x))
+
+@script:python depends on org@
+p << r.p;
+x << r.x;
+@@
+
+msg="WARNING ERR_CAST can be used with %s" % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+coccilib.org.print_todo(p[0], msg_safe)
+
+@script:python depends on report@
+p << r.p;
+x << r.x;
+@@
+
+msg="WARNING: ERR_CAST can be used with %s" % (x)
+coccilib.report.print_report(p[0], msg)
diff --git a/scripts/coccinelle/api/kstrdup.cocci b/scripts/coccinelle/api/kstrdup.cocci
new file mode 100644
index 00000000000..e0805ad08d3
--- /dev/null
+++ b/scripts/coccinelle/api/kstrdup.cocci
@@ -0,0 +1,39 @@
+/// Use kstrdup rather than duplicating its implementation
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+expression from,to;
+expression flag,E1,E2;
+statement S;
+@@
+
+-  to = kmalloc(strlen(from) + 1,flag);
++  to = kstrdup(from, flag);
+   ... when != \(from = E1 \| to = E1 \)
+   if (to==NULL || ...) S
+   ... when != \(from = E2 \| to = E2 \)
+-  strcpy(to, from);
+
+@@
+expression x,from,to;
+expression flag,E1,E2,E3;
+statement S;
+@@
+
+-   x = strlen(from) + 1;
+    ... when != \( x = E1 \| from = E1 \)
+-   to = \(kmalloc\|kzalloc\)(x,flag);
++   to = kstrdup(from, flag);
+    ... when != \(x = E2 \| from = E2 \| to = E2 \)
+    if (to==NULL || ...) S
+    ... when != \(x = E3 \| from = E3 \| to = E3 \)
+-   memcpy(to, from, x);
diff --git a/scripts/coccinelle/api/memdup.cocci b/scripts/coccinelle/api/memdup.cocci
new file mode 100644
index 00000000000..b5d722077dc
--- /dev/null
+++ b/scripts/coccinelle/api/memdup.cocci
@@ -0,0 +1,40 @@
+/// Use kmemdup rather than duplicating its implementation
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@r1@
+expression from,to;
+expression flag;
+position p;
+@@
+
+   to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);
+
+@r2@
+expression x,from,to;
+expression flag,E1;
+position p;
+@@
+
+    x = strlen(from) + 1;
+    ... when != \( x = E1 \| from = E1 \)
+    to = \(kmalloc@p\|kzalloc@p\)(x,flag);
+
+@@
+expression from,to,size,flag;
+position p != {r1.p,r2.p};
+statement S;
+@@
+
+-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
++  to = kmemdup(from,size,flag);
+   if (to==NULL || ...) S
+-  memcpy(to, from, size);
diff --git a/scripts/coccinelle/api/memdup_user.cocci b/scripts/coccinelle/api/memdup_user.cocci
new file mode 100644
index 00000000000..72ce012e878
--- /dev/null
+++ b/scripts/coccinelle/api/memdup_user.cocci
@@ -0,0 +1,35 @@
+/// Use kmemdup_user rather than duplicating its implementation
+/// This is a little bit restricted to reduce false positives
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+expression from,to,size,flag;
+position p;
+identifier l1,l2;
+@@
+
+-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
++  to = memdup_user(from,size);
+   if (
+-      to==NULL
++      IS_ERR(to)
+                 || ...) {
+   <+... when != goto l1;
+-  -ENOMEM
++  PTR_ERR(to)
+   ...+>
+   }
+-  if (copy_from_user(to, from, size) != 0) {
+-    <+... when != goto l2;
+-    -EFAULT
+-    ...+>
+-  }
diff --git a/scripts/coccinelle/api/resource_size.cocci b/scripts/coccinelle/api/resource_size.cocci
new file mode 100644
index 00000000000..1935a58b39d
--- /dev/null
+++ b/scripts/coccinelle/api/resource_size.cocci
@@ -0,0 +1,93 @@
+///
+/// Use resource_size function on resource object
+/// instead of explicit computation.
+///
+//  Confidence: High
+//  Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.  GPLv2.
+//  Copyright: (C) 2009, 2010 Julia Lawall, DIKU.  GPLv2.
+//  Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+//  URL: http://coccinelle.lip6.fr/
+//  Options:
+//
+//  Keywords: resource_size
+//  Version min: 2.6.27 resource_size
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@r_context depends on context && !patch && !org@
+struct resource *res;
+@@
+
+* (res->end - res->start) + 1
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@r_patch depends on !context && patch && !org@
+struct resource *res;
+@@
+
+- (res->end - res->start) + 1
++ resource_size(res)
+
+//----------------------------------------------------------
+//  For org mode
+//----------------------------------------------------------
+
+
+@r_org depends on !context && !patch && (org || report)@
+struct resource *res;
+position p;
+@@
+
+ (res->end@p - res->start) + 1
+
+@rbad_org depends on !context && !patch && (org || report)@
+struct resource *res;
+position p != r_org.p;
+@@
+
+ res->end@p - res->start
+
+@script:python depends on org@
+p << r_org.p;
+x << r_org.res;
+@@
+
+msg="ERROR with %s" % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+coccilib.org.print_todo(p[0], msg_safe)
+
+@script:python depends on report@
+p << r_org.p;
+x << r_org.res;
+@@
+
+msg="ERROR: Missing resource_size with %s" % (x)
+coccilib.report.print_report(p[0], msg)
+
+@script:python depends on org@
+p << rbad_org.p;
+x << rbad_org.res;
+@@
+
+msg="WARNING with %s" % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+coccilib.org.print_todo(p[0], msg_safe)
+
+@script:python depends on report@
+p << rbad_org.p;
+x << rbad_org.res;
+@@
+
+msg="WARNING: Suspicious code. resource_size is maybe missing with %s" % (x)
+coccilib.report.print_report(p[0], msg)
diff --git a/scripts/coccinelle/free/kfree.cocci b/scripts/coccinelle/free/kfree.cocci
new file mode 100644
index 00000000000..f9f79d9245e
--- /dev/null
+++ b/scripts/coccinelle/free/kfree.cocci
@@ -0,0 +1,117 @@
+/// Find a use after free.
+//# Values of variables may imply that some
+//# execution paths are not possible, resulting in false positives.
+//# Another source of false positives are macros such as
+//# SCTP_DBG_OBJCNT_DEC that do not actually evaluate their argument
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+
+@free@
+expression E;
+position p1;
+@@
+
+kfree@p1(E)
+
+@print expression@
+constant char *c;
+expression free.E,E2;
+type T;
+position p;
+identifier f;
+@@
+
+(
+ f(...,c,...,(T)E@p,...)
+|
+ E@p == E2
+|
+ E@p != E2
+|
+ !E@p
+|
+ E@p || ...
+)
+
+@sz@
+expression free.E;
+position p;
+@@
+
+ sizeof(<+...E@p...+>)
+
+@loop exists@
+expression E;
+identifier l;
+position ok;
+@@
+
+while (1) { ...
+  kfree@ok(E)
+  ... when != break;
+      when != goto l;
+      when forall
+}
+
+@r exists@
+expression free.E, subE<=free.E, E2;
+expression E1;
+iterator iter;
+statement S;
+position free.p1!=loop.ok,p2!={print.p,sz.p};
+@@
+
+kfree@p1(E,...)
+...
+(
+ iter(...,subE,...) S // no use
+|
+ list_remove_head(E1,subE,...)
+|
+ subE = E2
+|
+ subE++
+|
+ ++subE
+|
+ --subE
+|
+ subE--
+|
+ &subE
+|
+ BUG(...)
+|
+ BUG_ON(...)
+|
+ return_VALUE(...)
+|
+ return_ACPI_STATUS(...)
+|
+ E@p2 // bad use
+)
+
+@script:python depends on org@
+p1 << free.p1;
+p2 << r.p2;
+@@
+
+cocci.print_main("kfree",p1)
+cocci.print_secs("ref",p2)
+
+@script:python depends on report@
+p1 << free.p1;
+p2 << r.p2;
+@@
+
+msg = "reference preceded by free on line %s" % (p1[0].line)
+coccilib.report.print_report(p2[0],msg)
diff --git a/scripts/coccinelle/iterators/fen.cocci b/scripts/coccinelle/iterators/fen.cocci
new file mode 100644
index 00000000000..77bc108c3f5
--- /dev/null
+++ b/scripts/coccinelle/iterators/fen.cocci
@@ -0,0 +1,64 @@
+/// These iterators only exit normally when the loop cursor is NULL, so there
+/// is no point to call of_node_put on the final value.
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+iterator name for_each_node_by_name;
+expression np,E;
+identifier l;
+@@
+
+for_each_node_by_name(np,...) {
+  ... when != break;
+      when != goto l;
+}
+... when != np = E
+- of_node_put(np);
+
+@@
+iterator name for_each_node_by_type;
+expression np,E;
+identifier l;
+@@
+
+for_each_node_by_type(np,...) {
+  ... when != break;
+      when != goto l;
+}
+... when != np = E
+- of_node_put(np);
+
+@@
+iterator name for_each_compatible_node;
+expression np,E;
+identifier l;
+@@
+
+for_each_compatible_node(np,...) {
+  ... when != break;
+      when != goto l;
+}
+... when != np = E
+- of_node_put(np);
+
+@@
+iterator name for_each_matching_node;
+expression np,E;
+identifier l;
+@@
+
+for_each_matching_node(np,...) {
+  ... when != break;
+      when != goto l;
+}
+... when != np = E
+- of_node_put(np);
diff --git a/scripts/coccinelle/iterators/itnull.cocci b/scripts/coccinelle/iterators/itnull.cocci
new file mode 100644
index 00000000000..baa4297a4ed
--- /dev/null
+++ b/scripts/coccinelle/iterators/itnull.cocci
@@ -0,0 +1,58 @@
+/// Many iterators have the property that the first argument is always bound
+/// to a real list element, never NULL.  False positives arise for some
+/// iterators that do not have this property, or in cases when the loop
+/// cursor is reassigned.  The latter should only happen when the matched
+/// code is on the way to a loop exit (break, goto, or return).
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+iterator I;
+expression x,E,E1,E2;
+statement S,S1,S2;
+@@
+
+I(x,...) { <...
+(
+- if (x == NULL && ...) S
+|
+- if (x != NULL || ...)
+  S
+|
+- (x == NULL) ||
+  E
+|
+- (x != NULL) &&
+  E
+|
+- (x == NULL && ...) ? E1 :
+  E2
+|
+- (x != NULL || ...) ?
+  E1
+- : E2
+|
+- if (x == NULL && ...) S1 else
+  S2
+|
+- if (x != NULL || ...)
+  S1
+- else S2
+|
++ BAD(
+  x == NULL
++ )
+|
++ BAD(
+  x != NULL
++ )
+)
+  ...> }
\ No newline at end of file
diff --git a/scripts/coccinelle/iterators/list_entry_update.cocci b/scripts/coccinelle/iterators/list_entry_update.cocci
new file mode 100644
index 00000000000..b2967475679
--- /dev/null
+++ b/scripts/coccinelle/iterators/list_entry_update.cocci
@@ -0,0 +1,62 @@
+/// list_for_each_entry uses its first argument to get from one element of
+/// the list to the next, so it is usually not a good idea to reassign it.
+/// The first rule finds such a reassignment and the second rule checks
+/// that there is a path from the reassignment back to the top of the loop.
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual context
+virtual org
+virtual report
+
+@r@
+iterator name list_for_each_entry;
+expression x,E;
+position p1,p2;
+@@
+
+list_for_each_entry@p1(x,...) { <... x =@p2 E ...> }
+
+@depends on context && !org && !report@
+expression x,E;
+position r.p1,r.p2;
+statement S;
+@@
+
+*x =@p2 E
+...
+list_for_each_entry@p1(x,...) S
+
+// ------------------------------------------------------------------------
+
+@back depends on (org || report) && !context exists@
+expression x,E;
+position r.p1,r.p2;
+statement S;
+@@
+
+x =@p2 E
+...
+list_for_each_entry@p1(x,...) S
+
+@script:python depends on back && org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+cocci.print_main("iterator",p1)
+cocci.print_secs("update",p2)
+
+@script:python depends on back && report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+msg = "iterator with update on line %s" % (p2[0].line)
+coccilib.report.print_report(p1[0],msg)
diff --git a/scripts/coccinelle/locks/call_kern.cocci b/scripts/coccinelle/locks/call_kern.cocci
new file mode 100644
index 00000000000..00af5344a68
--- /dev/null
+++ b/scripts/coccinelle/locks/call_kern.cocci
@@ -0,0 +1,74 @@
+/// Find functions that refer to GFP_KERNEL but are called with locks held.
+/// The proposed change of converting the GFP_KERNEL is not necessarily the
+/// correct one.  It may be desired to unlock the lock, or to not call the
+/// function under the lock in the first place.
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@gfp exists@
+identifier fn;
+position p;
+@@
+
+fn(...) {
+ ... when != read_unlock_irq(...)
+     when != write_unlock_irq(...)
+     when != read_unlock_irqrestore(...)
+     when != write_unlock_irqrestore(...)
+     when != spin_unlock(...)
+     when != spin_unlock_irq(...)
+     when != spin_unlock_irqrestore(...)
+     when != local_irq_enable(...)
+     when any
+ GFP_KERNEL@p
+ ... when any
+}
+
+@locked@
+identifier gfp.fn;
+@@
+
+(
+read_lock_irq
+|
+write_lock_irq
+|
+read_lock_irqsave
+|
+write_lock_irqsave
+|
+spin_lock
+|
+spin_trylock
+|
+spin_lock_irq
+|
+spin_lock_irqsave
+|
+local_irq_disable
+)
+ (...)
+...  when != read_unlock_irq(...)
+     when != write_unlock_irq(...)
+     when != read_unlock_irqrestore(...)
+     when != write_unlock_irqrestore(...)
+     when != spin_unlock(...)
+     when != spin_unlock_irq(...)
+     when != spin_unlock_irqrestore(...)
+     when != local_irq_enable(...)
+fn(...)
+
+@depends on locked@
+position gfp.p;
+@@
+
+- GFP_KERNEL@p
++ GFP_ATOMIC
diff --git a/scripts/coccinelle/locks/double_lock.cocci b/scripts/coccinelle/locks/double_lock.cocci
new file mode 100644
index 00000000000..63b24e682fa
--- /dev/null
+++ b/scripts/coccinelle/locks/double_lock.cocci
@@ -0,0 +1,92 @@
+/// Find double locks.  False positives may occur when some paths cannot
+/// occur at execution, due to the values of variables, and when there is
+/// an intervening function call that releases the lock.
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+
+@locked@
+position p1;
+expression E1;
+position p;
+@@
+
+(
+mutex_lock@p1
+|
+mutex_trylock@p1
+|
+spin_lock@p1
+|
+spin_trylock@p1
+|
+read_lock@p1
+|
+read_trylock@p1
+|
+write_lock@p1
+|
+write_trylock@p1
+) (E1@p,...);
+
+@balanced@
+position p1 != locked.p1;
+position locked.p;
+identifier lock,unlock;
+expression x <= locked.E1;
+expression E,locked.E1;
+expression E2;
+@@
+
+if (E) {
+ <+... when != E1
+ lock(E1@p,...)
+ ...+>
+}
+... when != E1
+    when != \(x = E2\|&x\)
+    when forall
+if (E) {
+ <+... when != E1
+ unlock@p1(E1,...)
+ ...+>
+}
+
+@r depends on !balanced exists@
+expression x <= locked.E1;
+expression locked.E1;
+expression E2;
+identifier lock;
+position locked.p,p1,p2;
+@@
+
+lock@p1 (E1@p,...);
+... when != E1
+    when != \(x = E2\|&x\)
+lock@p2 (E1,...);
+
+@script:python depends on org@
+p1 << r.p1;
+p2 << r.p2;
+lock << r.lock;
+@@
+
+cocci.print_main(lock,p1)
+cocci.print_secs("second lock",p2)
+
+@script:python depends on report@
+p1 << r.p1;
+p2 << r.p2;
+lock << r.lock;
+@@
+
+msg = "second lock on line %s" % (p2[0].line)
+coccilib.report.print_report(p1[0],msg)
diff --git a/scripts/coccinelle/locks/flags.cocci b/scripts/coccinelle/locks/flags.cocci
new file mode 100644
index 00000000000..b4344d83809
--- /dev/null
+++ b/scripts/coccinelle/locks/flags.cocci
@@ -0,0 +1,80 @@
+/// Find nested lock+irqsave functions that use the same flags variables
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual context
+virtual org
+virtual report
+
+@r@
+expression lock1,lock2,flags;
+position p1,p2;
+@@
+
+(
+spin_lock_irqsave@p1(lock1,flags)
+|
+read_lock_irqsave@p1(lock1,flags)
+|
+write_lock_irqsave@p1(lock1,flags)
+)
+... when != flags
+(
+spin_lock_irqsave(lock1,flags)
+|
+read_lock_irqsave(lock1,flags)
+|
+write_lock_irqsave(lock1,flags)
+|
+spin_lock_irqsave@p2(lock2,flags)
+|
+read_lock_irqsave@p2(lock2,flags)
+|
+write_lock_irqsave@p2(lock2,flags)
+)
+
+@d@
+expression f <= r.flags;
+expression lock1,lock2,flags;
+position r.p1, r.p2;
+@@
+
+(
+*spin_lock_irqsave@p1(lock1,flags)
+|
+*read_lock_irqsave@p1(lock1,flags)
+|
+*write_lock_irqsave@p1(lock1,flags)
+)
+... when != f
+(
+*spin_lock_irqsave@p2(lock2,flags)
+|
+*read_lock_irqsave@p2(lock2,flags)
+|
+*write_lock_irqsave@p2(lock2,flags)
+)
+
+// ----------------------------------------------------------------------
+
+@script:python depends on d && org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+cocci.print_main("original lock",p1)
+cocci.print_secs("nested lock+irqsave that reuses flags",p2)
+
+@script:python depends on d && report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+msg="ERROR: nested lock+irqsave that reuses flags from %s." % (p1[0].line)
+coccilib.report.print_report(p2[0], msg)
diff --git a/scripts/coccinelle/locks/mini_lock.cocci b/scripts/coccinelle/locks/mini_lock.cocci
new file mode 100644
index 00000000000..7641a292543
--- /dev/null
+++ b/scripts/coccinelle/locks/mini_lock.cocci
@@ -0,0 +1,95 @@
+/// Find missing unlocks.  This semantic match considers the specific case
+/// where the unlock is missing from an if branch, and there is a lock
+/// before the if and an unlock after the if.  False positives are due to
+/// cases where the if branch represents a case where the function is
+/// supposed to exit with the lock held, or where there is some preceding
+/// function call that releases the lock.
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+
+@prelocked@
+position p1,p;
+expression E1;
+@@
+
+(
+mutex_lock@p1
+|
+mutex_trylock@p1
+|
+spin_lock@p1
+|
+spin_trylock@p1
+|
+read_lock@p1
+|
+read_trylock@p1
+|
+write_lock@p1
+|
+write_trylock@p1
+|
+read_lock_irq@p1
+|
+write_lock_irq@p1
+|
+read_lock_irqsave@p1
+|
+write_lock_irqsave@p1
+|
+spin_lock_irq@p1
+|
+spin_lock_irqsave@p1
+) (E1@p,...);
+
+@looped@
+position r;
+@@
+
+for(...;...;...) { <+... return@r ...; ...+> }
+
+@err@
+expression E1;
+position prelocked.p;
+position up != prelocked.p1;
+position r!=looped.r;
+identifier lock,unlock;
+@@
+
+lock(E1@p,...);
+<+... when != E1
+if (...) {
+  ... when != E1
+  return@r ...;
+}
+...+>
+unlock@up(E1,...);
+
+@script:python depends on org@
+p << prelocked.p1;
+lock << err.lock;
+unlock << err.unlock;
+p2 << err.r;
+@@
+
+cocci.print_main(lock,p)
+cocci.print_secs(unlock,p2)
+
+@script:python depends on report@
+p << prelocked.p1;
+lock << err.lock;
+unlock << err.unlock;
+p2 << err.r;
+@@
+
+msg = "preceding lock on line %s" % (p[0].line)
+coccilib.report.print_report(p2[0],msg)
diff --git a/scripts/coccinelle/misc/doubleinit.cocci b/scripts/coccinelle/misc/doubleinit.cocci
new file mode 100644
index 00000000000..156b20adb35
--- /dev/null
+++ b/scripts/coccinelle/misc/doubleinit.cocci
@@ -0,0 +1,53 @@
+/// Find duplicate field initializations.  This has a high rate of false
+/// positives due to #ifdefs, which Coccinelle is not aware of in a structure
+/// initialization.
+///
+// Confidence: Low
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments: requires at least Coccinelle 0.2.4, lex or parse error otherwise
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+
+@r@
+identifier I, s, fld;
+position p0,p;
+expression E;
+@@
+
+struct I s =@p0 { ..., .fld@p = E, ...};
+
+@s@
+identifier I, s, r.fld;
+position r.p0,p;
+expression E;
+@@
+
+struct I s =@p0 { ..., .fld@p = E, ...};
+
+@script:python depends on org@
+p0 << r.p0;
+fld << r.fld;
+ps << s.p;
+pr << r.p;
+@@
+
+if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)):
+  cocci.print_main(fld,p0)
+  cocci.print_secs("s",ps)
+  cocci.print_secs("r",pr)
+
+@script:python depends on report@
+p0 << r.p0;
+fld << r.fld;
+ps << s.p;
+pr << r.p;
+@@
+
+if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)):
+  msg = "%s: first occurrence %s, second occurrence %s" % (fld,ps[0].line,pr[0].line)
+  coccilib.report.print_report(p0[0],msg)
diff --git a/scripts/coccinelle/misc/ifcol.cocci b/scripts/coccinelle/misc/ifcol.cocci
new file mode 100644
index 00000000000..b7ed91dbeb9
--- /dev/null
+++ b/scripts/coccinelle/misc/ifcol.cocci
@@ -0,0 +1,48 @@
+/// Find confusingly indented code in or after an if.  An if branch should
+/// be indented.  The code following an if should not be indented.
+/// Sometimes, code after an if that is indented is actually intended to be
+/// part of the if branch.
+///
+/// This has a high rate of false positives, because Coccinelle's column
+/// calculation does not distinguish between spaces and tabs, so code that
+/// is not visually aligned may be considered to be in the same column.
+///
+// Confidence: Low
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+
+@r disable braces4@
+position p1,p2;
+statement S1,S2;
+@@
+
+(
+if (...) { ... }
+|
+if (...) S1@p1 S2@p2
+)
+
+@script:python depends on org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+if (p1[0].column == p2[0].column):
+  cocci.print_main("branch",p1)
+  cocci.print_secs("after",p2)
+
+@script:python depends on report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+if (p1[0].column == p2[0].column):
+  msg = "code aligned with following code on line %s" % (p2[0].line)
+  coccilib.report.print_report(p1[0],msg)
diff --git a/scripts/coccinelle/null/deref_null.cocci b/scripts/coccinelle/null/deref_null.cocci
new file mode 100644
index 00000000000..cdac6cfcce9
--- /dev/null
+++ b/scripts/coccinelle/null/deref_null.cocci
@@ -0,0 +1,282 @@
+///
+/// A variable is dereference under a NULL test.
+/// Even though it is know to be NULL.
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments: -I ... -all_includes can give more complete results
+// Options:
+
+virtual context
+virtual org
+virtual report
+
+@ifm@
+expression *E;
+statement S1,S2;
+position p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...) S1 else S2
+
+// The following two rules are separate, because both can match a single
+// expression in different ways
+@pr1 expression@
+expression *ifm.E;
+identifier f;
+position p1;
+@@
+
+ (E != NULL && ...) ? <+...E->f@p1...+> : ...
+
+@pr2 expression@
+expression *ifm.E;
+identifier f;
+position p2;
+@@
+
+(
+  (E != NULL) && ... && <+...E->f@p2...+>
+|
+  (E == NULL) || ... || <+...E->f@p2...+>
+|
+ sizeof(<+...E->f@p2...+>)
+)
+
+// For org and report modes
+
+@r depends on !context && (org || report) exists@
+expression subE <= ifm.E;
+expression *ifm.E;
+expression E1,E2;
+identifier f;
+statement S1,S2,S3,S4;
+iterator iter;
+position p!={pr1.p1,pr2.p2};
+position ifm.p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...)
+{
+  ... when != if (...) S1 else S2
+(
+ iter(subE,...) S4 // no use
+|
+ list_remove_head(E2,subE,...)
+|
+ subE = E1
+|
+ for(subE = E1;...;...) S4
+|
+ subE++
+|
+ ++subE
+|
+ --subE
+|
+ subE--
+|
+ &subE
+|
+ E->f@p // bad use
+)
+  ... when any
+  return ...;
+}
+else S3
+
+@script:python depends on !context && !org && report@
+p << r.p;
+p1 << ifm.p1;
+x << ifm.E;
+@@
+
+msg="ERROR: %s is NULL but dereferenced." % (x)
+coccilib.report.print_report(p[0], msg)
+cocci.include_match(False)
+
+@script:python depends on !context && org && !report@
+p << r.p;
+p1 << ifm.p1;
+x << ifm.E;
+@@
+
+msg="ERROR: %s is NULL but dereferenced." % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+cocci.print_main(msg_safe,p)
+cocci.include_match(False)
+
+@s depends on !context && (org || report) exists@
+expression subE <= ifm.E;
+expression *ifm.E;
+expression E1,E2;
+identifier f;
+statement S1,S2,S3,S4;
+iterator iter;
+position p!={pr1.p1,pr2.p2};
+position ifm.p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...)
+{
+  ... when != if (...) S1 else S2
+(
+ iter(subE,...) S4 // no use
+|
+ list_remove_head(E2,subE,...)
+|
+ subE = E1
+|
+ for(subE = E1;...;...) S4
+|
+ subE++
+|
+ ++subE
+|
+ --subE
+|
+ subE--
+|
+ &subE
+|
+ E->f@p // bad use
+)
+  ... when any
+}
+else S3
+
+@script:python depends on !context && !org && report@
+p << s.p;
+p1 << ifm.p1;
+x << ifm.E;
+@@
+
+msg="ERROR: %s is NULL but dereferenced." % (x)
+coccilib.report.print_report(p[0], msg)
+
+@script:python depends on !context && org && !report@
+p << s.p;
+p1 << ifm.p1;
+x << ifm.E;
+@@
+
+msg="ERROR: %s is NULL but dereferenced." % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+cocci.print_main(msg_safe,p)
+
+// For context mode
+
+@depends on context && !org && !report exists@
+expression subE <= ifm.E;
+expression *ifm.E;
+expression E1,E2;
+identifier f;
+statement S1,S2,S3,S4;
+iterator iter;
+position p!={pr1.p1,pr2.p2};
+position ifm.p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...)
+{
+  ... when != if (...) S1 else S2
+(
+ iter(subE,...) S4 // no use
+|
+ list_remove_head(E2,subE,...)
+|
+ subE = E1
+|
+ for(subE = E1;...;...) S4
+|
+ subE++
+|
+ ++subE
+|
+ --subE
+|
+ subE--
+|
+ &subE
+|
+* E->f@p // bad use
+)
+  ... when any
+  return ...;
+}
+else S3
+
+// The following three rules are duplicates of ifm, pr1 and pr2 respectively.
+// It is need because the previous rule as already made a "change".
+
+@ifm1@
+expression *E;
+statement S1,S2;
+position p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...) S1 else S2
+
+@pr11 expression@
+expression *ifm1.E;
+identifier f;
+position p1;
+@@
+
+ (E != NULL && ...) ? <+...E->f@p1...+> : ...
+
+@pr12 expression@
+expression *ifm1.E;
+identifier f;
+position p2;
+@@
+
+(
+  (E != NULL) && ... && <+...E->f@p2...+>
+|
+  (E == NULL) || ... || <+...E->f@p2...+>
+|
+ sizeof(<+...E->f@p2...+>)
+)
+
+@depends on context && !org && !report exists@
+expression subE <= ifm1.E;
+expression *ifm1.E;
+expression E1,E2;
+identifier f;
+statement S1,S2,S3,S4;
+iterator iter;
+position p!={pr11.p1,pr12.p2};
+position ifm1.p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...)
+{
+  ... when != if (...) S1 else S2
+(
+ iter(subE,...) S4 // no use
+|
+ list_remove_head(E2,subE,...)
+|
+ subE = E1
+|
+ for(subE = E1;...;...) S4
+|
+ subE++
+|
+ ++subE
+|
+ --subE
+|
+ subE--
+|
+ &subE
+|
+* E->f@p // bad use
+)
+  ... when any
+}
+else S3
diff --git a/scripts/coccinelle/null/eno.cocci b/scripts/coccinelle/null/eno.cocci
new file mode 100644
index 00000000000..4c9c52b9c41
--- /dev/null
+++ b/scripts/coccinelle/null/eno.cocci
@@ -0,0 +1,20 @@
+/// The various basic memory allocation functions don't return ERR_PTR
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+expression x,E;
+@@
+
+x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
+... when != x = E
+- IS_ERR(x)
++ !x
diff --git a/scripts/coccinelle/null/kmerr.cocci b/scripts/coccinelle/null/kmerr.cocci
new file mode 100644
index 00000000000..949bf656c64
--- /dev/null
+++ b/scripts/coccinelle/null/kmerr.cocci
@@ -0,0 +1,72 @@
+/// This semantic patch looks for kmalloc etc that are not followed by a
+/// NULL check.  It only gives a report in the case where there is some
+/// error handling code later in the function, which may be helpful
+/// in determining what the error handling code for the call to kmalloc etc
+/// should be.
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual context
+virtual org
+virtual report
+
+@withtest@
+expression x;
+position p;
+identifier f,fld;
+@@
+
+x@p = f(...);
+... when != x->fld
+\(x == NULL \| x != NULL\)
+
+@fixed depends on context && !org && !report@
+expression x,x1;
+position p1 != withtest.p;
+statement S;
+position any withtest.p;
+identifier f;
+@@
+
+*x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
+...
+*x1@p = f(...);
+if (!x1) S
+
+// ------------------------------------------------------------------------
+
+@rfixed depends on (org || report) && !context exists@
+expression x,x1;
+position p1 != withtest.p;
+position p2;
+statement S;
+position any withtest.p;
+identifier f;
+@@
+
+x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
+...
+x1@p = f@p2(...);
+if (!x1) S
+
+@script:python depends on org@
+p1 << rfixed.p1;
+p2 << rfixed.p2;
+@@
+
+cocci.print_main("alloc call",p1)
+cocci.print_secs("possible model",p2)
+
+@script:python depends on report@
+p1 << rfixed.p1;
+p2 << rfixed.p2;
+@@
+
+msg = "alloc with no test, possible model on line %s" % (p2[0].line)
+coccilib.report.print_report(p1[0],msg)
diff --git a/scripts/coccinelle/tests/doublebitand.cocci b/scripts/coccinelle/tests/doublebitand.cocci
new file mode 100644
index 00000000000..9ba73d05a77
--- /dev/null
+++ b/scripts/coccinelle/tests/doublebitand.cocci
@@ -0,0 +1,54 @@
+/// Find bit operations that include the same argument more than once
+//# One source of false positives is when the argument performs a side
+//# effect.  Another source of false positives is when a neutral value
+//# such as 0 for | is used to indicate no information, to maintain the
+//# same structure as other similar expressions
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual context
+virtual org
+virtual report
+
+@r expression@
+expression E;
+position p;
+@@
+
+(
+*        E@p
+         & ... & E
+|
+*        E@p
+         | ... | E
+|
+*        E@p
+         & ... & !E
+|
+*        E@p
+         | ... | !E
+|
+*        !E@p
+         & ... & E
+|
+*        !E@p
+         | ... | E
+)
+
+@script:python depends on org@
+p << r.p;
+@@
+
+cocci.print_main("duplicated argument to & or |",p)
+
+@script:python depends on report@
+p << r.p;
+@@
+
+coccilib.report.print_report(p[0],"duplicated argument to & or |")
diff --git a/scripts/coccinelle/tests/doubletest.cocci b/scripts/coccinelle/tests/doubletest.cocci
new file mode 100644
index 00000000000..13a2c0e8a4b
--- /dev/null
+++ b/scripts/coccinelle/tests/doubletest.cocci
@@ -0,0 +1,40 @@
+/// Find &&/|| operations that include the same argument more than once
+//# A common source of false positives is when the argument performs a side
+//# effect.
+///
+// Confidence: Moderate
+// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual context
+virtual org
+virtual report
+
+@r expression@
+expression E;
+position p;
+@@
+
+(
+* E@p
+  || ... || E
+|
+* E@p
+  && ... && E
+)
+
+@script:python depends on org@
+p << r.p;
+@@
+
+cocci.print_main("duplicated argument to && or ||",p)
+
+@script:python depends on report@
+p << r.p;
+@@
+
+coccilib.report.print_report(p[0],"duplicated argument to && or ||")
diff --git a/scripts/config b/scripts/config
index 608d7fdb13e..a7c7c4b8e95 100755
--- a/scripts/config
+++ b/scripts/config
@@ -10,8 +10,10 @@ commands:
         --enable|-e option   Enable option
         --disable|-d option  Disable option
         --module|-m option   Turn option into a module
-        --set-str option value
-                             Set option to "value"
+        --set-str option string
+                             Set option to "string"
+        --set-val option value
+                             Set option to value
         --state|-s option    Print state of option (n,y,m,undef)
 
         --enable-after|-E beforeopt option
@@ -86,7 +88,7 @@ while [ "$1" != "" ] ; do
                 B=$ARG
                 shift 2
                 ;;
-        --*)
+        -*)
                 checkarg "$1"
                 shift
                 ;;
@@ -109,6 +111,11 @@ while [ "$1" != "" ] ; do
                 shift
                 ;;
 
+        --set-val)
+                set_var "CONFIG_$ARG" "CONFIG_$ARG=$1"
+                shift
+                ;;
+
         --state|-s)
                 if grep -q "# CONFIG_$ARG is not set" $FN ; then
                         echo n
diff --git a/scripts/decodecode b/scripts/decodecode
index 8b30cc36744..18ba881c341 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -40,7 +40,7 @@ echo $code
 code=`echo $code | sed -e 's/.*Code: //'`
 
 width=`expr index "$code" ' '`
-width=$[($width-1)/2]
+width=$((($width-1)/2))
 case $width in
 1) type=byte ;;
 2) type=2byte ;;
@@ -48,10 +48,10 @@ case $width in
 esac
 
 disas() {
-        ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null
+        ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1
 
-        if [ "$ARCH" == "arm" ]; then
-                if [ $width == 2 ]; then
+        if [ "$ARCH" = "arm" ]; then
+                if [ $width -eq 2 ]; then
                         OBJDUMPFLAGS="-M force-thumb"
                 fi
 
@@ -59,7 +59,7 @@ disas() {
         fi
 
         ${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \
-                grep -v "/tmp\|Disassembly\|\.text\|^$" &> $1.dis
+                grep -v "/tmp\|Disassembly\|\.text\|^$" > $1.dis 2>&1
 }
 
 marker=`expr index "$code" "\<"`
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 01cdb36fc58..04a31c17639 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -4,7 +4,7 @@ hostprogs-y	:= dtc
 always          := $(hostprogs-y)
 
 dtc-objs        := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
-                   srcpos.o checks.o
+                   srcpos.o checks.o util.o
 dtc-objs        += dtc-lexer.lex.o dtc-parser.tab.o
 
 # Source files need to get at the userspace version of libfdt_env.h to compile
@@ -19,6 +19,7 @@ HOSTCFLAGS_fstree.o := $(HOSTCFLAGS_DTC)
 HOSTCFLAGS_livetree.o := $(HOSTCFLAGS_DTC)
 HOSTCFLAGS_srcpos.o := $(HOSTCFLAGS_DTC)
 HOSTCFLAGS_treesource.o := $(HOSTCFLAGS_DTC)
+HOSTCFLAGS_util.o := $(HOSTCFLAGS_DTC)
 
 HOSTCFLAGS_dtc-lexer.lex.o := $(HOSTCFLAGS_DTC)
 HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 95485796f25..a662a004479 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -278,32 +278,112 @@ static void check_property_name_chars(struct check *c, struct node *dt,
 }
 PROP_CHECK(property_name_chars, PROPNODECHARS, ERROR);
 
+#define DESCLABEL_FMT   "%s%s%s%s%s"
+#define DESCLABEL_ARGS(node,prop,mark)          \
+        ((mark) ? "value of " : ""),            \
+        ((prop) ? "'" : ""), \
+        ((prop) ? (prop)->name : ""), \
+        ((prop) ? "' in " : ""), (node)->fullpath
+
+static void check_duplicate_label(struct check *c, struct node *dt,
+                                  const char *label, struct node *node,
+                                  struct property *prop, struct marker *mark)
+{
+        struct node *othernode = NULL;
+        struct property *otherprop = NULL;
+        struct marker *othermark = NULL;
+
+        othernode = get_node_by_label(dt, label);
+
+        if (!othernode)
+                otherprop = get_property_by_label(dt, label, &othernode);
+        if (!othernode)
+                othermark = get_marker_label(dt, label, &othernode,
+                                               &otherprop);
+
+        if (!othernode)
+                return;
+
+        if ((othernode != node) || (otherprop != prop) || (othermark != mark))
+                FAIL(c, "Duplicate label '%s' on " DESCLABEL_FMT
+                     " and " DESCLABEL_FMT,
+                     label, DESCLABEL_ARGS(node, prop, mark),
+                     DESCLABEL_ARGS(othernode, otherprop, othermark));
+}
+
+static void check_duplicate_label_node(struct check *c, struct node *dt,
+                                       struct node *node)
+{
+        struct label *l;
+
+        for_each_label(node->labels, l)
+                check_duplicate_label(c, dt, l->label, node, NULL, NULL);
+}
+static void check_duplicate_label_prop(struct check *c, struct node *dt,
+                                       struct node *node, struct property *prop)
+{
+        struct marker *m = prop->val.markers;
+        struct label *l;
+
+        for_each_label(prop->labels, l)
+                check_duplicate_label(c, dt, l->label, node, prop, NULL);
+
+        for_each_marker_of_type(m, LABEL)
+                check_duplicate_label(c, dt, m->ref, node, prop, m);
+}
+CHECK(duplicate_label, NULL, check_duplicate_label_node,
+      check_duplicate_label_prop, NULL, ERROR);
+
 static void check_explicit_phandles(struct check *c, struct node *root,
-                                          struct node *node)
+                                    struct node *node, struct property *prop)
 {
-        struct property *prop;
+        struct marker *m;
         struct node *other;
         cell_t phandle;
 
-        prop = get_property(node, "linux,phandle");
-        if (! prop)
-                return; /* No phandle, that's fine */
+        if (!streq(prop->name, "phandle")
+            && !streq(prop->name, "linux,phandle"))
+                return;
 
         if (prop->val.len != sizeof(cell_t)) {
-                FAIL(c, "%s has bad length (%d) linux,phandle property",
-                     node->fullpath, prop->val.len);
+                FAIL(c, "%s has bad length (%d) %s property",
+                     node->fullpath, prop->val.len, prop->name);
+                return;
+        }
+
+        m = prop->val.markers;
+        for_each_marker_of_type(m, REF_PHANDLE) {
+                assert(m->offset == 0);
+                if (node != get_node_by_ref(root, m->ref))
+                        /* "Set this node's phandle equal to some
+                         * other node's phandle".  That's nonsensical
+                         * by construction. */ {
+                        FAIL(c, "%s in %s is a reference to another node",
+                             prop->name, node->fullpath);
+                        return;
+                }
+                /* But setting this node's phandle equal to its own
+                 * phandle is allowed - that means allocate a unique
+                 * phandle for this node, even if it's not otherwise
+                 * referenced.  The value will be filled in later, so
+                 * no further checking for now. */
                 return;
         }
 
         phandle = propval_cell(prop);
+
         if ((phandle == 0) || (phandle == -1)) {
-                FAIL(c, "%s has invalid linux,phandle value 0x%x",
-                     node->fullpath, phandle);
+                FAIL(c, "%s has bad value (0x%x) in %s property",
+                     node->fullpath, phandle, prop->name);
                 return;
         }
 
+        if (node->phandle && (node->phandle != phandle))
+                FAIL(c, "%s has %s property which replaces existing phandle information",
+                     node->fullpath, prop->name);
+
         other = get_node_by_phandle(root, phandle);
-        if (other) {
+        if (other && (other != node)) {
                 FAIL(c, "%s has duplicated phandle 0x%x (seen before at %s)",
                      node->fullpath, phandle, other->fullpath);
                 return;
@@ -311,7 +391,7 @@ static void check_explicit_phandles(struct check *c, struct node *root,
 
         node->phandle = phandle;
 }
-NODE_CHECK(explicit_phandles, NULL, ERROR);
+PROP_CHECK(explicit_phandles, NULL, ERROR);
 
 static void check_name_properties(struct check *c, struct node *root,
                                   struct node *node)
@@ -549,6 +629,9 @@ static struct check *check_table[] = {
         &duplicate_node_names, &duplicate_property_names,
         &node_name_chars, &node_name_format, &property_name_chars,
         &name_is_string, &name_properties,
+
+        &duplicate_label,
+
         &explicit_phandles,
         &phandle_references, &path_references,
 
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index a627bbee91d..e866ea5166a 100644
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -18,7 +18,7 @@
  *                                                                   USA
  */
 
-%option noyywrap noinput nounput yylineno
+%option noyywrap nounput noinput never-interactive
 
 %x INCLUDE
 %x BYTESTRING
@@ -38,6 +38,13 @@ LINECOMMENT	"//".*\n
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
+YYLTYPE yylloc;
+
+/* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+#define YY_USER_ACTION \
+        { \
+                srcpos_update(&yylloc, yytext, yyleng); \
+        }
 
 /*#define LEXDEBUG      1*/
 
@@ -47,15 +54,10 @@ LINECOMMENT	"//".*\n
 #define DPRINT(fmt, ...)        do { } while (0)
 #endif
 
-static int dts_version; /* = 0 */
+static int dts_version = 1;
 
-#define BEGIN_DEFAULT() if (dts_version == 0) { \
-                                DPRINT("<INITIAL>\n"); \
-                                BEGIN(INITIAL); \
-                        } else { \
-                                DPRINT("<V1>\n"); \
+#define BEGIN_DEFAULT()         DPRINT("<V1>\n"); \
                                 BEGIN(V1); \
-                        }
 
 static void push_input_file(const char *filename);
 static int pop_input_file(void);
@@ -75,18 +77,13 @@ static int pop_input_file(void);
                 }
 
 <*>{STRING}     {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("String: %s\n", yytext);
                         yylval.data = data_copy_escape_string(yytext+1,
                                         yyleng-2);
-                        yylloc.first_line = yylineno;
                         return DT_STRING;
                 }
 
 <*>"/dts-v1/"   {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Keyword: /dts-v1/\n");
                         dts_version = 1;
                         BEGIN_DEFAULT();
@@ -94,106 +91,57 @@ static int pop_input_file(void);
                 }
 
 <*>"/memreserve/"       {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Keyword: /memreserve/\n");
                         BEGIN_DEFAULT();
                         return DT_MEMRESERVE;
                 }
 
 <*>{LABEL}:     {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Label: %s\n", yytext);
-                        yylval.labelref = strdup(yytext);
+                        yylval.labelref = xstrdup(yytext);
                         yylval.labelref[yyleng-1] = '\0';
                         return DT_LABEL;
                 }
 
-<INITIAL>[bodh]# {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        if (*yytext == 'b')
-                                yylval.cbase = 2;
-                        else if (*yytext == 'o')
-                                yylval.cbase = 8;
-                        else if (*yytext == 'd')
-                                yylval.cbase = 10;
-                        else
-                                yylval.cbase = 16;
-                        DPRINT("Base: %d\n", yylval.cbase);
-                        return DT_BASE;
-                }
-
-<INITIAL>[0-9a-fA-F]+   {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        yylval.literal = strdup(yytext);
-                        DPRINT("Literal: '%s'\n", yylval.literal);
-                        return DT_LEGACYLITERAL;
-                }
-
 <V1>[0-9]+|0[xX][0-9a-fA-F]+      {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        yylval.literal = strdup(yytext);
+                        yylval.literal = xstrdup(yytext);
                         DPRINT("Literal: '%s'\n", yylval.literal);
                         return DT_LITERAL;
                 }
 
-\&{LABEL}       {       /* label reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
+<*>\&{LABEL}    {       /* label reference */
                         DPRINT("Ref: %s\n", yytext+1);
-                        yylval.labelref = strdup(yytext+1);
+                        yylval.labelref = xstrdup(yytext+1);
                         return DT_REF;
                 }
 
-"&{/"{PATHCHAR}+\}      {       /* new-style path reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
+<*>"&{/"{PATHCHAR}+\}   {       /* new-style path reference */
                         yytext[yyleng-1] = '\0';
                         DPRINT("Ref: %s\n", yytext+2);
-                        yylval.labelref = strdup(yytext+2);
-                        return DT_REF;
-                }
-
-<INITIAL>"&/"{PATHCHAR}+ {      /* old-style path reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        DPRINT("Ref: %s\n", yytext+1);
-                        yylval.labelref = strdup(yytext+1);
+                        yylval.labelref = xstrdup(yytext+2);
                         return DT_REF;
                 }
 
 <BYTESTRING>[0-9a-fA-F]{2} {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         yylval.byte = strtol(yytext, NULL, 16);
                         DPRINT("Byte: %02x\n", (int)yylval.byte);
                         return DT_BYTE;
                 }
 
 <BYTESTRING>"]" {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("/BYTESTRING\n");
                         BEGIN_DEFAULT();
                         return ']';
                 }
 
 <PROPNODENAME>{PROPNODECHAR}+ {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("PropNodeName: %s\n", yytext);
-                        yylval.propnodename = strdup(yytext);
+                        yylval.propnodename = xstrdup(yytext);
                         BEGIN_DEFAULT();
                         return DT_PROPNODENAME;
                 }
 
 "/incbin/"      {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Binary Include\n");
                         return DT_INCBIN;
                 }
@@ -203,8 +151,6 @@ static int pop_input_file(void);
 <*>{LINECOMMENT}+ /* eat C++-style comments */
 
 <*>.            {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Char: %c (\\x%02x)\n", yytext[0],
                                 (unsigned)yytext[0]);
                         if (yytext[0] == '[') {
@@ -221,100 +167,25 @@ static int pop_input_file(void);
 
 %%
 
-
-/*
- * Stack of nested include file contexts.
- */
-
-struct incl_file {
-        struct dtc_file *file;
-        YY_BUFFER_STATE yy_prev_buf;
-        int yy_prev_lineno;
-        struct incl_file *prev;
-};
-
-static struct incl_file *incl_file_stack;
-
-
-/*
- * Detect infinite include recursion.
- */
-#define MAX_INCLUDE_DEPTH       (100)
-
-static int incl_depth = 0;
-
-
 static void push_input_file(const char *filename)
 {
-        struct incl_file *incl_file;
-        struct dtc_file *newfile;
-        struct search_path search, *searchptr = NULL;
-
         assert(filename);
 
-        if (incl_depth++ >= MAX_INCLUDE_DEPTH)
-                die("Includes nested too deeply");
-
-        if (srcpos_file) {
-                search.dir = srcpos_file->dir;
-                search.next = NULL;
-                search.prev = NULL;
-                searchptr = &search;
-        }
-
-        newfile = dtc_open_file(filename, searchptr);
+        srcfile_push(filename);
 
-        incl_file = xmalloc(sizeof(struct incl_file));
+        yyin = current_srcfile->f;
 
-        /*
-         * Save current context.
-         */
-        incl_file->yy_prev_buf = YY_CURRENT_BUFFER;
-        incl_file->yy_prev_lineno = yylineno;
-        incl_file->file = srcpos_file;
-        incl_file->prev = incl_file_stack;
-
-        incl_file_stack = incl_file;
-
-        /*
-         * Establish new context.
-         */
-        srcpos_file = newfile;
-        yylineno = 1;
-        yyin = newfile->file;
-        yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
+        yypush_buffer_state(yy_create_buffer(yyin, YY_BUF_SIZE));
 }
 
 
 static int pop_input_file(void)
 {
-        struct incl_file *incl_file;
-
-        if (incl_file_stack == 0)
+        if (srcfile_pop() == 0)
                 return 0;
 
-        dtc_close_file(srcpos_file);
-
-        /*
-         * Pop.
-         */
-        --incl_depth;
-        incl_file = incl_file_stack;
-        incl_file_stack = incl_file->prev;
-
-        /*
-         * Recover old context.
-         */
-        yy_delete_buffer(YY_CURRENT_BUFFER);
-        yy_switch_to_buffer(incl_file->yy_prev_buf);
-        yylineno = incl_file->yy_prev_lineno;
-        srcpos_file = incl_file->file;
-        yyin = incl_file->file ? incl_file->file->file : NULL;
-
-        /*
-         * Free old state.
-         */
-        free(incl_file);
+        yypop_buffer_state();
+        yyin = current_srcfile->f;
 
         return 1;
 }
diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped
index e27cc636e32..50c4420b4b2 100644
--- a/scripts/dtc/dtc-lexer.lex.c_shipped
+++ b/scripts/dtc/dtc-lexer.lex.c_shipped
@@ -170,20 +170,7 @@ extern FILE *yyin, *yyout;
 #define EOB_ACT_END_OF_FILE 1
 #define EOB_ACT_LAST_MATCH 2
 
-    /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
-     *       access to the local variable yy_act. Since yyless() is a macro, it would break
-     *       existing scanners that call yyless() from OUTSIDE yylex. 
-     *       One obvious solution it to make yy_act a global. I tried that, and saw
-     *       a 5% performance hit in a non-yylineno scanner, because yy_act is
-     *       normally declared as a register variable-- so it is not worth it.
-     */
-    #define  YY_LESS_LINENO(n) \
-            do { \
-                int yyl;\
-                for ( yyl = n; yyl < yyleng; ++yyl )\
-                    if ( yytext[yyl] == '\n' )\
-                        --yylineno;\
-            }while(0)
+    #define YY_LESS_LINENO(n)
     
 /* Return all but the first "n" matched characters back to the input stream. */
 #define yyless(n) \
@@ -385,8 +372,8 @@ static void yy_fatal_error (yyconst char msg[]  );
         *yy_cp = '\0'; \
         (yy_c_buf_p) = yy_cp;
 
-#define YY_NUM_RULES 20
-#define YY_END_OF_BUFFER 21
+#define YY_NUM_RULES 17
+#define YY_END_OF_BUFFER 18
 /* This struct is not used in this scanner,
    but its presence is necessary. */
 struct yy_trans_info
@@ -394,20 +381,19 @@ struct yy_trans_info
         flex_int32_t yy_verify;
         flex_int32_t yy_nxt;
         };
-static yyconst flex_int16_t yy_accept[104] =
+static yyconst flex_int16_t yy_accept[94] =
     {   0,
         0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-       21,   19,   16,   16,   19,   19,   19,    7,    7,   19,
-        7,   19,   19,   19,   19,   13,   14,   14,   19,    8,
-        8,   16,    0,    2,    0,    0,    9,    0,    0,    0,
-        0,    0,    0,    7,    7,    5,    0,    6,    0,   12,
-       12,   14,   14,    8,    0,   11,    9,    0,    0,    0,
-        0,   18,    0,    0,    0,    0,    8,    0,   17,    0,
-        0,    0,    0,    0,   10,    0,    0,    0,    0,    0,
-        0,    0,    0,    0,    0,    0,    0,    0,    3,   15,
+       18,   16,   13,   13,   16,   16,   16,   16,   16,   16,
+       16,   10,   11,   11,    6,    6,   13,    0,    2,    0,
+        7,    0,    0,    0,    0,    0,    0,    0,    5,    0,
+        9,    9,   11,   11,    6,    0,    7,    0,    0,    0,
+        0,   15,    0,    0,    0,    0,    6,    0,   14,    0,
+        0,    0,    0,    0,    8,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    3,   12,
         0,    0,    0,    0,    0,    0,    0,    0,    1,    0,
-
         0,    4,    0
+
     } ;
 
 static yyconst flex_int32_t yy_ec[256] =
@@ -416,16 +402,16 @@ static yyconst flex_int32_t yy_ec[256] =
         2,    2,    2,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    2,    1,    4,    5,    1,    1,    6,    1,    1,
-        1,    7,    8,    8,    9,    8,   10,   11,   12,   13,
-       13,   13,   13,   13,   13,   13,   13,   14,    1,    1,
-        1,    1,    8,    8,   15,   15,   15,   15,   15,   15,
-       16,   16,   16,   16,   16,   16,   16,   16,   16,   16,
-       16,   16,   16,   16,   16,   16,   16,   17,   16,   16,
-        1,   18,   19,    1,   16,    1,   15,   20,   21,   22,
-
-       23,   15,   16,   24,   25,   16,   16,   26,   27,   28,
-       24,   16,   16,   29,   30,   31,   32,   33,   16,   17,
-       16,   16,   34,    1,   35,    1,    1,    1,    1,    1,
+        1,    7,    5,    5,    8,    5,    9,   10,   11,   12,
+       12,   12,   12,   12,   12,   12,   12,   13,    1,    1,
+        1,    1,    5,    5,   14,   14,   14,   14,   14,   14,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   16,   15,   15,
+        1,   17,   18,    1,   15,    1,   14,   19,   20,   21,
+
+       22,   14,   15,   15,   23,   15,   15,   24,   25,   26,
+       15,   15,   15,   27,   28,   29,   30,   31,   15,   16,
+       15,   15,   32,    1,   33,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
@@ -442,136 +428,114 @@ static yyconst flex_int32_t yy_ec[256] =
         1,    1,    1,    1,    1
     } ;
 
-static yyconst flex_int32_t yy_meta[36] =
+static yyconst flex_int32_t yy_meta[34] =
     {   0,
-        1,    1,    1,    1,    2,    1,    2,    2,    2,    3,
-        4,    4,    4,    5,    6,    7,    7,    1,    1,    6,
-        6,    6,    6,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    8,    1
+        1,    1,    1,    1,    2,    1,    2,    2,    3,    4,
+        4,    4,    5,    6,    7,    7,    1,    1,    6,    6,
+        6,    6,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    8,    1
     } ;
 
-static yyconst flex_int16_t yy_base[117] =
+static yyconst flex_int16_t yy_base[106] =
     {   0,
-        0,    0,   30,    0,   44,    0,   67,    0,   97,  105,
-      302,  303,   35,   44,   40,   94,  112,    0,  129,  152,
-      296,  295,  159,    0,  176,  303,    0,  116,   95,  165,
-       49,   46,  102,  303,  296,    0,    0,  288,  290,  293,
-      264,  266,  270,    0,    0,  303,    0,  303,  264,  303,
-        0,    0,  195,  101,    0,    0,    0,    0,  284,  125,
-      277,  265,  225,  230,  216,  218,    0,  202,  224,  221,
-      217,  107,  196,  188,  303,  206,  179,  186,  178,  185,
-      183,  162,  161,  150,  169,  160,  145,  125,  303,  303,
-      137,  109,  190,  103,  203,  167,  108,  197,  303,  123,
-
-       29,  303,  303,  215,  221,  226,  229,  234,  240,  246,
-      250,  257,  265,  270,  275,  282
+        0,    0,  237,  236,   25,    0,   47,    0,   30,   71,
+      244,  247,   82,   84,   84,  211,   95,  229,  218,    0,
+      111,  247,    0,   84,   83,   95,  106,   86,  247,  237,
+        0,  230,  231,  234,  207,  209,  212,  220,  247,  206,
+      247,  218,    0,  106,  116,    0,    0,    0,  223,   89,
+      226,  219,  199,  206,  200,  204,    0,  190,  213,  212,
+      202,   91,  178,  161,  247,  172,  144,  150,  140,  130,
+      140,  124,  128,  120,  138,  137,  123,  122,  247,  247,
+      134,  114,  132,   86,  135,  125,   90,  136,  247,   97,
+       29,  247,  247,  153,  156,  161,  165,  170,  176,  180,
+
+      187,  195,  200,  205,  212
     } ;
 
-static yyconst flex_int16_t yy_def[117] =
+static yyconst flex_int16_t yy_def[106] =
     {   0,
-      103,    1,    1,    3,    3,    5,  103,    7,    3,    3,
-      103,  103,  103,  103,  104,  105,  103,  106,  103,   19,
-       19,   20,  103,  107,   20,  103,  108,  109,  105,  103,
-      103,  103,  104,  103,  104,  110,  111,  103,  112,  113,
-      103,  103,  103,  106,   19,  103,   20,  103,  103,  103,
-       20,  108,  109,  103,  114,  110,  111,  115,  112,  112,
-      113,  103,  103,  103,  103,  103,  114,  115,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  116,  103,  116,  103,  116,
-
-      103,  103,    0,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103
+       93,    1,    1,    1,    1,    5,   93,    7,    1,    1,
+       93,   93,   93,   93,   94,   95,   93,   96,   17,   97,
+       96,   93,   98,   99,   93,   93,   93,   94,   93,   94,
+      100,   93,  101,  102,   93,   93,   93,   96,   93,   93,
+       93,   96,   98,   99,   93,  103,  100,  104,  101,  101,
+      102,   93,   93,   93,   93,   93,  103,  104,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,  105,   93,  105,   93,  105,
+       93,   93,    0,   93,   93,   93,   93,   93,   93,   93,
+
+       93,   93,   93,   93,   93
     } ;
 
-static yyconst flex_int16_t yy_nxt[339] =
+static yyconst flex_int16_t yy_nxt[281] =
     {   0,
-       12,   13,   14,   15,   12,   16,   12,   12,   12,   17,
-       18,   18,   18,   12,   19,   20,   20,   12,   12,   21,
-       19,   21,   19,   22,   20,   20,   20,   20,   20,   20,
-       20,   20,   20,   12,   12,   12,   32,   32,  102,   23,
-       12,   12,   12,   34,   20,   32,   32,   32,   32,   20,
-       20,   20,   20,   20,   24,   24,   24,   35,   25,   54,
-       54,   54,   26,   25,   25,   25,   25,   12,   13,   14,
-       15,   27,   12,   27,   27,   27,   23,   27,   27,   27,
-       12,   28,   28,   28,   12,   12,   28,   28,   28,   28,
-       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
-
-       12,   12,   29,   36,  103,   34,   17,   30,   31,   31,
-       29,   54,   54,   54,   17,   30,   31,   31,   39,   35,
-       52,   40,   52,   52,   52,  103,   78,   38,   38,   46,
-      101,   60,   79,   41,   69,   97,   42,   94,   43,   45,
-       45,   45,   46,   45,   47,   47,   93,   92,   45,   45,
-       45,   45,   47,   47,   47,   47,   47,   47,   47,   47,
-       47,   47,   47,   47,   47,   39,   47,   91,   40,   90,
-       99,   47,   47,   47,   47,   54,   54,   54,   89,   88,
-       41,   55,   87,   49,  100,   43,   51,   51,   51,   86,
-       51,   95,   95,   96,   85,   51,   51,   51,   51,   52,
-
-       99,   52,   52,   52,   95,   95,   96,   84,   46,   83,
-       82,   81,   39,   79,  100,   33,   33,   33,   33,   33,
-       33,   33,   33,   37,   80,   77,   37,   37,   37,   44,
-       40,   44,   50,   76,   50,   52,   75,   52,   74,   52,
-       52,   53,   73,   53,   53,   53,   53,   56,   56,   56,
-       72,   56,   56,   57,   71,   57,   57,   59,   59,   59,
-       59,   59,   59,   59,   59,   61,   61,   61,   61,   61,
-       61,   61,   61,   67,   70,   67,   68,   68,   68,   62,
-       68,   68,   98,   98,   98,   98,   98,   98,   98,   98,
-       60,   66,   65,   64,   63,   62,   60,   58,  103,   48,
-
-       48,  103,   11,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103
+       12,   13,   14,   15,   12,   16,   12,   12,   17,   12,
+       12,   12,   12,   18,   18,   18,   12,   12,   18,   18,
+       18,   18,   18,   18,   18,   18,   18,   18,   18,   18,
+       18,   12,   12,   19,   20,   20,   20,   92,   21,   25,
+       26,   26,   22,   21,   21,   21,   21,   12,   13,   14,
+       15,   23,   16,   23,   23,   19,   23,   23,   23,   12,
+       24,   24,   24,   12,   12,   24,   24,   24,   24,   24,
+       24,   24,   24,   24,   24,   24,   24,   24,   12,   12,
+       25,   26,   26,   27,   27,   27,   27,   29,   43,   29,
+       43,   43,   45,   45,   45,   50,   39,   59,   46,   93,
+
+       30,   33,   30,   34,   45,   45,   45,   27,   27,   68,
+       43,   91,   43,   43,   69,   35,   87,   36,   39,   37,
+       42,   42,   42,   39,   42,   45,   45,   45,   89,   42,
+       42,   42,   42,   85,   85,   86,   85,   85,   86,   89,
+       84,   90,   83,   82,   81,   80,   79,   78,   77,   76,
+       75,   74,   90,   28,   28,   28,   28,   28,   28,   28,
+       28,   31,   31,   31,   38,   38,   38,   38,   41,   73,
+       41,   43,   72,   43,   71,   43,   43,   44,   33,   44,
+       44,   44,   44,   47,   69,   47,   47,   49,   49,   49,
+       49,   49,   49,   49,   49,   51,   51,   51,   51,   51,
+
+       51,   51,   51,   57,   70,   57,   58,   58,   58,   67,
+       58,   58,   88,   88,   88,   88,   88,   88,   88,   88,
+       34,   66,   65,   64,   63,   62,   61,   60,   52,   50,
+       39,   56,   39,   55,   54,   53,   52,   50,   48,   93,
+       40,   39,   32,   93,   19,   19,   11,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93
     } ;
 
-static yyconst flex_int16_t yy_chk[339] =
+static yyconst flex_int16_t yy_chk[281] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    3,   13,   13,  101,    3,
-        3,    3,    3,   15,    3,   14,   14,   32,   32,    3,
-        3,    3,    3,    3,    5,    5,    5,   15,    5,   31,
-       31,   31,    5,    5,    5,    5,    5,    7,    7,    7,
+        1,    1,    1,    5,    5,    5,    5,   91,    5,    9,
+        9,    9,    5,    5,    5,    5,    5,    7,    7,    7,
         7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
         7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
         7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-
-        7,    7,    9,   16,   29,   33,    9,    9,    9,    9,
-       10,   54,   54,   54,   10,   10,   10,   10,   17,   33,
-       28,   17,   28,   28,   28,  100,   72,   16,   29,   28,
-       97,   60,   72,   17,   60,   94,   17,   92,   17,   19,
-       19,   19,   19,   19,   19,   19,   91,   88,   19,   19,
-       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
-       19,   19,   20,   20,   20,   23,   20,   87,   23,   86,
-       96,   20,   20,   20,   20,   30,   30,   30,   85,   84,
-       23,   30,   83,   23,   96,   23,   25,   25,   25,   82,
-       25,   93,   93,   93,   81,   25,   25,   25,   25,   53,
-
-       98,   53,   53,   53,   95,   95,   95,   80,   53,   79,
-       78,   77,   76,   74,   98,  104,  104,  104,  104,  104,
-      104,  104,  104,  105,   73,   71,  105,  105,  105,  106,
-       70,  106,  107,   69,  107,  108,   68,  108,   66,  108,
-      108,  109,   65,  109,  109,  109,  109,  110,  110,  110,
-       64,  110,  110,  111,   63,  111,  111,  112,  112,  112,
-      112,  112,  112,  112,  112,  113,  113,  113,  113,  113,
-      113,  113,  113,  114,   62,  114,  115,  115,  115,   61,
-      115,  115,  116,  116,  116,  116,  116,  116,  116,  116,
-       59,   49,   43,   42,   41,   40,   39,   38,   35,   22,
-
-       21,   11,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
-      103,  103,  103,  103,  103,  103,  103,  103
+       10,   10,   10,   13,   13,   14,   14,   15,   24,   28,
+       24,   24,   25,   25,   25,   50,   24,   50,   25,   90,
+
+       15,   17,   28,   17,   26,   26,   26,   27,   27,   62,
+       44,   87,   44,   44,   62,   17,   84,   17,   44,   17,
+       21,   21,   21,   21,   21,   45,   45,   45,   86,   21,
+       21,   21,   21,   83,   83,   83,   85,   85,   85,   88,
+       82,   86,   81,   78,   77,   76,   75,   74,   73,   72,
+       71,   70,   88,   94,   94,   94,   94,   94,   94,   94,
+       94,   95,   95,   95,   96,   96,   96,   96,   97,   69,
+       97,   98,   68,   98,   67,   98,   98,   99,   66,   99,
+       99,   99,   99,  100,   64,  100,  100,  101,  101,  101,
+      101,  101,  101,  101,  101,  102,  102,  102,  102,  102,
+
+      102,  102,  102,  103,   63,  103,  104,  104,  104,   61,
+      104,  104,  105,  105,  105,  105,  105,  105,  105,  105,
+       60,   59,   58,   56,   55,   54,   53,   52,   51,   49,
+       42,   40,   38,   37,   36,   35,   34,   33,   32,   30,
+       19,   18,   16,   11,    4,    3,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93,
+       93,   93,   93,   93,   93,   93,   93,   93,   93,   93
     } ;
 
-/* Table of booleans, true if rule could match eol. */
-static yyconst flex_int32_t yy_rule_can_match_eol[21] =
-    {   0,
-1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 
-    0,     };
-
 static yy_state_type yy_last_accepting_state;
 static char *yy_last_accepting_cpos;
 
@@ -616,6 +580,13 @@ char *yytext;
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
+YYLTYPE yylloc;
+
+/* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+#define YY_USER_ACTION \
+        { \
+                srcpos_update(&yylloc, yytext, yyleng); \
+        }
 
 /*#define LEXDEBUG      1*/
 
@@ -625,19 +596,14 @@ char *yytext;
 #define DPRINT(fmt, ...)        do { } while (0)
 #endif
 
-static int dts_version; /* = 0 */
+static int dts_version = 1;
 
-#define BEGIN_DEFAULT() if (dts_version == 0) { \
-                                DPRINT("<INITIAL>\n"); \
-                                BEGIN(INITIAL); \
-                        } else { \
-                                DPRINT("<V1>\n"); \
+#define BEGIN_DEFAULT()         DPRINT("<V1>\n"); \
                                 BEGIN(V1); \
-                        }
 
 static void push_input_file(const char *filename);
 static int pop_input_file(void);
-#line 641 "dtc-lexer.lex.c"
+#line 607 "dtc-lexer.lex.c"
 
 #define INITIAL 0
 #define INCLUDE 1
@@ -826,9 +792,9 @@ YY_DECL
         register char *yy_cp, *yy_bp;
         register int yy_act;
     
-#line 64 "dtc-lexer.l"
+#line 66 "dtc-lexer.l"
 
-#line 832 "dtc-lexer.lex.c"
+#line 798 "dtc-lexer.lex.c"
 
         if ( !(yy_init) )
                 {
@@ -881,35 +847,21 @@ yy_match:
                         while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                                 {
                                 yy_current_state = (int) yy_def[yy_current_state];
-                                if ( yy_current_state >= 104 )
+                                if ( yy_current_state >= 94 )
                                         yy_c = yy_meta[(unsigned int) yy_c];
                                 }
                         yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
                         ++yy_cp;
                         }
-                while ( yy_base[yy_current_state] != 303 );
+                while ( yy_current_state != 93 );
+                yy_cp = (yy_last_accepting_cpos);
+                yy_current_state = (yy_last_accepting_state);
 
 yy_find_action:
                 yy_act = yy_accept[yy_current_state];
-                if ( yy_act == 0 )
-                        { /* have to back up */
-                        yy_cp = (yy_last_accepting_cpos);
-                        yy_current_state = (yy_last_accepting_state);
-                        yy_act = yy_accept[yy_current_state];
-                        }
 
                 YY_DO_BEFORE_ACTION;
 
-                if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
-                        {
-                        int yyl;
-                        for ( yyl = 0; yyl < yyleng; ++yyl )
-                                if ( yytext[yyl] == '\n' )
-                                           
-    yylineno++;
-;
-                        }
-
 do_action:      /* This label is used only to access EOF actions. */
 
                 switch ( yy_act )
@@ -924,7 +876,7 @@ do_action:	/* This label is used only to access EOF actions. */
 case 1:
 /* rule 1 can match eol */
 YY_RULE_SETUP
-#line 65 "dtc-lexer.l"
+#line 67 "dtc-lexer.l"
 {
                         char *name = strchr(yytext, '\"') + 1;
                         yytext[yyleng-1] = '\0';
@@ -936,7 +888,7 @@ case YY_STATE_EOF(INCLUDE):
 case YY_STATE_EOF(BYTESTRING):
 case YY_STATE_EOF(PROPNODENAME):
 case YY_STATE_EOF(V1):
-#line 71 "dtc-lexer.l"
+#line 73 "dtc-lexer.l"
 {
                         if (!pop_input_file()) {
                                 yyterminate();
@@ -946,23 +898,18 @@ case YY_STATE_EOF(V1):
 case 2:
 /* rule 2 can match eol */
 YY_RULE_SETUP
-#line 77 "dtc-lexer.l"
+#line 79 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("String: %s\n", yytext);
                         yylval.data = data_copy_escape_string(yytext+1,
                                         yyleng-2);
-                        yylloc.first_line = yylineno;
                         return DT_STRING;
                 }
         YY_BREAK
 case 3:
 YY_RULE_SETUP
-#line 87 "dtc-lexer.l"
+#line 86 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Keyword: /dts-v1/\n");
                         dts_version = 1;
                         BEGIN_DEFAULT();
@@ -971,10 +918,8 @@ YY_RULE_SETUP
         YY_BREAK
 case 4:
 YY_RULE_SETUP
-#line 96 "dtc-lexer.l"
+#line 93 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Keyword: /memreserve/\n");
                         BEGIN_DEFAULT();
                         return DT_MEMRESERVE;
@@ -982,158 +927,100 @@ YY_RULE_SETUP
         YY_BREAK
 case 5:
 YY_RULE_SETUP
-#line 104 "dtc-lexer.l"
+#line 99 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Label: %s\n", yytext);
-                        yylval.labelref = strdup(yytext);
+                        yylval.labelref = xstrdup(yytext);
                         yylval.labelref[yyleng-1] = '\0';
                         return DT_LABEL;
                 }
         YY_BREAK
 case 6:
 YY_RULE_SETUP
-#line 113 "dtc-lexer.l"
-{
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        if (*yytext == 'b')
-                                yylval.cbase = 2;
-                        else if (*yytext == 'o')
-                                yylval.cbase = 8;
-                        else if (*yytext == 'd')
-                                yylval.cbase = 10;
-                        else
-                                yylval.cbase = 16;
-                        DPRINT("Base: %d\n", yylval.cbase);
-                        return DT_BASE;
-                }
-        YY_BREAK
-case 7:
-YY_RULE_SETUP
-#line 128 "dtc-lexer.l"
+#line 106 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        yylval.literal = strdup(yytext);
-                        DPRINT("Literal: '%s'\n", yylval.literal);
-                        return DT_LEGACYLITERAL;
-                }
-        YY_BREAK
-case 8:
-YY_RULE_SETUP
-#line 136 "dtc-lexer.l"
-{
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        yylval.literal = strdup(yytext);
+                        yylval.literal = xstrdup(yytext);
                         DPRINT("Literal: '%s'\n", yylval.literal);
                         return DT_LITERAL;
                 }
         YY_BREAK
-case 9:
+case 7:
 YY_RULE_SETUP
-#line 144 "dtc-lexer.l"
+#line 112 "dtc-lexer.l"
 {       /* label reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Ref: %s\n", yytext+1);
-                        yylval.labelref = strdup(yytext+1);
+                        yylval.labelref = xstrdup(yytext+1);
                         return DT_REF;
                 }
         YY_BREAK
-case 10:
+case 8:
 YY_RULE_SETUP
-#line 152 "dtc-lexer.l"
+#line 118 "dtc-lexer.l"
 {       /* new-style path reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         yytext[yyleng-1] = '\0';
                         DPRINT("Ref: %s\n", yytext+2);
-                        yylval.labelref = strdup(yytext+2);
+                        yylval.labelref = xstrdup(yytext+2);
                         return DT_REF;
                 }
         YY_BREAK
-case 11:
-YY_RULE_SETUP
-#line 161 "dtc-lexer.l"
-{       /* old-style path reference */
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
-                        DPRINT("Ref: %s\n", yytext+1);
-                        yylval.labelref = strdup(yytext+1);
-                        return DT_REF;
-                }
-        YY_BREAK
-case 12:
+case 9:
 YY_RULE_SETUP
-#line 169 "dtc-lexer.l"
+#line 125 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         yylval.byte = strtol(yytext, NULL, 16);
                         DPRINT("Byte: %02x\n", (int)yylval.byte);
                         return DT_BYTE;
                 }
         YY_BREAK
-case 13:
+case 10:
 YY_RULE_SETUP
-#line 177 "dtc-lexer.l"
+#line 131 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("/BYTESTRING\n");
                         BEGIN_DEFAULT();
                         return ']';
                 }
         YY_BREAK
-case 14:
+case 11:
 YY_RULE_SETUP
-#line 185 "dtc-lexer.l"
+#line 137 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("PropNodeName: %s\n", yytext);
-                        yylval.propnodename = strdup(yytext);
+                        yylval.propnodename = xstrdup(yytext);
                         BEGIN_DEFAULT();
                         return DT_PROPNODENAME;
                 }
         YY_BREAK
-case 15:
+case 12:
 YY_RULE_SETUP
-#line 194 "dtc-lexer.l"
+#line 144 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Binary Include\n");
                         return DT_INCBIN;
                 }
         YY_BREAK
-case 16:
-/* rule 16 can match eol */
+case 13:
+/* rule 13 can match eol */
 YY_RULE_SETUP
-#line 201 "dtc-lexer.l"
+#line 149 "dtc-lexer.l"
 /* eat whitespace */
         YY_BREAK
-case 17:
-/* rule 17 can match eol */
+case 14:
+/* rule 14 can match eol */
 YY_RULE_SETUP
-#line 202 "dtc-lexer.l"
+#line 150 "dtc-lexer.l"
 /* eat C-style comments */
         YY_BREAK
-case 18:
-/* rule 18 can match eol */
+case 15:
+/* rule 15 can match eol */
 YY_RULE_SETUP
-#line 203 "dtc-lexer.l"
+#line 151 "dtc-lexer.l"
 /* eat C++-style comments */
         YY_BREAK
-case 19:
+case 16:
 YY_RULE_SETUP
-#line 205 "dtc-lexer.l"
+#line 153 "dtc-lexer.l"
 {
-                        yylloc.file = srcpos_file;
-                        yylloc.first_line = yylineno;
                         DPRINT("Char: %c (\\x%02x)\n", yytext[0],
                                 (unsigned)yytext[0]);
                         if (yytext[0] == '[') {
@@ -1148,12 +1035,12 @@ YY_RULE_SETUP
                         return yytext[0];
                 }
         YY_BREAK
-case 20:
+case 17:
 YY_RULE_SETUP
-#line 222 "dtc-lexer.l"
+#line 168 "dtc-lexer.l"
 ECHO;
         YY_BREAK
-#line 1157 "dtc-lexer.lex.c"
+#line 1044 "dtc-lexer.lex.c"
 
         case YY_END_OF_BUFFER:
                 {
@@ -1218,7 +1105,8 @@ ECHO;
 
                         else
                                 {
-                                yy_cp = (yy_c_buf_p);
+                                yy_cp = (yy_last_accepting_cpos);
+                                yy_current_state = (yy_last_accepting_state);
                                 goto yy_find_action;
                                 }
                         }
@@ -1443,7 +1331,7 @@ static int yy_get_next_buffer (void)
                 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                         {
                         yy_current_state = (int) yy_def[yy_current_state];
-                        if ( yy_current_state >= 104 )
+                        if ( yy_current_state >= 94 )
                                 yy_c = yy_meta[(unsigned int) yy_c];
                         }
                 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
@@ -1471,11 +1359,11 @@ static int yy_get_next_buffer (void)
         while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                 {
                 yy_current_state = (int) yy_def[yy_current_state];
-                if ( yy_current_state >= 104 )
+                if ( yy_current_state >= 94 )
                         yy_c = yy_meta[(unsigned int) yy_c];
                 }
         yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-        yy_is_jam = (yy_current_state == 103);
+        yy_is_jam = (yy_current_state == 93);
 
         return yy_is_jam ? 0 : yy_current_state;
 }
@@ -1550,11 +1438,6 @@ static int yy_get_next_buffer (void)
         *(yy_c_buf_p) = '\0';   /* preserve yytext */
         (yy_hold_char) = *++(yy_c_buf_p);
 
-        if ( c == '\n' )
-                   
-    yylineno++;
-;
-
         return c;
 }
 #endif  /* ifndef YY_NO_INPUT */
@@ -1669,10 +1552,6 @@ static void yy_load_buffer_state  (void)
         yyfree((void *) b  );
 }
 
-#ifndef __cplusplus
-extern int isatty (int );
-#endif /* __cplusplus */
-    
 /* Initializes or reinitializes a buffer.
  * This function is sometimes called more than once on the same buffer,
  * such as during a yyrestart() or at EOF.
@@ -1696,7 +1575,7 @@ extern int isatty (int );
         b->yy_bs_column = 0;
     }
 
-        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+        b->yy_is_interactive = 0;
     
         errno = oerrno;
 }
@@ -2025,9 +1904,6 @@ static int yy_init_globals (void)
      * This function is called from yylex_destroy(), so don't allocate here.
      */
 
-    /* We do not touch yylineno unless the option is enabled. */
-    yylineno =  1;
-    
     (yy_buffer_stack) = 0;
     (yy_buffer_stack_top) = 0;
     (yy_buffer_stack_max) = 0;
@@ -2120,104 +1996,29 @@ void yyfree (void * ptr )
 
 #define YYTABLES_NAME "yytables"
 
-#line 222 "dtc-lexer.l"
-
-
-
-
-/*
- * Stack of nested include file contexts.
- */
-
-struct incl_file {
-        struct dtc_file *file;
-        YY_BUFFER_STATE yy_prev_buf;
-        int yy_prev_lineno;
-        struct incl_file *prev;
-};
-
-static struct incl_file *incl_file_stack;
+#line 168 "dtc-lexer.l"
 
 
-/*
- * Detect infinite include recursion.
- */
-#define MAX_INCLUDE_DEPTH       (100)
-
-static int incl_depth = 0;
-
 
 static void push_input_file(const char *filename)
 {
-        struct incl_file *incl_file;
-        struct dtc_file *newfile;
-        struct search_path search, *searchptr = NULL;
-
         assert(filename);
 
-        if (incl_depth++ >= MAX_INCLUDE_DEPTH)
-                die("Includes nested too deeply");
-
-        if (srcpos_file) {
-                search.dir = srcpos_file->dir;
-                search.next = NULL;
-                search.prev = NULL;
-                searchptr = &search;
-        }
-
-        newfile = dtc_open_file(filename, searchptr);
+        srcfile_push(filename);
 
-        incl_file = xmalloc(sizeof(struct incl_file));
+        yyin = current_srcfile->f;
 
-        /*
-         * Save current context.
-         */
-        incl_file->yy_prev_buf = YY_CURRENT_BUFFER;
-        incl_file->yy_prev_lineno = yylineno;
-        incl_file->file = srcpos_file;
-        incl_file->prev = incl_file_stack;
-
-        incl_file_stack = incl_file;
-
-        /*
-         * Establish new context.
-         */
-        srcpos_file = newfile;
-        yylineno = 1;
-        yyin = newfile->file;
-        yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE));
+        yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE));
 }
 
 
 static int pop_input_file(void)
 {
-        struct incl_file *incl_file;
-
-        if (incl_file_stack == 0)
+        if (srcfile_pop() == 0)
                 return 0;
 
-        dtc_close_file(srcpos_file);
-
-        /*
-         * Pop.
-         */
-        --incl_depth;
-        incl_file = incl_file_stack;
-        incl_file_stack = incl_file->prev;
-
-        /*
-         * Recover old context.
-         */
-        yy_delete_buffer(YY_CURRENT_BUFFER);
-        yy_switch_to_buffer(incl_file->yy_prev_buf);
-        yylineno = incl_file->yy_prev_lineno;
-        srcpos_file = incl_file->file;
-        yyin = incl_file->file ? incl_file->file->file : NULL;
-
-        /*
-         * Free old state.
-         */
-        free(incl_file);
+        yypop_buffer_state();
+        yyin = current_srcfile->f;
 
         return 1;
 }
diff --git a/scripts/dtc/dtc-parser.tab.c_shipped b/scripts/dtc/dtc-parser.tab.c_shipped
index 27129377e5d..9be2eea18a3 100644
--- a/scripts/dtc/dtc-parser.tab.c_shipped
+++ b/scripts/dtc/dtc-parser.tab.c_shipped
@@ -1,24 +1,23 @@
-/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.4.1.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+   
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -29,7 +28,7 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
@@ -47,7 +46,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.3"
+#define YYBISON_VERSION "2.4.1"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -55,55 +54,32 @@
 /* Pure parsers.  */
 #define YYPURE 0
 
-/* Using locations.  */
-#define YYLSP_NEEDED 1
-
+/* Push parsers.  */
+#define YYPUSH 0
 
+/* Pull parsers.  */
+#define YYPULL 1
 
-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     DT_V1 = 258,
-     DT_MEMRESERVE = 259,
-     DT_PROPNODENAME = 260,
-     DT_LITERAL = 261,
-     DT_LEGACYLITERAL = 262,
-     DT_BASE = 263,
-     DT_BYTE = 264,
-     DT_STRING = 265,
-     DT_LABEL = 266,
-     DT_REF = 267,
-     DT_INCBIN = 268
-   };
-#endif
-/* Tokens.  */
-#define DT_V1 258
-#define DT_MEMRESERVE 259
-#define DT_PROPNODENAME 260
-#define DT_LITERAL 261
-#define DT_LEGACYLITERAL 262
-#define DT_BASE 263
-#define DT_BYTE 264
-#define DT_STRING 265
-#define DT_LABEL 266
-#define DT_REF 267
-#define DT_INCBIN 268
-
+/* Using locations.  */
+#define YYLSP_NEEDED 0
 
 
 
 /* Copy the first part of user declarations.  */
-#line 23 "dtc-parser.y"
+
+/* Line 189 of yacc.c  */
+#line 21 "dtc-parser.y"
 
 #include <stdio.h>
 
 #include "dtc.h"
 #include "srcpos.h"
 
+YYLTYPE yylloc;
+
 extern int yylex(void);
+extern void print_error(char const *fmt, ...);
+extern void yyerror(char const *s);
 
 extern struct boot_info *the_boot_info;
 extern int treesource_error;
@@ -111,6 +87,9 @@ extern int treesource_error;
 static unsigned long long eval_literal(const char *s, int base, int bits);
 
 
+/* Line 189 of yacc.c  */
+#line 92 "dtc-parser.tab.c"
+
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 0
@@ -129,10 +108,35 @@ static unsigned long long eval_literal(const char *s, int base, int bits);
 # define YYTOKEN_TABLE 0
 #endif
 
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     DT_V1 = 258,
+     DT_MEMRESERVE = 259,
+     DT_PROPNODENAME = 260,
+     DT_LITERAL = 261,
+     DT_BASE = 262,
+     DT_BYTE = 263,
+     DT_STRING = 264,
+     DT_LABEL = 265,
+     DT_REF = 266,
+     DT_INCBIN = 267
+   };
+#endif
+
+
+
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 37 "dtc-parser.y"
 {
+
+/* Line 214 of yacc.c  */
+#line 39 "dtc-parser.y"
+
         char *propnodename;
         char *literal;
         char *labelref;
@@ -147,34 +151,23 @@ typedef union YYSTYPE
         struct node *node;
         struct node *nodelist;
         struct reserve_info *re;
-}
-/* Line 187 of yacc.c.  */
-#line 153 "dtc-parser.tab.c"
-        YYSTYPE;
+
+
+
+/* Line 214 of yacc.c  */
+#line 159 "dtc-parser.tab.c"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
-#endif
-
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
-  int first_line;
-  int first_column;
-  int last_line;
-  int last_column;
-} YYLTYPE;
-# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
 #endif
 
 
 /* Copy the second part of user declarations.  */
 
 
-/* Line 216 of yacc.c.  */
-#line 178 "dtc-parser.tab.c"
+/* Line 264 of yacc.c  */
+#line 171 "dtc-parser.tab.c"
 
 #ifdef short
 # undef short
@@ -249,14 +242,14 @@ typedef short int yytype_int16;
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
-YYID (int i)
+YYID (int yyi)
 #else
 static int
-YYID (i)
-    int i;
+YYID (yyi)
+    int yyi;
 #endif
 {
-  return i;
+  return yyi;
 }
 #endif
 
@@ -332,15 +325,13 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \
-         || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
-             && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
-  yytype_int16 yyss;
-  YYSTYPE yyvs;
-    YYLTYPE yyls;
+  yytype_int16 yyss_alloc;
+  YYSTYPE yyvs_alloc;
 };
 
 /* The size of the maximum gap between one aligned stack and the next.  */
@@ -349,8 +340,8 @@ union yyalloc
 /* The size of an array large to enough to hold all stacks, each with
    N elements.  */
 # define YYSTACK_BYTES(N) \
-     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
-      + 2 * YYSTACK_GAP_MAXIMUM)
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
@@ -375,12 +366,12 @@ union yyalloc
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
-# define YYSTACK_RELOCATE(Stack)                                        \
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
     do                                                                  \
       {                                                                 \
         YYSIZE_T yynewbytes;                                            \
-        YYCOPY (&yyptr->Stack, Stack, yysize);                          \
-        Stack = &yyptr->Stack;                                          \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
         yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
         yyptr += yynewbytes / sizeof (*yyptr);                          \
       }                                                                 \
@@ -389,22 +380,22 @@ union yyalloc
 #endif
 
 /* YYFINAL -- State number of the termination state.  */
-#define YYFINAL  9
+#define YYFINAL  4
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   73
+#define YYLAST   56
 
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  27
+#define YYNTOKENS  25
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  20
+#define YYNNTS  16
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  45
+#define YYNRULES  39
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  76
+#define YYNSTATES  67
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   268
+#define YYMAXUTOK   267
 
 #define YYTRANSLATE(YYX)                                                \
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -416,15 +407,15 @@ static const yytype_uint8 yytranslate[] =
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-      24,    26,     2,     2,    25,    15,     2,    16,     2,     2,
-       2,     2,     2,     2,     2,     2,     2,     2,     2,    14,
-      20,    19,    21,     2,     2,     2,     2,     2,     2,     2,
+      22,    24,     2,     2,    23,     2,     2,    14,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,    13,
+      18,    17,    19,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-       2,    22,     2,    23,     2,     2,     2,     2,     2,     2,
+       2,    20,     2,    21,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-       2,     2,     2,    17,     2,    18,     2,     2,     2,     2,
+       2,     2,     2,    15,     2,    16,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
@@ -438,7 +429,7 @@ static const yytype_uint8 yytranslate[] =
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
-       5,     6,     7,     8,     9,    10,    11,    12,    13
+       5,     6,     7,     8,     9,    10,    11,    12
 };
 
 #if YYDEBUG
@@ -446,41 +437,37 @@ static const yytype_uint8 yytranslate[] =
    YYRHS.  */
 static const yytype_uint8 yyprhs[] =
 {
-       0,     0,     3,     8,    11,    12,    15,    21,    22,    25,
-      27,    34,    36,    38,    41,    47,    48,    51,    57,    61,
-      64,    69,    74,    77,    87,    93,    96,    97,   100,   103,
-     104,   107,   110,   113,   114,   116,   118,   121,   122,   125,
-     128,   129,   132,   135,   139,   140
+       0,     0,     3,     8,     9,    12,    17,    20,    22,    25,
+      29,    33,    39,    40,    43,    48,    51,    54,    57,    62,
+      67,    70,    80,    86,    89,    90,    93,    96,    97,   100,
+     103,   106,   108,   109,   112,   115,   116,   119,   122,   125
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      28,     0,    -1,     3,    14,    29,    34,    -1,    31,    34,
-      -1,    -1,    30,    29,    -1,    46,     4,    33,    33,    14,
-      -1,    -1,    32,    31,    -1,    30,    -1,    46,     4,    33,
-      15,    33,    14,    -1,     6,    -1,     7,    -1,    16,    35,
-      -1,    17,    36,    44,    18,    14,    -1,    -1,    36,    37,
-      -1,    46,     5,    19,    38,    14,    -1,    46,     5,    14,
-      -1,    39,    10,    -1,    39,    20,    40,    21,    -1,    39,
-      22,    43,    23,    -1,    39,    12,    -1,    39,    13,    24,
-      10,    25,    33,    25,    33,    26,    -1,    39,    13,    24,
-      10,    26,    -1,    38,    11,    -1,    -1,    38,    25,    -1,
-      39,    11,    -1,    -1,    40,    42,    -1,    40,    12,    -1,
-      40,    11,    -1,    -1,     8,    -1,     6,    -1,    41,     7,
-      -1,    -1,    43,     9,    -1,    43,    11,    -1,    -1,    45,
-      44,    -1,    45,    37,    -1,    46,     5,    35,    -1,    -1,
-      11,    -1
+      26,     0,    -1,     3,    13,    27,    30,    -1,    -1,    28,
+      27,    -1,     4,    29,    29,    13,    -1,    10,    28,    -1,
+       6,    -1,    14,    31,    -1,    30,    14,    31,    -1,    30,
+      11,    31,    -1,    15,    32,    39,    16,    13,    -1,    -1,
+      32,    33,    -1,     5,    17,    34,    13,    -1,     5,    13,
+      -1,    10,    33,    -1,    35,     9,    -1,    35,    18,    36,
+      19,    -1,    35,    20,    38,    21,    -1,    35,    11,    -1,
+      35,    12,    22,     9,    23,    29,    23,    29,    24,    -1,
+      35,    12,    22,     9,    24,    -1,    34,    10,    -1,    -1,
+      34,    23,    -1,    35,    10,    -1,    -1,    36,    37,    -1,
+      36,    11,    -1,    36,    10,    -1,     6,    -1,    -1,    38,
+       8,    -1,    38,    10,    -1,    -1,    40,    39,    -1,    40,
+      33,    -1,     5,    31,    -1,    10,    40,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,    89,    89,    93,   101,   104,   111,   119,   122,   129,
-     133,   140,   144,   151,   158,   166,   169,   176,   180,   187,
-     191,   195,   199,   203,   220,   231,   239,   242,   246,   254,
-     257,   261,   266,   274,   277,   281,   285,   293,   296,   300,
-     308,   311,   315,   323,   331,   334
+       0,    86,    86,    95,    98,   105,   109,   117,   124,   128,
+     132,   145,   153,   156,   163,   167,   171,   179,   183,   187,
+     191,   195,   212,   222,   230,   233,   237,   245,   248,   252,
+     257,   264,   272,   275,   279,   287,   290,   294,   302,   306
 };
 #endif
 
@@ -490,13 +477,12 @@ static const yytype_uint16 yyrline[] =
 static const char *const yytname[] =
 {
   "$end", "error", "$undefined", "DT_V1", "DT_MEMRESERVE",
-  "DT_PROPNODENAME", "DT_LITERAL", "DT_LEGACYLITERAL", "DT_BASE",
-  "DT_BYTE", "DT_STRING", "DT_LABEL", "DT_REF", "DT_INCBIN", "';'", "'-'",
-  "'/'", "'{'", "'}'", "'='", "'<'", "'>'", "'['", "']'", "'('", "','",
-  "')'", "$accept", "sourcefile", "memreserves", "memreserve",
-  "v0_memreserves", "v0_memreserve", "addr", "devicetree", "nodedef",
-  "proplist", "propdef", "propdata", "propdataprefix", "celllist",
-  "cellbase", "cellval", "bytestring", "subnodes", "subnode", "label", 0
+  "DT_PROPNODENAME", "DT_LITERAL", "DT_BASE", "DT_BYTE", "DT_STRING",
+  "DT_LABEL", "DT_REF", "DT_INCBIN", "';'", "'/'", "'{'", "'}'", "'='",
+  "'<'", "'>'", "'['", "']'", "'('", "','", "')'", "$accept", "sourcefile",
+  "memreserves", "memreserve", "addr", "devicetree", "nodedef", "proplist",
+  "propdef", "propdata", "propdataprefix", "celllist", "cellval",
+  "bytestring", "subnodes", "subnode", 0
 };
 #endif
 
@@ -506,29 +492,27 @@ static const char *const yytname[] =
 static const yytype_uint16 yytoknum[] =
 {
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
-     265,   266,   267,   268,    59,    45,    47,   123,   125,    61,
-      60,    62,    91,    93,    40,    44,    41
+     265,   266,   267,    59,    47,   123,   125,    61,    60,    62,
+      91,    93,    40,    44,    41
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       0,    27,    28,    28,    29,    29,    30,    31,    31,    32,
-      32,    33,    33,    34,    35,    36,    36,    37,    37,    38,
-      38,    38,    38,    38,    38,    38,    39,    39,    39,    40,
-      40,    40,    40,    41,    41,    42,    42,    43,    43,    43,
-      44,    44,    44,    45,    46,    46
+       0,    25,    26,    27,    27,    28,    28,    29,    30,    30,
+      30,    31,    32,    32,    33,    33,    33,    34,    34,    34,
+      34,    34,    34,    34,    35,    35,    35,    36,    36,    36,
+      36,    37,    38,    38,    38,    39,    39,    39,    40,    40
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
-       0,     2,     4,     2,     0,     2,     5,     0,     2,     1,
-       6,     1,     1,     2,     5,     0,     2,     5,     3,     2,
-       4,     4,     2,     9,     5,     2,     0,     2,     2,     0,
-       2,     2,     2,     0,     1,     1,     2,     0,     2,     2,
-       0,     2,     2,     3,     0,     1
+       0,     2,     4,     0,     2,     4,     2,     1,     2,     3,
+       3,     5,     0,     2,     4,     2,     2,     2,     4,     4,
+       2,     9,     5,     2,     0,     2,     2,     0,     2,     2,
+       2,     1,     0,     2,     2,     0,     2,     2,     2,     2
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -536,86 +520,79 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
-       7,     0,    45,     0,     9,     0,     7,     0,     4,     1,
-       0,     3,     8,     0,     0,     4,     0,    15,    13,    11,
-      12,     0,     2,     5,     0,    40,     0,     0,     0,    16,
-       0,    40,     0,     0,     6,     0,    42,    41,     0,    10,
-      14,    18,    26,    43,     0,     0,    25,    17,    27,    19,
-      28,    22,     0,    29,    37,     0,    33,     0,     0,    35,
-      34,    32,    31,    20,     0,    30,    38,    39,    21,     0,
-      24,    36,     0,     0,     0,    23
+       0,     0,     0,     3,     1,     0,     0,     0,     3,     7,
+       0,     6,     0,     2,     4,     0,    12,     8,     0,     0,
+       5,    35,    10,     9,     0,     0,    13,     0,    35,    15,
+      24,    38,    16,    39,     0,    37,    36,     0,     0,    11,
+      23,    14,    25,    17,    26,    20,     0,    27,    32,     0,
+       0,     0,     0,    31,    30,    29,    18,    28,    33,    34,
+      19,     0,    22,     0,     0,     0,    21
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
 static const yytype_int8 yydefgoto[] =
 {
-      -1,     3,    14,     4,     5,     6,    27,    11,    18,    25,
-      29,    44,    45,    56,    64,    65,    57,    30,    31,     7
+      -1,     2,     7,     8,    10,    13,    17,    21,    26,    37,
+      38,    50,    57,    51,    27,    28
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -14
+#define YYPACT_NINF -12
 static const yytype_int8 yypact[] =
 {
-      30,   -11,   -14,     7,   -14,    -1,    27,    13,    27,   -14,
-       8,   -14,   -14,    40,    -1,    27,    35,   -14,   -14,   -14,
-     -14,    21,   -14,   -14,    40,    24,    40,    28,    40,   -14,
-      32,    24,    46,    38,   -14,    39,   -14,   -14,    26,   -14,
-     -14,   -14,   -14,   -14,    -9,    10,   -14,   -14,   -14,   -14,
-     -14,   -14,    31,   -14,   -14,    44,    -2,     3,    23,   -14,
-     -14,   -14,   -14,   -14,    50,   -14,   -14,   -14,   -14,    40,
-     -14,   -14,    33,    40,    36,   -14
+      10,   -11,    18,    -1,   -12,    22,    -1,    15,    -1,   -12,
+      22,   -12,    20,     1,   -12,    17,   -12,   -12,    20,    20,
+     -12,     6,   -12,   -12,    21,     6,   -12,    23,     6,   -12,
+     -12,   -12,   -12,   -12,    28,   -12,   -12,    -6,    13,   -12,
+     -12,   -12,   -12,   -12,   -12,   -12,    24,   -12,   -12,    33,
+      -5,     0,    -4,   -12,   -12,   -12,   -12,   -12,   -12,   -12,
+     -12,    22,   -12,    25,    22,    19,   -12
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yytype_int8 yypgoto[] =
 {
-     -14,   -14,    48,    29,    53,   -14,   -13,    47,    34,   -14,
-      37,   -14,   -14,   -14,   -14,   -14,   -14,    42,   -14,    -7
+     -12,   -12,    36,    39,   -10,   -12,     8,   -12,    12,   -12,
+     -12,   -12,   -12,   -12,    27,    31
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -45
-static const yytype_int8 yytable[] =
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
 {
-      21,    16,    46,     8,    59,    47,    60,     9,    16,    61,
-      62,    28,    66,    33,    67,    10,    48,    13,    32,    63,
-      49,    50,    51,    52,    32,    17,    68,    19,    20,   -44,
-      53,   -44,    54,     1,   -44,     2,    26,    15,     2,    24,
-      41,     2,    34,    17,    15,    42,    19,    20,    69,    70,
-      35,    38,    39,    40,    58,    55,    72,    71,    73,    12,
-      74,    22,    75,    23,     0,     0,     0,     0,    36,     0,
-       0,     0,    43,    37
+      15,    53,     3,     5,    40,    54,    55,    41,    58,     6,
+      59,    24,    18,     1,    56,    19,    25,    42,     4,    61,
+      62,    60,    43,    44,    45,    46,    22,    23,     9,    12,
+      20,    47,    31,    48,    29,    16,    16,    32,    30,    34,
+      35,    39,    52,    66,    14,    11,    49,     0,    64,     0,
+       0,    63,     0,     0,    65,    36,    33
 };
 
 static const yytype_int8 yycheck[] =
 {
-      13,     8,    11,    14,     6,    14,     8,     0,    15,    11,
-      12,    24,     9,    26,    11,    16,    25,     4,    25,    21,
-      10,    11,    12,    13,    31,    17,    23,     6,     7,     5,
-      20,     4,    22,     3,     4,    11,    15,     8,    11,     4,
-      14,    11,    14,    17,    15,    19,     6,     7,    25,    26,
-      18,     5,    14,    14,    10,    24,    69,     7,    25,     6,
-      73,    14,    26,    15,    -1,    -1,    -1,    -1,    31,    -1,
-      -1,    -1,    38,    31
+      10,     6,    13,     4,    10,    10,    11,    13,     8,    10,
+      10,     5,    11,     3,    19,    14,    10,    23,     0,    23,
+      24,    21,     9,    10,    11,    12,    18,    19,     6,    14,
+      13,    18,    24,    20,    13,    15,    15,    25,    17,    16,
+      28,    13,     9,    24,     8,     6,    22,    -1,    23,    -1,
+      -1,    61,    -1,    -1,    64,    28,    25
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,     3,    11,    28,    30,    31,    32,    46,    14,     0,
-      16,    34,    31,     4,    29,    30,    46,    17,    35,     6,
-       7,    33,    34,    29,     4,    36,    15,    33,    33,    37,
-      44,    45,    46,    33,    14,    18,    37,    44,     5,    14,
-      14,    14,    19,    35,    38,    39,    11,    14,    25,    10,
-      11,    12,    13,    20,    22,    24,    40,    43,    10,     6,
-       8,    11,    12,    21,    41,    42,     9,    11,    23,    25,
-      26,     7,    33,    25,    33,    26
+       0,     3,    26,    13,     0,     4,    10,    27,    28,     6,
+      29,    28,    14,    30,    27,    29,    15,    31,    11,    14,
+      13,    32,    31,    31,     5,    10,    33,    39,    40,    13,
+      17,    31,    33,    40,    16,    33,    39,    34,    35,    13,
+      10,    13,    23,     9,    10,    11,    12,    18,    20,    22,
+      36,    38,     9,     6,    10,    11,    19,    37,     8,    10,
+      21,    23,    24,    29,    23,    29,    24
 };
 
 #define yyerrok         (yyerrstatus = 0)
@@ -728,7 +705,7 @@ do {									  \
     {                                                                     \
       YYFPRINTF (stderr, "%s ", Title);                                   \
       yy_symbol_print (stderr,                                            \
-                  Type, Value, Location); \
+                  Type, Value); \
       YYFPRINTF (stderr, "\n");                                           \
     }                                                                     \
 } while (YYID (0))
@@ -742,19 +719,17 @@ do {									  \
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
 #else
 static void
-yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
+yy_symbol_value_print (yyoutput, yytype, yyvaluep)
     FILE *yyoutput;
     int yytype;
     YYSTYPE const * const yyvaluep;
-    YYLTYPE const * const yylocationp;
 #endif
 {
   if (!yyvaluep)
     return;
-  YYUSE (yylocationp);
 # ifdef YYPRINT
   if (yytype < YYNTOKENS)
     YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
@@ -776,14 +751,13 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
 #else
 static void
-yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
+yy_symbol_print (yyoutput, yytype, yyvaluep)
     FILE *yyoutput;
     int yytype;
     YYSTYPE const * const yyvaluep;
-    YYLTYPE const * const yylocationp;
 #endif
 {
   if (yytype < YYNTOKENS)
@@ -791,9 +765,7 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
   else
     YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
 
-  YY_LOCATION_PRINT (yyoutput, *yylocationp);
-  YYFPRINTF (yyoutput, ": ");
-  yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp);
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
   YYFPRINTF (yyoutput, ")");
 }
 
@@ -805,17 +777,20 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
 #else
 static void
-yy_stack_print (bottom, top)
-    yytype_int16 *bottom;
-    yytype_int16 *top;
+yy_stack_print (yybottom, yytop)
+    yytype_int16 *yybottom;
+    yytype_int16 *yytop;
 #endif
 {
   YYFPRINTF (stderr, "Stack now");
-  for (; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
   YYFPRINTF (stderr, "\n");
 }
 
@@ -833,12 +808,11 @@ do {								\
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule)
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
 #else
 static void
-yy_reduce_print (yyvsp, yylsp, yyrule)
+yy_reduce_print (yyvsp, yyrule)
     YYSTYPE *yyvsp;
-    YYLTYPE *yylsp;
     int yyrule;
 #endif
 {
@@ -850,18 +824,18 @@ yy_reduce_print (yyvsp, yylsp, yyrule)
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
                        &(yyvsp[(yyi + 1) - (yynrhs)])
-                       , &(yylsp[(yyi + 1) - (yynrhs)])                );
-      fprintf (stderr, "\n");
+                                       );
+      YYFPRINTF (stderr, "\n");
     }
 }
 
 # define YY_REDUCE_PRINT(Rule)          \
 do {                                    \
   if (yydebug)                          \
-    yy_reduce_print (yyvsp, yylsp, Rule); \
+    yy_reduce_print (yyvsp, Rule); \
 } while (YYID (0))
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
@@ -1112,18 +1086,16 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
 #else
 static void
-yydestruct (yymsg, yytype, yyvaluep, yylocationp)
+yydestruct (yymsg, yytype, yyvaluep)
     const char *yymsg;
     int yytype;
     YYSTYPE *yyvaluep;
-    YYLTYPE *yylocationp;
 #endif
 {
   YYUSE (yyvaluep);
-  YYUSE (yylocationp);
 
   if (!yymsg)
     yymsg = "Deleting";
@@ -1136,10 +1108,8 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp)
         break;
     }
 }
-
 
 /* Prevent warnings from -Wmissing-prototypes.  */
-
 #ifdef YYPARSE_PARAM
 #if defined __STDC__ || defined __cplusplus
 int yyparse (void *YYPARSE_PARAM);
@@ -1155,23 +1125,20 @@ int yyparse ();
 #endif /* ! YYPARSE_PARAM */
 
 
-
-/* The look-ahead symbol.  */
+/* The lookahead symbol.  */
 int yychar;
 
-/* The semantic value of the look-ahead symbol.  */
+/* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
 int yynerrs;
-/* Location data for the look-ahead symbol.  */
-YYLTYPE yylloc;
 
 
 
-/*----------.
-| yyparse.  |
-`----------*/
+/*-------------------------.
+| yyparse or yypush_parse.  |
+`-------------------------*/
 
 #ifdef YYPARSE_PARAM
 #if (defined __STDC__ || defined __C99__FUNC__ \
@@ -1195,79 +1162,70 @@ yyparse ()
 #endif
 #endif
 {
-  
-  int yystate;
-  int yyn;
-  int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Look-ahead token as an internal (translated) token number.  */
-  int yytoken = 0;
-#if YYERROR_VERBOSE
-  /* Buffer for error messages, and its allocated size.  */
-  char yymsgbuf[128];
-  char *yymsg = yymsgbuf;
-  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
-#endif
 
-  /* Three stacks and their tools:
-     `yyss': related to states,
-     `yyvs': related to semantic values,
-     `yyls': related to locations.
 
-     Refer to the stacks thru separate pointers, to allow yyoverflow
-     to reallocate them elsewhere.  */
+    int yystate;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus;
 
-  /* The state stack.  */
-  yytype_int16 yyssa[YYINITDEPTH];
-  yytype_int16 *yyss = yyssa;
-  yytype_int16 *yyssp;
+    /* The stacks and their tools:
+       `yyss': related to states.
+       `yyvs': related to semantic values.
 
-  /* The semantic value stack.  */
-  YYSTYPE yyvsa[YYINITDEPTH];
-  YYSTYPE *yyvs = yyvsa;
-  YYSTYPE *yyvsp;
+       Refer to the stacks thru separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
 
-  /* The location stack.  */
-  YYLTYPE yylsa[YYINITDEPTH];
-  YYLTYPE *yyls = yylsa;
-  YYLTYPE *yylsp;
-  /* The locations where the error started and ended.  */
-  YYLTYPE yyerror_range[2];
+    /* The state stack.  */
+    yytype_int16 yyssa[YYINITDEPTH];
+    yytype_int16 *yyss;
+    yytype_int16 *yyssp;
 
-#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;
 
-  YYSIZE_T yystacksize = YYINITDEPTH;
+    YYSIZE_T yystacksize;
 
+  int yyn;
+  int yyresult;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yytoken;
   /* The variables used to return semantic value and location from the
      action routines.  */
   YYSTYPE yyval;
-  YYLTYPE yyloc;
+
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
 
   /* The number of symbols on the RHS of the reduced rule.
      Keep to zero when no symbol should be popped.  */
   int yylen = 0;
 
+  yytoken = 0;
+  yyss = yyssa;
+  yyvs = yyvsa;
+  yystacksize = YYINITDEPTH;
+
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
   yynerrs = 0;
-  yychar = YYEMPTY;             /* Cause a token to be read.  */
+  yychar = YYEMPTY; /* Cause a token to be read.  */
 
   /* Initialize stack pointers.
      Waste one element of value and location stack
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
-
   yyssp = yyss;
   yyvsp = yyvs;
-  yylsp = yyls;
-#if YYLTYPE_IS_TRIVIAL
-  /* Initialize the default location before parsing starts.  */
-  yylloc.first_line   = yylloc.last_line   = 1;
-  yylloc.first_column = yylloc.last_column = 0;
-#endif
 
   goto yysetstate;
 
@@ -1294,7 +1252,6 @@ yyparse ()
            memory.  */
         YYSTYPE *yyvs1 = yyvs;
         yytype_int16 *yyss1 = yyss;
-        YYLTYPE *yyls1 = yyls;
 
         /* Each stack pointer address is followed by the size of the
            data in use in that stack, in bytes.  This used to be a
@@ -1303,9 +1260,8 @@ yyparse ()
         yyoverflow (YY_("memory exhausted"),
                     &yyss1, yysize * sizeof (*yyssp),
                     &yyvs1, yysize * sizeof (*yyvsp),
-                    &yyls1, yysize * sizeof (*yylsp),
                     &yystacksize);
-        yyls = yyls1;
+
         yyss = yyss1;
         yyvs = yyvs1;
       }
@@ -1326,9 +1282,8 @@ yyparse ()
           (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
         if (! yyptr)
           goto yyexhaustedlab;
-        YYSTACK_RELOCATE (yyss);
-        YYSTACK_RELOCATE (yyvs);
-        YYSTACK_RELOCATE (yyls);
+        YYSTACK_RELOCATE (yyss_alloc, yyss);
+        YYSTACK_RELOCATE (yyvs_alloc, yyvs);
 #  undef YYSTACK_RELOCATE
         if (yyss1 != yyssa)
           YYSTACK_FREE (yyss1);
@@ -1338,7 +1293,6 @@ yyparse ()
 
       yyssp = yyss + yysize - 1;
       yyvsp = yyvs + yysize - 1;
-      yylsp = yyls + yysize - 1;
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
                   (unsigned long int) yystacksize));
@@ -1349,6 +1303,9 @@ yyparse ()
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
   goto yybackup;
 
 /*-----------.
@@ -1357,16 +1314,16 @@ yyparse ()
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
-     look-ahead token if we need one and don't already have one.  */
+     lookahead token if we need one and don't already have one.  */
 
-  /* First try to decide what to do without reference to look-ahead token.  */
+  /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a look-ahead token if don't already have one.  */
+  /* Not known => get a lookahead token if don't already have one.  */
 
-  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
@@ -1398,24 +1355,20 @@ yybackup:
       goto yyreduce;
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   /* Count tokens shifted since error; after three, turn off error
      status.  */
   if (yyerrstatus)
     yyerrstatus--;
 
-  /* Shift the look-ahead token.  */
+  /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
-  /* Discard the shifted token unless it is eof.  */
-  if (yychar != YYEOF)
-    yychar = YYEMPTY;
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
 
   yystate = yyn;
   *++yyvsp = yylval;
-  *++yylsp = yylloc;
+
   goto yynewstate;
 
 
@@ -1446,337 +1399,387 @@ yyreduce:
      GCC warning that YYVAL may be used uninitialized.  */
   yyval = yyvsp[1-yylen];
 
-  /* Default location.  */
-  YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
+
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
         case 2:
-#line 90 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 87 "dtc-parser.y"
     {
-                        the_boot_info = build_boot_info((yyvsp[(3) - (4)].re), (yyvsp[(4) - (4)].node), 0);
+                        the_boot_info = build_boot_info((yyvsp[(3) - (4)].re), (yyvsp[(4) - (4)].node),
+                                                        guess_boot_cpuid((yyvsp[(4) - (4)].node)));
                 ;}
     break;
 
   case 3:
-#line 94 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 95 "dtc-parser.y"
     {
-                        the_boot_info = build_boot_info((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].node), 0);
+                        (yyval.re) = NULL;
                 ;}
     break;
 
   case 4:
-#line 101 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 99 "dtc-parser.y"
     {
-                        (yyval.re) = NULL;
+                        (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re));
                 ;}
     break;
 
   case 5:
-#line 105 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 106 "dtc-parser.y"
     {
-                        (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re));
+                        (yyval.re) = build_reserve_entry((yyvsp[(2) - (4)].addr), (yyvsp[(3) - (4)].addr));
                 ;}
     break;
 
   case 6:
-#line 112 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 110 "dtc-parser.y"
     {
-                        (yyval.re) = build_reserve_entry((yyvsp[(3) - (5)].addr), (yyvsp[(4) - (5)].addr), (yyvsp[(1) - (5)].labelref));
+                        add_label(&(yyvsp[(2) - (2)].re)->labels, (yyvsp[(1) - (2)].labelref));
+                        (yyval.re) = (yyvsp[(2) - (2)].re);
                 ;}
     break;
 
   case 7:
-#line 119 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 118 "dtc-parser.y"
     {
-                        (yyval.re) = NULL;
+                        (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 0, 64);
                 ;}
     break;
 
   case 8:
-#line 123 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 125 "dtc-parser.y"
     {
-                        (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re));
+                        (yyval.node) = name_node((yyvsp[(2) - (2)].node), "");
                 ;}
     break;
 
   case 9:
-#line 130 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 129 "dtc-parser.y"
     {
-                        (yyval.re) = (yyvsp[(1) - (1)].re);
+                        (yyval.node) = merge_nodes((yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
                 ;}
     break;
 
   case 10:
-#line 134 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 133 "dtc-parser.y"
     {
-                        (yyval.re) = build_reserve_entry((yyvsp[(3) - (6)].addr), (yyvsp[(5) - (6)].addr) - (yyvsp[(3) - (6)].addr) + 1, (yyvsp[(1) - (6)].labelref));
+                        struct node *target = get_node_by_ref((yyvsp[(1) - (3)].node), (yyvsp[(2) - (3)].labelref));
+
+                        if (target)
+                                merge_nodes(target, (yyvsp[(3) - (3)].node));
+                        else
+                                print_error("label or path, '%s', not found", (yyvsp[(2) - (3)].labelref));
+                        (yyval.node) = (yyvsp[(1) - (3)].node);
                 ;}
     break;
 
   case 11:
-#line 141 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 146 "dtc-parser.y"
     {
-                        (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 0, 64);
+                        (yyval.node) = build_node((yyvsp[(2) - (5)].proplist), (yyvsp[(3) - (5)].nodelist));
                 ;}
     break;
 
   case 12:
-#line 145 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 153 "dtc-parser.y"
     {
-                        (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 16, 64);
+                        (yyval.proplist) = NULL;
                 ;}
     break;
 
   case 13:
-#line 152 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 157 "dtc-parser.y"
     {
-                        (yyval.node) = name_node((yyvsp[(2) - (2)].node), "", NULL);
+                        (yyval.proplist) = chain_property((yyvsp[(2) - (2)].prop), (yyvsp[(1) - (2)].proplist));
                 ;}
     break;
 
   case 14:
-#line 159 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 164 "dtc-parser.y"
     {
-                        (yyval.node) = build_node((yyvsp[(2) - (5)].proplist), (yyvsp[(3) - (5)].nodelist));
+                        (yyval.prop) = build_property((yyvsp[(1) - (4)].propnodename), (yyvsp[(3) - (4)].data));
                 ;}
     break;
 
   case 15:
-#line 166 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 168 "dtc-parser.y"
     {
-                        (yyval.proplist) = NULL;
+                        (yyval.prop) = build_property((yyvsp[(1) - (2)].propnodename), empty_data);
                 ;}
     break;
 
   case 16:
-#line 170 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 172 "dtc-parser.y"
     {
-                        (yyval.proplist) = chain_property((yyvsp[(2) - (2)].prop), (yyvsp[(1) - (2)].proplist));
+                        add_label(&(yyvsp[(2) - (2)].prop)->labels, (yyvsp[(1) - (2)].labelref));
+                        (yyval.prop) = (yyvsp[(2) - (2)].prop);
                 ;}
     break;
 
   case 17:
-#line 177 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 180 "dtc-parser.y"
     {
-                        (yyval.prop) = build_property((yyvsp[(2) - (5)].propnodename), (yyvsp[(4) - (5)].data), (yyvsp[(1) - (5)].labelref));
+                        (yyval.data) = data_merge((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].data));
                 ;}
     break;
 
   case 18:
-#line 181 "dtc-parser.y"
+
+/* Line 1455 of yacc.c  */
+#line 184 "dtc-parser.y"
     {
-                        (yyval.prop) = build_property((yyvsp[(2) - (3)].propnodename), empty_data, (yyvsp[(1) - (3)].labelref));
+                        (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data));
                 ;}
     break;
 
   case 19:
+
+/* Line 1455 of yacc.c  */
 #line 188 "dtc-parser.y"
     {
-                        (yyval.data) = data_merge((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].data));
+                        (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data));
                 ;}
     break;
 
   case 20:
+
+/* Line 1455 of yacc.c  */
 #line 192 "dtc-parser.y"
     {
-                        (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data));
+                        (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), REF_PATH, (yyvsp[(2) - (2)].labelref));
                 ;}
     break;
 
   case 21:
-#line 196 "dtc-parser.y"
-    {
-                        (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data));
-                ;}
-    break;
-
-  case 22:
-#line 200 "dtc-parser.y"
-    {
-                        (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), REF_PATH, (yyvsp[(2) - (2)].labelref));
-                ;}
-    break;
 
-  case 23:
-#line 204 "dtc-parser.y"
+/* Line 1455 of yacc.c  */
+#line 196 "dtc-parser.y"
     {
-                        struct search_path path = { srcpos_file->dir, NULL, NULL };
-                        struct dtc_file *file = dtc_open_file((yyvsp[(4) - (9)].data).val, &path);
-                        struct data d = empty_data;
+                        FILE *f = srcfile_relative_open((yyvsp[(4) - (9)].data).val, NULL);
+                        struct data d;
 
                         if ((yyvsp[(6) - (9)].addr) != 0)
-                                if (fseek(file->file, (yyvsp[(6) - (9)].addr), SEEK_SET) != 0)
-                                        yyerrorf("Couldn't seek to offset %llu in \"%s\": %s",
-                                                 (unsigned long long)(yyvsp[(6) - (9)].addr),
-                                                 (yyvsp[(4) - (9)].data).val, strerror(errno));
+                                if (fseek(f, (yyvsp[(6) - (9)].addr), SEEK_SET) != 0)
+                                        print_error("Couldn't seek to offset %llu in \"%s\": %s",
+                                                     (unsigned long long)(yyvsp[(6) - (9)].addr),
+                                                     (yyvsp[(4) - (9)].data).val,
+                                                     strerror(errno));
 
-                        d = data_copy_file(file->file, (yyvsp[(8) - (9)].addr));
+                        d = data_copy_file(f, (yyvsp[(8) - (9)].addr));
 
                         (yyval.data) = data_merge((yyvsp[(1) - (9)].data), d);
-                        dtc_close_file(file);
+                        fclose(f);
                 ;}
     break;
 
-  case 24:
-#line 221 "dtc-parser.y"
+  case 22:
+
+/* Line 1455 of yacc.c  */
+#line 213 "dtc-parser.y"
     {
-                        struct search_path path = { srcpos_file->dir, NULL, NULL };
-                        struct dtc_file *file = dtc_open_file((yyvsp[(4) - (5)].data).val, &path);
+                        FILE *f = srcfile_relative_open((yyvsp[(4) - (5)].data).val, NULL);
                         struct data d = empty_data;
 
-                        d = data_copy_file(file->file, -1);
+                        d = data_copy_file(f, -1);
 
                         (yyval.data) = data_merge((yyvsp[(1) - (5)].data), d);
-                        dtc_close_file(file);
+                        fclose(f);
                 ;}
     break;
 
-  case 25:
-#line 232 "dtc-parser.y"
+  case 23:
+
+/* Line 1455 of yacc.c  */
+#line 223 "dtc-parser.y"
     {
                         (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref));
                 ;}
     break;
 
-  case 26:
-#line 239 "dtc-parser.y"
+  case 24:
+
+/* Line 1455 of yacc.c  */
+#line 230 "dtc-parser.y"
     {
                         (yyval.data) = empty_data;
                 ;}
     break;
 
-  case 27:
-#line 243 "dtc-parser.y"
+  case 25:
+
+/* Line 1455 of yacc.c  */
+#line 234 "dtc-parser.y"
     {
                         (yyval.data) = (yyvsp[(1) - (2)].data);
                 ;}
     break;
 
-  case 28:
-#line 247 "dtc-parser.y"
+  case 26:
+
+/* Line 1455 of yacc.c  */
+#line 238 "dtc-parser.y"
     {
                         (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref));
                 ;}
     break;
 
-  case 29:
-#line 254 "dtc-parser.y"
+  case 27:
+
+/* Line 1455 of yacc.c  */
+#line 245 "dtc-parser.y"
     {
                         (yyval.data) = empty_data;
                 ;}
     break;
 
-  case 30:
-#line 258 "dtc-parser.y"
+  case 28:
+
+/* Line 1455 of yacc.c  */
+#line 249 "dtc-parser.y"
     {
                         (yyval.data) = data_append_cell((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].cell));
                 ;}
     break;
 
-  case 31:
-#line 262 "dtc-parser.y"
+  case 29:
+
+/* Line 1455 of yacc.c  */
+#line 253 "dtc-parser.y"
     {
                         (yyval.data) = data_append_cell(data_add_marker((yyvsp[(1) - (2)].data), REF_PHANDLE,
                                                               (yyvsp[(2) - (2)].labelref)), -1);
                 ;}
     break;
 
-  case 32:
-#line 267 "dtc-parser.y"
+  case 30:
+
+/* Line 1455 of yacc.c  */
+#line 258 "dtc-parser.y"
     {
                         (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref));
                 ;}
     break;
 
-  case 33:
-#line 274 "dtc-parser.y"
-    {
-                        (yyval.cbase) = 16;
-                ;}
-    break;
+  case 31:
 
-  case 35:
-#line 282 "dtc-parser.y"
+/* Line 1455 of yacc.c  */
+#line 265 "dtc-parser.y"
     {
                         (yyval.cell) = eval_literal((yyvsp[(1) - (1)].literal), 0, 32);
                 ;}
     break;
 
-  case 36:
-#line 286 "dtc-parser.y"
-    {
-                        (yyval.cell) = eval_literal((yyvsp[(2) - (2)].literal), (yyvsp[(1) - (2)].cbase), 32);
-                ;}
-    break;
+  case 32:
 
-  case 37:
-#line 293 "dtc-parser.y"
+/* Line 1455 of yacc.c  */
+#line 272 "dtc-parser.y"
     {
                         (yyval.data) = empty_data;
                 ;}
     break;
 
-  case 38:
-#line 297 "dtc-parser.y"
+  case 33:
+
+/* Line 1455 of yacc.c  */
+#line 276 "dtc-parser.y"
     {
                         (yyval.data) = data_append_byte((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].byte));
                 ;}
     break;
 
-  case 39:
-#line 301 "dtc-parser.y"
+  case 34:
+
+/* Line 1455 of yacc.c  */
+#line 280 "dtc-parser.y"
     {
                         (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref));
                 ;}
     break;
 
-  case 40:
-#line 308 "dtc-parser.y"
+  case 35:
+
+/* Line 1455 of yacc.c  */
+#line 287 "dtc-parser.y"
     {
                         (yyval.nodelist) = NULL;
                 ;}
     break;
 
-  case 41:
-#line 312 "dtc-parser.y"
+  case 36:
+
+/* Line 1455 of yacc.c  */
+#line 291 "dtc-parser.y"
     {
                         (yyval.nodelist) = chain_node((yyvsp[(1) - (2)].node), (yyvsp[(2) - (2)].nodelist));
                 ;}
     break;
 
-  case 42:
-#line 316 "dtc-parser.y"
+  case 37:
+
+/* Line 1455 of yacc.c  */
+#line 295 "dtc-parser.y"
     {
-                        yyerror("syntax error: properties must precede subnodes");
+                        print_error("syntax error: properties must precede subnodes");
                         YYERROR;
                 ;}
     break;
 
-  case 43:
-#line 324 "dtc-parser.y"
-    {
-                        (yyval.node) = name_node((yyvsp[(3) - (3)].node), (yyvsp[(2) - (3)].propnodename), (yyvsp[(1) - (3)].labelref));
-                ;}
-    break;
+  case 38:
 
-  case 44:
-#line 331 "dtc-parser.y"
+/* Line 1455 of yacc.c  */
+#line 303 "dtc-parser.y"
     {
-                        (yyval.labelref) = NULL;
+                        (yyval.node) = name_node((yyvsp[(2) - (2)].node), (yyvsp[(1) - (2)].propnodename));
                 ;}
     break;
 
-  case 45:
-#line 335 "dtc-parser.y"
+  case 39:
+
+/* Line 1455 of yacc.c  */
+#line 307 "dtc-parser.y"
     {
-                        (yyval.labelref) = (yyvsp[(1) - (1)].labelref);
+                        add_label(&(yyvsp[(2) - (2)].node)->labels, (yyvsp[(1) - (2)].labelref));
+                        (yyval.node) = (yyvsp[(2) - (2)].node);
                 ;}
     break;
 
 
-/* Line 1267 of yacc.c.  */
-#line 1780 "dtc-parser.tab.c"
+
+/* Line 1455 of yacc.c  */
+#line 1783 "dtc-parser.tab.c"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -1786,7 +1789,6 @@ yyreduce:
   YY_STACK_PRINT (yyss, yyssp);
 
   *++yyvsp = yyval;
-  *++yylsp = yyloc;
 
   /* Now `shift' the result of the reduction.  Determine what state
      that goes to, based on the state we popped back to and the rule
@@ -1848,11 +1850,11 @@ yyerrlab:
 #endif
     }
 
-  yyerror_range[0] = yylloc;
+
 
   if (yyerrstatus == 3)
     {
-      /* If just tried and failed to reuse look-ahead token after an
+      /* If just tried and failed to reuse lookahead token after an
          error, discard it.  */
 
       if (yychar <= YYEOF)
@@ -1864,12 +1866,12 @@ yyerrlab:
       else
         {
           yydestruct ("Error: discarding",
-                      yytoken, &yylval, &yylloc);
+                      yytoken, &yylval);
           yychar = YYEMPTY;
         }
     }
 
-  /* Else will try to reuse look-ahead token after shifting the error
+  /* Else will try to reuse lookahead token after shifting the error
      token.  */
   goto yyerrlab1;
 
@@ -1885,7 +1887,6 @@ yyerrorlab:
   if (/*CONSTCOND*/ 0)
      goto yyerrorlab;
 
-  yyerror_range[0] = yylsp[1-yylen];
   /* Do not reclaim the symbols of the rule which action triggered
      this YYERROR.  */
   YYPOPSTACK (yylen);
@@ -1919,24 +1920,16 @@ yyerrlab1:
       if (yyssp == yyss)
         YYABORT;
 
-      yyerror_range[0] = *yylsp;
+
       yydestruct ("Error: popping",
-                  yystos[yystate], yyvsp, yylsp);
+                  yystos[yystate], yyvsp);
       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   *++yyvsp = yylval;
 
-  yyerror_range[1] = yylloc;
-  /* Using YYLLOC is tempting, but would change the location of
-     the look-ahead.  YYLOC is available though.  */
-  YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
-  *++yylsp = yyloc;
 
   /* Shift the error token.  */
   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
@@ -1959,7 +1952,7 @@ yyabortlab:
   yyresult = 1;
   goto yyreturn;
 
-#ifndef yyoverflow
+#if !defined(yyoverflow) || YYERROR_VERBOSE
 /*-------------------------------------------------.
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/
@@ -1970,9 +1963,9 @@ yyexhaustedlab:
 #endif
 
 yyreturn:
-  if (yychar != YYEOF && yychar != YYEMPTY)
+  if (yychar != YYEMPTY)
      yydestruct ("Cleanup: discarding lookahead",
-                 yytoken, &yylval, &yylloc);
+                 yytoken, &yylval);
   /* Do not reclaim the symbols of the rule which action triggered
      this YYABORT or YYACCEPT.  */
   YYPOPSTACK (yylen);
@@ -1980,7 +1973,7 @@ yyreturn:
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",
-                  yystos[*yyssp], yyvsp, yylsp);
+                  yystos[*yyssp], yyvsp);
       YYPOPSTACK (1);
     }
 #ifndef yyoverflow
@@ -1996,29 +1989,24 @@ yyreturn:
 }
 
 
-#line 340 "dtc-parser.y"
+
+/* Line 1675 of yacc.c  */
+#line 313 "dtc-parser.y"
 
 
-void yyerrorf(char const *s, ...)
+void print_error(char const *fmt, ...)
 {
-        const char *fname = srcpos_file ? srcpos_file->name : "<no-file>";
         va_list va;
-        va_start(va, s);
-
-        if (strcmp(fname, "-") == 0)
-                fname = "stdin";
 
-        fprintf(stderr, "%s:%d ", fname, yylloc.first_line);
-        vfprintf(stderr, s, va);
-        fprintf(stderr, "\n");
+        va_start(va, fmt);
+        srcpos_verror(&yylloc, fmt, va);
+        va_end(va);
 
         treesource_error = 1;
-        va_end(va);
 }
 
-void yyerror (char const *s)
-{
-        yyerrorf("%s", s);
+void yyerror(char const *s) {
+        print_error("%s", s);
 }
 
 static unsigned long long eval_literal(const char *s, int base, int bits)
@@ -2029,12 +2017,12 @@ static unsigned long long eval_literal(const char *s, int base, int bits)
         errno = 0;
         val = strtoull(s, &e, base);
         if (*e)
-                yyerror("bad characters in literal");
+                print_error("bad characters in literal");
         else if ((errno == ERANGE)
                  || ((bits < 64) && (val >= (1ULL << bits))))
-                yyerror("literal out of range");
+                print_error("literal out of range");
         else if (errno != 0)
-                yyerror("bad literal");
+                print_error("bad literal");
         return val;
 }
 
diff --git a/scripts/dtc/dtc-parser.tab.h_shipped b/scripts/dtc/dtc-parser.tab.h_shipped
index ba99100d55c..95c9547adea 100644
--- a/scripts/dtc/dtc-parser.tab.h_shipped
+++ b/scripts/dtc/dtc-parser.tab.h_shipped
@@ -1,24 +1,23 @@
-/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton interface for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.4.1.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton interface for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+   
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -29,10 +28,11 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
+
 /* Tokens.  */
 #ifndef YYTOKENTYPE
 # define YYTOKENTYPE
@@ -43,35 +43,24 @@
      DT_MEMRESERVE = 259,
      DT_PROPNODENAME = 260,
      DT_LITERAL = 261,
-     DT_LEGACYLITERAL = 262,
-     DT_BASE = 263,
-     DT_BYTE = 264,
-     DT_STRING = 265,
-     DT_LABEL = 266,
-     DT_REF = 267,
-     DT_INCBIN = 268
+     DT_BASE = 262,
+     DT_BYTE = 263,
+     DT_STRING = 264,
+     DT_LABEL = 265,
+     DT_REF = 266,
+     DT_INCBIN = 267
    };
 #endif
-/* Tokens.  */
-#define DT_V1 258
-#define DT_MEMRESERVE 259
-#define DT_PROPNODENAME 260
-#define DT_LITERAL 261
-#define DT_LEGACYLITERAL 262
-#define DT_BASE 263
-#define DT_BYTE 264
-#define DT_STRING 265
-#define DT_LABEL 266
-#define DT_REF 267
-#define DT_INCBIN 268
-
 
 
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 37 "dtc-parser.y"
 {
+
+/* Line 1676 of yacc.c  */
+#line 39 "dtc-parser.y"
+
         char *propnodename;
         char *literal;
         char *labelref;
@@ -86,28 +75,17 @@ typedef union YYSTYPE
         struct node *node;
         struct node *nodelist;
         struct reserve_info *re;
-}
-/* Line 1489 of yacc.c.  */
-#line 92 "dtc-parser.tab.h"
-        YYSTYPE;
+
+
+
+/* Line 1676 of yacc.c  */
+#line 83 "dtc-parser.tab.h"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
 #endif
 
 extern YYSTYPE yylval;
 
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
-  int first_line;
-  int first_column;
-  int last_line;
-  int last_column;
-} YYLTYPE;
-# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
-#endif
 
-extern YYLTYPE yylloc;
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y
index b2ab562420e..5e84a67fc1d 100644
--- a/scripts/dtc/dtc-parser.y
+++ b/scripts/dtc/dtc-parser.y
@@ -18,15 +18,17 @@
  *                                                                   USA
  */
 
-%locations
-
 %{
 #include <stdio.h>
 
 #include "dtc.h"
 #include "srcpos.h"
 
+YYLTYPE yylloc;
+
 extern int yylex(void);
+extern void print_error(char const *fmt, ...);
+extern void yyerror(char const *s);
 
 extern struct boot_info *the_boot_info;
 extern int treesource_error;
@@ -55,7 +57,6 @@ static unsigned long long eval_literal(const char *s, int base, int bits);
 %token DT_MEMRESERVE
 %token <propnodename> DT_PROPNODENAME
 %token <literal> DT_LITERAL
-%token <literal> DT_LEGACYLITERAL
 %token <cbase> DT_BASE
 %token <byte> DT_BYTE
 %token <data> DT_STRING
@@ -67,11 +68,8 @@ static unsigned long long eval_literal(const char *s, int base, int bits);
 %type <data> propdataprefix
 %type <re> memreserve
 %type <re> memreserves
-%type <re> v0_memreserve
-%type <re> v0_memreserves
 %type <addr> addr
 %type <data> celllist
-%type <cbase> cellbase
 %type <cell> cellval
 %type <data> bytestring
 %type <prop> propdef
@@ -81,18 +79,14 @@ static unsigned long long eval_literal(const char *s, int base, int bits);
 %type <node> nodedef
 %type <node> subnode
 %type <nodelist> subnodes
-%type <labelref> label
 
 %%
 
 sourcefile:
           DT_V1 ';' memreserves devicetree
                 {
-                        the_boot_info = build_boot_info($3, $4, 0);
-                }
-        | v0_memreserves devicetree
-                {
-                        the_boot_info = build_boot_info($1, $2, 0);
+                        the_boot_info = build_boot_info($3, $4,
+                                                        guess_boot_cpuid($4));
                 }
         ;
 
@@ -108,31 +102,14 @@ memreserves:
         ;
 
 memreserve:
-          label DT_MEMRESERVE addr addr ';'
+          DT_MEMRESERVE addr addr ';'
                 {
-                        $$ = build_reserve_entry($3, $4, $1);
+                        $$ = build_reserve_entry($2, $3);
                 }
-        ;
-
-v0_memreserves:
-          /* empty */
+        | DT_LABEL memreserve
                 {
-                        $$ = NULL;
-                }
-        | v0_memreserve v0_memreserves
-                {
-                        $$ = chain_reserve_entry($1, $2);
-                };
-        ;
-
-v0_memreserve:
-          memreserve
-                {
-                        $$ = $1;
-                }
-        | label DT_MEMRESERVE addr '-' addr ';'
-                {
-                        $$ = build_reserve_entry($3, $5 - $3 + 1, $1);
+                        add_label(&$2->labels, $1);
+                        $$ = $2;
                 }
         ;
 
@@ -141,16 +118,26 @@ addr:
                 {
                         $$ = eval_literal($1, 0, 64);
                 }
-        | DT_LEGACYLITERAL
-                {
-                        $$ = eval_literal($1, 16, 64);
-                }
           ;
 
 devicetree:
           '/' nodedef
                 {
-                        $$ = name_node($2, "", NULL);
+                        $$ = name_node($2, "");
+                }
+        | devicetree '/' nodedef
+                {
+                        $$ = merge_nodes($1, $3);
+                }
+        | devicetree DT_REF nodedef
+                {
+                        struct node *target = get_node_by_ref($1, $2);
+
+                        if (target)
+                                merge_nodes(target, $3);
+                        else
+                                print_error("label or path, '%s', not found", $2);
+                        $$ = $1;
                 }
         ;
 
@@ -173,13 +160,18 @@ proplist:
         ;
 
 propdef:
-          label DT_PROPNODENAME '=' propdata ';'
+          DT_PROPNODENAME '=' propdata ';'
+                {
+                        $$ = build_property($1, $3);
+                }
+        | DT_PROPNODENAME ';'
                 {
-                        $$ = build_property($2, $4, $1);
+                        $$ = build_property($1, empty_data);
                 }
-        | label DT_PROPNODENAME ';'
+        | DT_LABEL propdef
                 {
-                        $$ = build_property($2, empty_data, $1);
+                        add_label(&$2->labels, $1);
+                        $$ = $2;
                 }
         ;
 
@@ -202,31 +194,30 @@ propdata:
                 }
         | propdataprefix DT_INCBIN '(' DT_STRING ',' addr ',' addr ')'
                 {
-                        struct search_path path = { srcpos_file->dir, NULL, NULL };
-                        struct dtc_file *file = dtc_open_file($4.val, &path);
-                        struct data d = empty_data;
+                        FILE *f = srcfile_relative_open($4.val, NULL);
+                        struct data d;
 
                         if ($6 != 0)
-                                if (fseek(file->file, $6, SEEK_SET) != 0)
-                                        yyerrorf("Couldn't seek to offset %llu in \"%s\": %s",
-                                                 (unsigned long long)$6,
-                                                 $4.val, strerror(errno));
+                                if (fseek(f, $6, SEEK_SET) != 0)
+                                        print_error("Couldn't seek to offset %llu in \"%s\": %s",
+                                                     (unsigned long long)$6,
+                                                     $4.val,
+                                                     strerror(errno));
 
-                        d = data_copy_file(file->file, $8);
+                        d = data_copy_file(f, $8);
 
                         $$ = data_merge($1, d);
-                        dtc_close_file(file);
+                        fclose(f);
                 }
         | propdataprefix DT_INCBIN '(' DT_STRING ')'
                 {
-                        struct search_path path = { srcpos_file->dir, NULL, NULL };
-                        struct dtc_file *file = dtc_open_file($4.val, &path);
+                        FILE *f = srcfile_relative_open($4.val, NULL);
                         struct data d = empty_data;
 
-                        d = data_copy_file(file->file, -1);
+                        d = data_copy_file(f, -1);
 
                         $$ = data_merge($1, d);
-                        dtc_close_file(file);
+                        fclose(f);
                 }
         | propdata DT_LABEL
                 {
@@ -269,23 +260,11 @@ celllist:
                 }
         ;
 
-cellbase:
-          /* empty */
-                {
-                        $$ = 16;
-                }
-        | DT_BASE
-        ;
-
 cellval:
           DT_LITERAL
                 {
                         $$ = eval_literal($1, 0, 32);
                 }
-        | cellbase DT_LEGACYLITERAL
-                {
-                        $$ = eval_literal($2, $1, 32);
-                }
         ;
 
 bytestring:
@@ -308,57 +287,44 @@ subnodes:
                 {
                         $$ = NULL;
                 }
-        |  subnode subnodes
+        | subnode subnodes
                 {
                         $$ = chain_node($1, $2);
                 }
         | subnode propdef
                 {
-                        yyerror("syntax error: properties must precede subnodes");
+                        print_error("syntax error: properties must precede subnodes");
                         YYERROR;
                 }
         ;
 
 subnode:
-          label DT_PROPNODENAME nodedef
+          DT_PROPNODENAME nodedef
                 {
-                        $$ = name_node($3, $2, $1);
+                        $$ = name_node($2, $1);
                 }
-        ;
-
-label:
-          /* empty */
+        | DT_LABEL subnode
                 {
-                        $$ = NULL;
-                }
-        | DT_LABEL
-                {
-                        $$ = $1;
+                        add_label(&$2->labels, $1);
+                        $$ = $2;
                 }
         ;
 
 %%
 
-void yyerrorf(char const *s, ...)
+void print_error(char const *fmt, ...)
 {
-        const char *fname = srcpos_file ? srcpos_file->name : "<no-file>";
         va_list va;
-        va_start(va, s);
-
-        if (strcmp(fname, "-") == 0)
-                fname = "stdin";
 
-        fprintf(stderr, "%s:%d ", fname, yylloc.first_line);
-        vfprintf(stderr, s, va);
-        fprintf(stderr, "\n");
+        va_start(va, fmt);
+        srcpos_verror(&yylloc, fmt, va);
+        va_end(va);
 
         treesource_error = 1;
-        va_end(va);
 }
 
-void yyerror (char const *s)
-{
-        yyerrorf("%s", s);
+void yyerror(char const *s) {
+        print_error("%s", s);
 }
 
 static unsigned long long eval_literal(const char *s, int base, int bits)
@@ -369,11 +335,11 @@ static unsigned long long eval_literal(const char *s, int base, int bits)
         errno = 0;
         val = strtoull(s, &e, base);
         if (*e)
-                yyerror("bad characters in literal");
+                print_error("bad characters in literal");
         else if ((errno == ERANGE)
                  || ((bits < 64) && (val >= (1ULL << bits))))
-                yyerror("literal out of range");
+                print_error("literal out of range");
         else if (errno != 0)
-                yyerror("bad literal");
+                print_error("bad literal");
         return val;
 }
diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c
index d8fd43b4ac1..cbc0193098e 100644
--- a/scripts/dtc/dtc.c
+++ b/scripts/dtc/dtc.c
@@ -30,30 +30,7 @@ int quiet;		/* Level of quietness */
 int reservenum;         /* Number of memory reservation slots */
 int minsize;            /* Minimum blob size */
 int padsize;            /* Additional padding to blob */
-
-char *join_path(const char *path, const char *name)
-{
-        int lenp = strlen(path);
-        int lenn = strlen(name);
-        int len;
-        int needslash = 1;
-        char *str;
-
-        len = lenp + lenn + 2;
-        if ((lenp > 0) && (path[lenp-1] == '/')) {
-                needslash = 0;
-                len--;
-        }
-
-        str = xmalloc(len);
-        memcpy(str, path, lenp);
-        if (needslash) {
-                str[lenp] = '/';
-                lenp++;
-        }
-        memcpy(str+lenp, name, lenn+1);
-        return str;
-}
+int phandle_format = PHANDLE_BOTH;      /* Use linux,phandle or phandle properties */
 
 static void fill_fullpaths(struct node *tree, const char *prefix)
 {
@@ -104,8 +81,15 @@ static void  __attribute__ ((noreturn)) usage(void)
         fprintf(stderr, "\t\tSet the physical boot cpu\n");
         fprintf(stderr, "\t-f\n");
         fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
+        fprintf(stderr, "\t-s\n");
+        fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
         fprintf(stderr, "\t-v\n");
         fprintf(stderr, "\t\tPrint DTC version and exit\n");
+        fprintf(stderr, "\t-H <phandle format>\n");
+        fprintf(stderr, "\t\tphandle formats are:\n");
+        fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
+        fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
+        fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
         exit(3);
 }
 
@@ -115,7 +99,7 @@ int main(int argc, char *argv[])
         const char *inform = "dts";
         const char *outform = "dts";
         const char *outname = "-";
-        int force = 0, check = 0;
+        int force = 0, check = 0, sort = 0;
         const char *arg;
         int opt;
         FILE *outf = NULL;
@@ -127,7 +111,7 @@ int main(int argc, char *argv[])
         minsize    = 0;
         padsize    = 0;
 
-        while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) {
+        while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:vH:s")) != EOF) {
                 switch (opt) {
                 case 'I':
                         inform = optarg;
@@ -165,6 +149,22 @@ int main(int argc, char *argv[])
                 case 'v':
                         printf("Version: %s\n", DTC_VERSION);
                         exit(0);
+                case 'H':
+                        if (streq(optarg, "legacy"))
+                                phandle_format = PHANDLE_LEGACY;
+                        else if (streq(optarg, "epapr"))
+                                phandle_format = PHANDLE_EPAPR;
+                        else if (streq(optarg, "both"))
+                                phandle_format = PHANDLE_BOTH;
+                        else
+                                die("Invalid argument \"%s\" to -H option\n",
+                                    optarg);
+                        break;
+
+                case 's':
+                        sort = 1;
+                        break;
+
                 case 'h':
                 default:
                         usage();
@@ -182,6 +182,9 @@ int main(int argc, char *argv[])
         if (minsize && padsize)
                 die("Can't set both -p and -S\n");
 
+        if (minsize)
+                fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
+
         fprintf(stderr, "DTC: %s->%s  on file \"%s\"\n",
                 inform, outform, arg);
 
@@ -200,6 +203,8 @@ int main(int argc, char *argv[])
         fill_fullpaths(bi->dt, "");
         process_checks(force, bi);
 
+        if (sort)
+                sort_tree(bi);
 
         if (streq(outname, "-")) {
                 outf = stdout;
diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h
index 08d54c87008..f37c97eb3df 100644
--- a/scripts/dtc/dtc.h
+++ b/scripts/dtc/dtc.h
@@ -34,7 +34,17 @@
 #include <libfdt_env.h>
 #include <fdt.h>
 
+#include "util.h"
+
+#ifdef DEBUG
+#define debug(fmt,args...)      printf(fmt, ##args)
+#else
+#define debug(fmt,args...)
+#endif
+
+
 #define DEFAULT_FDT_VERSION     17
+
 /*
  * Command line options
  */
@@ -42,36 +52,11 @@ extern int quiet;		/* Level of quietness */
 extern int reservenum;          /* Number of memory reservation slots */
 extern int minsize;             /* Minimum blob size */
 extern int padsize;             /* Additional padding to blob */
+extern int phandle_format;      /* Use linux,phandle or phandle properties */
 
-static inline void __attribute__((noreturn)) die(char * str, ...)
-{
-        va_list ap;
-
-        va_start(ap, str);
-        fprintf(stderr, "FATAL ERROR: ");
-        vfprintf(stderr, str, ap);
-        exit(1);
-}
-
-static inline void *xmalloc(size_t len)
-{
-        void *new = malloc(len);
-
-        if (! new)
-                die("malloc() failed\n");
-
-        return new;
-}
-
-static inline void *xrealloc(void *p, size_t len)
-{
-        void *new = realloc(p, len);
-
-        if (! new)
-                die("realloc() failed (len=%d)\n", len);
-
-        return new;
-}
+#define PHANDLE_LEGACY  0x1
+#define PHANDLE_EPAPR   0x2
+#define PHANDLE_BOTH    0x3
 
 typedef uint32_t cell_t;
 
@@ -140,13 +125,18 @@ int data_is_one_string(struct data d);
 #define MAX_NODENAME_LEN        31
 
 /* Live trees */
+struct label {
+        char *label;
+        struct label *next;
+};
+
 struct property {
         char *name;
         struct data val;
 
         struct property *next;
 
-        char *label;
+        struct label *labels;
 };
 
 struct node {
@@ -163,22 +153,28 @@ struct node {
         cell_t phandle;
         int addr_cells, size_cells;
 
-        char *label;
+        struct label *labels;
 };
 
+#define for_each_label(l0, l) \
+        for ((l) = (l0); (l); (l) = (l)->next)
+
 #define for_each_property(n, p) \
         for ((p) = (n)->proplist; (p); (p) = (p)->next)
 
 #define for_each_child(n, c)    \
         for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
 
-struct property *build_property(char *name, struct data val, char *label);
+void add_label(struct label **labels, char *label);
+
+struct property *build_property(char *name, struct data val);
 struct property *chain_property(struct property *first, struct property *list);
 struct property *reverse_properties(struct property *first);
 
 struct node *build_node(struct property *proplist, struct node *children);
-struct node *name_node(struct node *node, char *name, char *label);
+struct node *name_node(struct node *node, char *name);
 struct node *chain_node(struct node *first, struct node *list);
+struct node *merge_nodes(struct node *old_node, struct node *new_node);
 
 void add_property(struct node *node, struct property *prop);
 void add_child(struct node *parent, struct node *child);
@@ -186,6 +182,10 @@ void add_child(struct node *parent, struct node *child);
 const char *get_unitname(struct node *node);
 struct property *get_property(struct node *node, const char *propname);
 cell_t propval_cell(struct property *prop);
+struct property *get_property_by_label(struct node *tree, const char *label,
+                                       struct node **node);
+struct marker *get_marker_label(struct node *tree, const char *label,
+                                struct node **node, struct property **prop);
 struct node *get_subnode(struct node *node, const char *nodename);
 struct node *get_node_by_path(struct node *tree, const char *path);
 struct node *get_node_by_label(struct node *tree, const char *label);
@@ -193,6 +193,8 @@ struct node *get_node_by_phandle(struct node *tree, cell_t phandle);
 struct node *get_node_by_ref(struct node *tree, const char *ref);
 cell_t get_node_phandle(struct node *root, struct node *node);
 
+uint32_t guess_boot_cpuid(struct node *tree);
+
 /* Boot info (tree plus memreserve information */
 
 struct reserve_info {
@@ -200,10 +202,10 @@ struct reserve_info {
 
         struct reserve_info *next;
 
-        char *label;
+        struct label *labels;
 };
 
-struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len, char *label);
+struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len);
 struct reserve_info *chain_reserve_entry(struct reserve_info *first,
                                          struct reserve_info *list);
 struct reserve_info *add_reserve_entry(struct reserve_info *list,
@@ -218,6 +220,7 @@ struct boot_info {
 
 struct boot_info *build_boot_info(struct reserve_info *reservelist,
                                   struct node *tree, uint32_t boot_cpuid_phys);
+void sort_tree(struct boot_info *bi);
 
 /* Checks */
 
@@ -239,8 +242,4 @@ struct boot_info *dt_from_source(const char *f);
 
 struct boot_info *dt_from_fs(const char *dirname);
 
-/* misc */
-
-char *join_path(const char *path, const char *name);
-
 #endif /* _DTC_H */
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index 76acd28c068..ead0332c87e 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -52,9 +52,9 @@ struct emitter {
         void (*string)(void *, char *, int);
         void (*align)(void *, int);
         void (*data)(void *, struct data);
-        void (*beginnode)(void *, const char *);
-        void (*endnode)(void *, const char *);
-        void (*property)(void *, const char *);
+        void (*beginnode)(void *, struct label *labels);
+        void (*endnode)(void *, struct label *labels);
+        void (*property)(void *, struct label *labels);
 };
 
 static void bin_emit_cell(void *e, cell_t val)
@@ -89,17 +89,17 @@ static void bin_emit_data(void *e, struct data d)
         *dtbuf = data_append_data(*dtbuf, d.val, d.len);
 }
 
-static void bin_emit_beginnode(void *e, const char *label)
+static void bin_emit_beginnode(void *e, struct label *labels)
 {
         bin_emit_cell(e, FDT_BEGIN_NODE);
 }
 
-static void bin_emit_endnode(void *e, const char *label)
+static void bin_emit_endnode(void *e, struct label *labels)
 {
         bin_emit_cell(e, FDT_END_NODE);
 }
 
-static void bin_emit_property(void *e, const char *label)
+static void bin_emit_property(void *e, struct label *labels)
 {
         bin_emit_cell(e, FDT_PROP);
 }
@@ -127,11 +127,21 @@ static void emit_offset_label(FILE *f, const char *label, int offset)
         fprintf(f, "%s\t= . + %d\n", label, offset);
 }
 
+#define ASM_EMIT_BELONG(f, fmt, ...) \
+        { \
+                fprintf((f), "\t.byte\t((" fmt ") >> 24) & 0xff\n", __VA_ARGS__); \
+                fprintf((f), "\t.byte\t((" fmt ") >> 16) & 0xff\n", __VA_ARGS__); \
+                fprintf((f), "\t.byte\t((" fmt ") >> 8) & 0xff\n", __VA_ARGS__); \
+                fprintf((f), "\t.byte\t(" fmt ") & 0xff\n", __VA_ARGS__); \
+        }
+
 static void asm_emit_cell(void *e, cell_t val)
 {
         FILE *f = e;
 
-        fprintf(f, "\t.long\t0x%x\n", val);
+        fprintf(f, "\t.byte 0x%02x; .byte 0x%02x; .byte 0x%02x; .byte 0x%02x\n",
+                (val >> 24) & 0xff, (val >> 16) & 0xff,
+                (val >> 8) & 0xff, val & 0xff);
 }
 
 static void asm_emit_string(void *e, char *str, int len)
@@ -156,7 +166,7 @@ static void asm_emit_align(void *e, int a)
 {
         FILE *f = e;
 
-        fprintf(f, "\t.balign\t%d\n", a);
+        fprintf(f, "\t.balign\t%d, 0\n", a);
 }
 
 static void asm_emit_data(void *e, struct data d)
@@ -169,8 +179,7 @@ static void asm_emit_data(void *e, struct data d)
                 emit_offset_label(f, m->ref, m->offset);
 
         while ((d.len - off) >= sizeof(uint32_t)) {
-                fprintf(f, "\t.long\t0x%x\n",
-                        fdt32_to_cpu(*((uint32_t *)(d.val+off))));
+                asm_emit_cell(e, fdt32_to_cpu(*((uint32_t *)(d.val+off))));
                 off += sizeof(uint32_t);
         }
 
@@ -182,37 +191,43 @@ static void asm_emit_data(void *e, struct data d)
         assert(off == d.len);
 }
 
-static void asm_emit_beginnode(void *e, const char *label)
+static void asm_emit_beginnode(void *e, struct label *labels)
 {
         FILE *f = e;
+        struct label *l;
 
-        if (label) {
-                fprintf(f, "\t.globl\t%s\n", label);
-                fprintf(f, "%s:\n", label);
+        for_each_label(labels, l) {
+                fprintf(f, "\t.globl\t%s\n", l->label);
+                fprintf(f, "%s:\n", l->label);
         }
-        fprintf(f, "\t.long\tFDT_BEGIN_NODE\n");
+        fprintf(f, "\t/* FDT_BEGIN_NODE */\n");
+        asm_emit_cell(e, FDT_BEGIN_NODE);
 }
 
-static void asm_emit_endnode(void *e, const char *label)
+static void asm_emit_endnode(void *e, struct label *labels)
 {
         FILE *f = e;
+        struct label *l;
 
-        fprintf(f, "\t.long\tFDT_END_NODE\n");
-        if (label) {
-                fprintf(f, "\t.globl\t%s_end\n", label);
-                fprintf(f, "%s_end:\n", label);
+        fprintf(f, "\t/* FDT_END_NODE */\n");
+        asm_emit_cell(e, FDT_END_NODE);
+        for_each_label(labels, l) {
+                fprintf(f, "\t.globl\t%s_end\n", l->label);
+                fprintf(f, "%s_end:\n", l->label);
         }
 }
 
-static void asm_emit_property(void *e, const char *label)
+static void asm_emit_property(void *e, struct label *labels)
 {
         FILE *f = e;
+        struct label *l;
 
-        if (label) {
-                fprintf(f, "\t.globl\t%s\n", label);
-                fprintf(f, "%s:\n", label);
+        for_each_label(labels, l) {
+                fprintf(f, "\t.globl\t%s\n", l->label);
+                fprintf(f, "%s:\n", l->label);
         }
-        fprintf(f, "\t.long\tFDT_PROP\n");
+        fprintf(f, "\t/* FDT_PROP */\n");
+        asm_emit_cell(e, FDT_PROP);
 }
 
 static struct emitter asm_emitter = {
@@ -248,7 +263,7 @@ static void flatten_tree(struct node *tree, struct emitter *emit,
         struct node *child;
         int seen_name_prop = 0;
 
-        emit->beginnode(etarget, tree->label);
+        emit->beginnode(etarget, tree->labels);
 
         if (vi->flags & FTF_FULLPATH)
                 emit->string(etarget, tree->fullpath, 0);
@@ -265,7 +280,7 @@ static void flatten_tree(struct node *tree, struct emitter *emit,
 
                 nameoff = stringtable_insert(strbuf, prop->name);
 
-                emit->property(etarget, prop->label);
+                emit->property(etarget, prop->labels);
                 emit->cell(etarget, prop->val.len);
                 emit->cell(etarget, nameoff);
 
@@ -292,7 +307,7 @@ static void flatten_tree(struct node *tree, struct emitter *emit,
                 flatten_tree(child, emit, etarget, strbuf, vi);
         }
 
-        emit->endnode(etarget, tree->label);
+        emit->endnode(etarget, tree->labels);
 }
 
 static struct data flatten_reserve_list(struct reserve_info *reservelist,
@@ -413,10 +428,13 @@ void dt_to_blob(FILE *f, struct boot_info *bi, int version)
         if (padlen > 0)
                 blob = data_append_zeroes(blob, padlen);
 
-        fwrite(blob.val, blob.len, 1, f);
-
-        if (ferror(f))
-                die("Error writing device tree blob: %s\n", strerror(errno));
+        if (fwrite(blob.val, blob.len, 1, f) != 1) {
+                if (ferror(f))
+                        die("Error writing device tree blob: %s\n",
+                            strerror(errno));
+                else
+                        die("Short write on device tree blob\n");
+        }
 
         /*
          * data_merge() frees the right-hand element so only the blob
@@ -455,39 +473,44 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
                 die("Unknown device tree blob version %d\n", version);
 
         fprintf(f, "/* autogenerated by dtc, do not edit */\n\n");
-        fprintf(f, "#define FDT_MAGIC 0x%x\n", FDT_MAGIC);
-        fprintf(f, "#define FDT_BEGIN_NODE 0x%x\n", FDT_BEGIN_NODE);
-        fprintf(f, "#define FDT_END_NODE 0x%x\n", FDT_END_NODE);
-        fprintf(f, "#define FDT_PROP 0x%x\n", FDT_PROP);
-        fprintf(f, "#define FDT_END 0x%x\n", FDT_END);
-        fprintf(f, "\n");
 
         emit_label(f, symprefix, "blob_start");
         emit_label(f, symprefix, "header");
-        fprintf(f, "\t.long\tFDT_MAGIC\t\t\t\t/* magic */\n");
-        fprintf(f, "\t.long\t_%s_blob_abs_end - _%s_blob_start\t/* totalsize */\n",
-                symprefix, symprefix);
-        fprintf(f, "\t.long\t_%s_struct_start - _%s_blob_start\t/* off_dt_struct */\n",
+        fprintf(f, "\t/* magic */\n");
+        asm_emit_cell(f, FDT_MAGIC);
+        fprintf(f, "\t/* totalsize */\n");
+        ASM_EMIT_BELONG(f, "_%s_blob_abs_end - _%s_blob_start",
+                        symprefix, symprefix);
+        fprintf(f, "\t/* off_dt_struct */\n");
+        ASM_EMIT_BELONG(f, "_%s_struct_start - _%s_blob_start",
                 symprefix, symprefix);
-        fprintf(f, "\t.long\t_%s_strings_start - _%s_blob_start\t/* off_dt_strings */\n",
+        fprintf(f, "\t/* off_dt_strings */\n");
+        ASM_EMIT_BELONG(f, "_%s_strings_start - _%s_blob_start",
                 symprefix, symprefix);
-        fprintf(f, "\t.long\t_%s_reserve_map - _%s_blob_start\t/* off_dt_strings */\n",
+        fprintf(f, "\t/* off_mem_rsvmap */\n");
+        ASM_EMIT_BELONG(f, "_%s_reserve_map - _%s_blob_start",
                 symprefix, symprefix);
-        fprintf(f, "\t.long\t%d\t\t\t\t\t/* version */\n", vi->version);
-        fprintf(f, "\t.long\t%d\t\t\t\t\t/* last_comp_version */\n",
-                vi->last_comp_version);
-
-        if (vi->flags & FTF_BOOTCPUID)
-                fprintf(f, "\t.long\t%i\t\t\t\t\t/* boot_cpuid_phys */\n",
-                        bi->boot_cpuid_phys);
+        fprintf(f, "\t/* version */\n");
+        asm_emit_cell(f, vi->version);
+        fprintf(f, "\t/* last_comp_version */\n");
+        asm_emit_cell(f, vi->last_comp_version);
+
+        if (vi->flags & FTF_BOOTCPUID) {
+                fprintf(f, "\t/* boot_cpuid_phys */\n");
+                asm_emit_cell(f, bi->boot_cpuid_phys);
+        }
 
-        if (vi->flags & FTF_STRTABSIZE)
-                fprintf(f, "\t.long\t_%s_strings_end - _%s_strings_start\t/* size_dt_strings */\n",
-                        symprefix, symprefix);
+        if (vi->flags & FTF_STRTABSIZE) {
+                fprintf(f, "\t/* size_dt_strings */\n");
+                ASM_EMIT_BELONG(f, "_%s_strings_end - _%s_strings_start",
+                                symprefix, symprefix);
+        }
 
-        if (vi->flags & FTF_STRUCTSIZE)
-                fprintf(f, "\t.long\t_%s_struct_end - _%s_struct_start\t/* size_dt_struct */\n",
+        if (vi->flags & FTF_STRUCTSIZE) {
+                fprintf(f, "\t/* size_dt_struct */\n");
+                ASM_EMIT_BELONG(f, "_%s_struct_end - _%s_struct_start",
                         symprefix, symprefix);
+        }
 
         /*
          * Reserve map entries.
@@ -505,16 +528,17 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
          * as it appears .quad isn't available in some assemblers.
          */
         for (re = bi->reservelist; re; re = re->next) {
-                if (re->label) {
-                        fprintf(f, "\t.globl\t%s\n", re->label);
-                        fprintf(f, "%s:\n", re->label);
+                struct label *l;
+
+                for_each_label(re->labels, l) {
+                        fprintf(f, "\t.globl\t%s\n", l->label);
+                        fprintf(f, "%s:\n", l->label);
                 }
-                fprintf(f, "\t.long\t0x%08x, 0x%08x\n",
-                        (unsigned int)(re->re.address >> 32),
-                        (unsigned int)(re->re.address & 0xffffffff));
-                fprintf(f, "\t.long\t0x%08x, 0x%08x\n",
-                        (unsigned int)(re->re.size >> 32),
-                        (unsigned int)(re->re.size & 0xffffffff));
+                ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.address >> 32));
+                ASM_EMIT_BELONG(f, "0x%08x",
+                                (unsigned int)(re->re.address & 0xffffffff));
+                ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.size >> 32));
+                ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.size & 0xffffffff));
         }
         for (i = 0; i < reservenum; i++) {
                 fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n");
@@ -524,7 +548,9 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
 
         emit_label(f, symprefix, "struct_start");
         flatten_tree(bi->dt, &asm_emitter, f, &strbuf, vi);
-        fprintf(f, "\t.long\tFDT_END\n");
+
+        fprintf(f, "\t/* FDT_END */\n");
+        asm_emit_cell(f, FDT_END);
         emit_label(f, symprefix, "struct_end");
 
         emit_label(f, symprefix, "strings_start");
@@ -601,7 +627,7 @@ static char *flat_read_string(struct inbuf *inb)
                 len++;
         } while ((*p++) != '\0');
 
-        str = strdup(inb->ptr);
+        str = xstrdup(inb->ptr);
 
         inb->ptr += len;
 
@@ -643,7 +669,7 @@ static char *flat_read_stringtable(struct inbuf *inb, int offset)
                 p++;
         }
 
-        return strdup(inb->base + offset);
+        return xstrdup(inb->base + offset);
 }
 
 static struct property *flat_read_property(struct inbuf *dtbuf,
@@ -663,7 +689,7 @@ static struct property *flat_read_property(struct inbuf *dtbuf,
 
         val = flat_read_data(dtbuf, proplen);
 
-        return build_property(name, val, NULL);
+        return build_property(name, val);
 }
 
 
@@ -688,7 +714,7 @@ static struct reserve_info *flat_read_mem_reserve(struct inbuf *inb)
                 if (re.size == 0)
                         break;
 
-                new = build_reserve_entry(re.address, re.size, NULL);
+                new = build_reserve_entry(re.address, re.size);
                 reservelist = add_reserve_entry(reservelist, new);
         }
 
@@ -710,7 +736,7 @@ static char *nodename_from_path(const char *ppath, const char *cpath)
         if (!streq(ppath, "/"))
                 plen++;
 
-        return strdup(cpath + plen);
+        return xstrdup(cpath + plen);
 }
 
 static struct node *unflatten_tree(struct inbuf *dtbuf,
@@ -776,7 +802,7 @@ static struct node *unflatten_tree(struct inbuf *dtbuf,
 
 struct boot_info *dt_from_blob(const char *fname)
 {
-        struct dtc_file *dtcf;
+        FILE *f;
         uint32_t magic, totalsize, version, size_dt, boot_cpuid_phys;
         uint32_t off_dt, off_str, off_mem_rsvmap;
         int rc;
@@ -791,14 +817,14 @@ struct boot_info *dt_from_blob(const char *fname)
         uint32_t val;
         int flags = 0;
 
-        dtcf = dtc_open_file(fname, NULL);
+        f = srcfile_relative_open(fname, NULL);
 
-        rc = fread(&magic, sizeof(magic), 1, dtcf->file);
-        if (ferror(dtcf->file))
+        rc = fread(&magic, sizeof(magic), 1, f);
+        if (ferror(f))
                 die("Error reading DT blob magic number: %s\n",
                     strerror(errno));
         if (rc < 1) {
-                if (feof(dtcf->file))
+                if (feof(f))
                         die("EOF reading DT blob magic number\n");
                 else
                         die("Mysterious short read reading magic number\n");
@@ -808,11 +834,11 @@ struct boot_info *dt_from_blob(const char *fname)
         if (magic != FDT_MAGIC)
                 die("Blob has incorrect magic number\n");
 
-        rc = fread(&totalsize, sizeof(totalsize), 1, dtcf->file);
-        if (ferror(dtcf->file))
+        rc = fread(&totalsize, sizeof(totalsize), 1, f);
+        if (ferror(f))
                 die("Error reading DT blob size: %s\n", strerror(errno));
         if (rc < 1) {
-                if (feof(dtcf->file))
+                if (feof(f))
                         die("EOF reading DT blob size\n");
                 else
                         die("Mysterious short read reading blob size\n");
@@ -832,12 +858,12 @@ struct boot_info *dt_from_blob(const char *fname)
         p = blob + sizeof(magic)  + sizeof(totalsize);
 
         while (sizeleft) {
-                if (feof(dtcf->file))
+                if (feof(f))
                         die("EOF before reading %d bytes of DT blob\n",
                             totalsize);
 
-                rc = fread(p, 1, sizeleft, dtcf->file);
-                if (ferror(dtcf->file))
+                rc = fread(p, 1, sizeleft, f);
+                if (ferror(f))
                         die("Error reading DT blob: %s\n",
                             strerror(errno));
 
@@ -900,7 +926,7 @@ struct boot_info *dt_from_blob(const char *fname)
 
         free(blob);
 
-        dtc_close_file(dtcf);
+        fclose(f);
 
         return build_boot_info(reservelist, tree, boot_cpuid_phys);
 }
diff --git a/scripts/dtc/fstree.c b/scripts/dtc/fstree.c
index 766b2694d93..f3774530170 100644
--- a/scripts/dtc/fstree.c
+++ b/scripts/dtc/fstree.c
@@ -58,10 +58,9 @@ static struct node *read_fstree(const char *dirname)
                                         "WARNING: Cannot open %s: %s\n",
                                         tmpnam, strerror(errno));
                         } else {
-                                prop = build_property(strdup(de->d_name),
+                                prop = build_property(xstrdup(de->d_name),
                                                       data_copy_file(pfile,
-                                                                     st.st_size),
-                                                      NULL);
+                                                                     st.st_size));
                                 add_property(tree, prop);
                                 fclose(pfile);
                         }
@@ -69,14 +68,14 @@ static struct node *read_fstree(const char *dirname)
                         struct node *newchild;
 
                         newchild = read_fstree(tmpnam);
-                        newchild = name_node(newchild, strdup(de->d_name),
-                                             NULL);
+                        newchild = name_node(newchild, xstrdup(de->d_name));
                         add_child(tree, newchild);
                 }
 
                 free(tmpnam);
         }
 
+        closedir(d);
         return tree;
 }
 
@@ -85,8 +84,8 @@ struct boot_info *dt_from_fs(const char *dirname)
         struct node *tree;
 
         tree = read_fstree(dirname);
-        tree = name_node(tree, "", NULL);
+        tree = name_node(tree, "");
 
-        return build_boot_info(NULL, tree, 0);
+        return build_boot_info(NULL, tree, guess_boot_cpuid(tree));
 }
 
diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c
index 0ca3de550b3..c9209d5c999 100644
--- a/scripts/dtc/livetree.c
+++ b/scripts/dtc/livetree.c
@@ -24,17 +24,30 @@
  * Tree building functions
  */
 
-struct property *build_property(char *name, struct data val, char *label)
+void add_label(struct label **labels, char *label)
+{
+        struct label *new;
+
+        /* Make sure the label isn't already there */
+        for_each_label(*labels, new)
+                if (streq(new->label, label))
+                        return;
+
+        new = xmalloc(sizeof(*new));
+        new->label = label;
+        new->next = *labels;
+        *labels = new;
+}
+
+struct property *build_property(char *name, struct data val)
 {
         struct property *new = xmalloc(sizeof(*new));
 
+        memset(new, 0, sizeof(*new));
+
         new->name = name;
         new->val = val;
 
-        new->next = NULL;
-
-        new->label = label;
-
         return new;
 }
 
@@ -78,17 +91,82 @@ struct node *build_node(struct property *proplist, struct node *children)
         return new;
 }
 
-struct node *name_node(struct node *node, char *name, char * label)
+struct node *name_node(struct node *node, char *name)
 {
         assert(node->name == NULL);
 
         node->name = name;
 
-        node->label = label;
-
         return node;
 }
 
+struct node *merge_nodes(struct node *old_node, struct node *new_node)
+{
+        struct property *new_prop, *old_prop;
+        struct node *new_child, *old_child;
+        struct label *l;
+
+        /* Add new node labels to old node */
+        for_each_label(new_node->labels, l)
+                add_label(&old_node->labels, l->label);
+
+        /* Move properties from the new node to the old node.  If there
+         * is a collision, replace the old value with the new */
+        while (new_node->proplist) {
+                /* Pop the property off the list */
+                new_prop = new_node->proplist;
+                new_node->proplist = new_prop->next;
+                new_prop->next = NULL;
+
+                /* Look for a collision, set new value if there is */
+                for_each_property(old_node, old_prop) {
+                        if (streq(old_prop->name, new_prop->name)) {
+                                /* Add new labels to old property */
+                                for_each_label(new_prop->labels, l)
+                                        add_label(&old_prop->labels, l->label);
+
+                                old_prop->val = new_prop->val;
+                                free(new_prop);
+                                new_prop = NULL;
+                                break;
+                        }
+                }
+
+                /* if no collision occurred, add property to the old node. */
+                if (new_prop)
+                        add_property(old_node, new_prop);
+        }
+
+        /* Move the override child nodes into the primary node.  If
+         * there is a collision, then merge the nodes. */
+        while (new_node->children) {
+                /* Pop the child node off the list */
+                new_child = new_node->children;
+                new_node->children = new_child->next_sibling;
+                new_child->parent = NULL;
+                new_child->next_sibling = NULL;
+
+                /* Search for a collision.  Merge if there is */
+                for_each_child(old_node, old_child) {
+                        if (streq(old_child->name, new_child->name)) {
+                                merge_nodes(old_child, new_child);
+                                new_child = NULL;
+                                break;
+                        }
+                }
+
+                /* if no collision occured, add child to the old node. */
+                if (new_child)
+                        add_child(old_node, new_child);
+        }
+
+        /* The new node contents are now merged into the old node.  Free
+         * the new node. */
+        free(new_node);
+
+        return old_node;
+}
+
 struct node *chain_node(struct node *first, struct node *list)
 {
         assert(first->next_sibling == NULL);
@@ -124,18 +202,15 @@ void add_child(struct node *parent, struct node *child)
         *p = child;
 }
 
-struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size,
-                                         char *label)
+struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size)
 {
         struct reserve_info *new = xmalloc(sizeof(*new));
 
+        memset(new, 0, sizeof(*new));
+
         new->re.address = address;
         new->re.size = size;
 
-        new->next = NULL;
-
-        new->label = label;
-
         return new;
 }
 
@@ -208,6 +283,60 @@ cell_t propval_cell(struct property *prop)
         return fdt32_to_cpu(*((cell_t *)prop->val.val));
 }
 
+struct property *get_property_by_label(struct node *tree, const char *label,
+                                       struct node **node)
+{
+        struct property *prop;
+        struct node *c;
+
+        *node = tree;
+
+        for_each_property(tree, prop) {
+                struct label *l;
+
+                for_each_label(prop->labels, l)
+                        if (streq(l->label, label))
+                                return prop;
+        }
+
+        for_each_child(tree, c) {
+                prop = get_property_by_label(c, label, node);
+                if (prop)
+                        return prop;
+        }
+
+        *node = NULL;
+        return NULL;
+}
+
+struct marker *get_marker_label(struct node *tree, const char *label,
+                                struct node **node, struct property **prop)
+{
+        struct marker *m;
+        struct property *p;
+        struct node *c;
+
+        *node = tree;
+
+        for_each_property(tree, p) {
+                *prop = p;
+                m = p->val.markers;
+                for_each_marker_of_type(m, LABEL)
+                        if (streq(m->ref, label))
+                                return m;
+        }
+
+        for_each_child(tree, c) {
+                m = get_marker_label(c, label, node, prop);
+                if (m)
+                        return m;
+        }
+
+        *prop = NULL;
+        *node = NULL;
+        return NULL;
+}
+
 struct node *get_subnode(struct node *node, const char *nodename)
 {
         struct node *child;
@@ -245,11 +374,13 @@ struct node *get_node_by_path(struct node *tree, const char *path)
 struct node *get_node_by_label(struct node *tree, const char *label)
 {
         struct node *child, *node;
+        struct label *l;
 
         assert(label && (strlen(label) > 0));
 
-        if (tree->label && streq(tree->label, label))
-                return tree;
+        for_each_label(tree->labels, l)
+                if (streq(l->label, label))
+                        return tree;
 
         for_each_child(tree, child) {
                 node = get_node_by_label(child, label);
@@ -293,16 +424,186 @@ cell_t get_node_phandle(struct node *root, struct node *node)
         if ((node->phandle != 0) && (node->phandle != -1))
                 return node->phandle;
 
-        assert(! get_property(node, "linux,phandle"));
-
         while (get_node_by_phandle(root, phandle))
                 phandle++;
 
         node->phandle = phandle;
-        add_property(node,
-                     build_property("linux,phandle",
-                                    data_append_cell(empty_data, phandle),
-                                    NULL));
+
+        if (!get_property(node, "linux,phandle")
+            && (phandle_format & PHANDLE_LEGACY))
+                add_property(node,
+                             build_property("linux,phandle",
+                                            data_append_cell(empty_data, phandle)));
+
+        if (!get_property(node, "phandle")
+            && (phandle_format & PHANDLE_EPAPR))
+                add_property(node,
+                             build_property("phandle",
+                                            data_append_cell(empty_data, phandle)));
+
+        /* If the node *does* have a phandle property, we must
+         * be dealing with a self-referencing phandle, which will be
+         * fixed up momentarily in the caller */
 
         return node->phandle;
 }
+
+uint32_t guess_boot_cpuid(struct node *tree)
+{
+        struct node *cpus, *bootcpu;
+        struct property *reg;
+
+        cpus = get_node_by_path(tree, "/cpus");
+        if (!cpus)
+                return 0;
+
+
+        bootcpu = cpus->children;
+        if (!bootcpu)
+                return 0;
+
+        reg = get_property(bootcpu, "reg");
+        if (!reg || (reg->val.len != sizeof(uint32_t)))
+                return 0;
+
+        /* FIXME: Sanity check node? */
+
+        return propval_cell(reg);
+}
+
+static int cmp_reserve_info(const void *ax, const void *bx)
+{
+        const struct reserve_info *a, *b;
+
+        a = *((const struct reserve_info * const *)ax);
+        b = *((const struct reserve_info * const *)bx);
+
+        if (a->re.address < b->re.address)
+                return -1;
+        else if (a->re.address > b->re.address)
+                return 1;
+        else if (a->re.size < b->re.size)
+                return -1;
+        else if (a->re.size > b->re.size)
+                return 1;
+        else
+                return 0;
+}
+
+static void sort_reserve_entries(struct boot_info *bi)
+{
+        struct reserve_info *ri, **tbl;
+        int n = 0, i = 0;
+
+        for (ri = bi->reservelist;
+             ri;
+             ri = ri->next)
+                n++;
+
+        if (n == 0)
+                return;
+
+        tbl = xmalloc(n * sizeof(*tbl));
+
+        for (ri = bi->reservelist;
+             ri;
+             ri = ri->next)
+                tbl[i++] = ri;
+
+        qsort(tbl, n, sizeof(*tbl), cmp_reserve_info);
+
+        bi->reservelist = tbl[0];
+        for (i = 0; i < (n-1); i++)
+                tbl[i]->next = tbl[i+1];
+        tbl[n-1]->next = NULL;
+
+        free(tbl);
+}
+
+static int cmp_prop(const void *ax, const void *bx)
+{
+        const struct property *a, *b;
+
+        a = *((const struct property * const *)ax);
+        b = *((const struct property * const *)bx);
+
+        return strcmp(a->name, b->name);
+}
+
+static void sort_properties(struct node *node)
+{
+        int n = 0, i = 0;
+        struct property *prop, **tbl;
+
+        for_each_property(node, prop)
+                n++;
+
+        if (n == 0)
+                return;
+
+        tbl = xmalloc(n * sizeof(*tbl));
+
+        for_each_property(node, prop)
+                tbl[i++] = prop;
+
+        qsort(tbl, n, sizeof(*tbl), cmp_prop);
+
+        node->proplist = tbl[0];
+        for (i = 0; i < (n-1); i++)
+                tbl[i]->next = tbl[i+1];
+        tbl[n-1]->next = NULL;
+
+        free(tbl);
+}
+
+static int cmp_subnode(const void *ax, const void *bx)
+{
+        const struct node *a, *b;
+
+        a = *((const struct node * const *)ax);
+        b = *((const struct node * const *)bx);
+
+        return strcmp(a->name, b->name);
+}
+
+static void sort_subnodes(struct node *node)
+{
+        int n = 0, i = 0;
+        struct node *subnode, **tbl;
+
+        for_each_child(node, subnode)
+                n++;
+
+        if (n == 0)
+                return;
+
+        tbl = xmalloc(n * sizeof(*tbl));
+
+        for_each_child(node, subnode)
+                tbl[i++] = subnode;
+
+        qsort(tbl, n, sizeof(*tbl), cmp_subnode);
+
+        node->children = tbl[0];
+        for (i = 0; i < (n-1); i++)
+                tbl[i]->next_sibling = tbl[i+1];
+        tbl[n-1]->next_sibling = NULL;
+
+        free(tbl);
+}
+
+static void sort_node(struct node *node)
+{
+        struct node *c;
+
+        sort_properties(node);
+        sort_subnodes(node);
+        for_each_child(node, c)
+                sort_node(c);
+}
+
+void sort_tree(struct boot_info *bi)
+{
+        sort_reserve_entries(bi);
+        sort_node(bi->dt);
+}
diff --git a/scripts/dtc/srcpos.c b/scripts/dtc/srcpos.c
index 9641b7628b4..2dbc874288c 100644
--- a/scripts/dtc/srcpos.c
+++ b/scripts/dtc/srcpos.c
@@ -17,100 +17,232 @@
  *                                                                   USA
  */
 
+#define _GNU_SOURCE
+
+#include <stdio.h>
+
 #include "dtc.h"
 #include "srcpos.h"
 
-/*
- * Like yylineno, this is the current open file pos.
- */
 
-struct dtc_file *srcpos_file;
+static char *dirname(const char *path)
+{
+        const char *slash = strrchr(path, '/');
+
+        if (slash) {
+                int len = slash - path;
+                char *dir = xmalloc(len + 1);
+
+                memcpy(dir, path, len);
+                dir[len] = '\0';
+                return dir;
+        }
+        return NULL;
+}
+
+struct srcfile_state *current_srcfile; /* = NULL */
 
-static int dtc_open_one(struct dtc_file *file,
-                        const char *search,
-                        const char *fname)
+/* Detect infinite include recursion. */
+#define MAX_SRCFILE_DEPTH     (100)
+static int srcfile_depth; /* = 0 */
+
+FILE *srcfile_relative_open(const char *fname, char **fullnamep)
 {
+        FILE *f;
         char *fullname;
 
-        if (search) {
-                fullname = xmalloc(strlen(search) + strlen(fname) + 2);
-
-                strcpy(fullname, search);
-                strcat(fullname, "/");
-                strcat(fullname, fname);
+        if (streq(fname, "-")) {
+                f = stdin;
+                fullname = xstrdup("<stdin>");
         } else {
-                fullname = strdup(fname);
+                if (!current_srcfile || !current_srcfile->dir
+                    || (fname[0] == '/'))
+                        fullname = xstrdup(fname);
+                else
+                        fullname = join_path(current_srcfile->dir, fname);
+
+                f = fopen(fullname, "r");
+                if (!f)
+                        die("Couldn't open \"%s\": %s\n", fname,
+                            strerror(errno));
         }
 
-        file->file = fopen(fullname, "r");
-        if (!file->file) {
+        if (fullnamep)
+                *fullnamep = fullname;
+        else
                 free(fullname);
-                return 0;
-        }
 
-        file->name = fullname;
-        return 1;
+        return f;
 }
 
+void srcfile_push(const char *fname)
+{
+        struct srcfile_state *srcfile;
+
+        if (srcfile_depth++ >= MAX_SRCFILE_DEPTH)
+                die("Includes nested too deeply");
+
+        srcfile = xmalloc(sizeof(*srcfile));
+
+        srcfile->f = srcfile_relative_open(fname, &srcfile->name);
+        srcfile->dir = dirname(srcfile->name);
+        srcfile->prev = current_srcfile;
+
+        srcfile->lineno = 1;
+        srcfile->colno = 1;
+
+        current_srcfile = srcfile;
+}
 
-struct dtc_file *dtc_open_file(const char *fname,
-                               const struct search_path *search)
+int srcfile_pop(void)
 {
-        static const struct search_path default_search = { NULL, NULL, NULL };
+        struct srcfile_state *srcfile = current_srcfile;
 
-        struct dtc_file *file;
-        const char *slash;
+        assert(srcfile);
 
-        file = xmalloc(sizeof(struct dtc_file));
+        current_srcfile = srcfile->prev;
 
-        slash = strrchr(fname, '/');
-        if (slash) {
-                char *dir = xmalloc(slash - fname + 1);
+        if (fclose(srcfile->f))
+                die("Error closing \"%s\": %s\n", srcfile->name,
+                    strerror(errno));
 
-                memcpy(dir, fname, slash - fname);
-                dir[slash - fname] = 0;
-                file->dir = dir;
-        } else {
-                file->dir = NULL;
-        }
+        /* FIXME: We allow the srcfile_state structure to leak,
+         * because it could still be referenced from a location
+         * variable being carried through the parser somewhere.  To
+         * fix this we could either allocate all the files from a
+         * table, or use a pool allocator. */
 
-        if (streq(fname, "-")) {
-                file->name = "stdin";
-                file->file = stdin;
-                return file;
-        }
+        return current_srcfile ? 1 : 0;
+}
 
-        if (fname[0] == '/') {
-                file->file = fopen(fname, "r");
-                if (!file->file)
-                        goto fail;
+/*
+ * The empty source position.
+ */
 
-                file->name = strdup(fname);
-                return file;
-        }
+struct srcpos srcpos_empty = {
+        .first_line = 0,
+        .first_column = 0,
+        .last_line = 0,
+        .last_column = 0,
+        .file = NULL,
+};
 
-        if (!search)
-                search = &default_search;
+#define TAB_SIZE      8
 
-        while (search) {
-                if (dtc_open_one(file, search->dir, fname))
-                        return file;
+void srcpos_update(struct srcpos *pos, const char *text, int len)
+{
+        int i;
+
+        pos->file = current_srcfile;
+
+        pos->first_line = current_srcfile->lineno;
+        pos->first_column = current_srcfile->colno;
+
+        for (i = 0; i < len; i++)
+                if (text[i] == '\n') {
+                        current_srcfile->lineno++;
+                        current_srcfile->colno = 1;
+                } else if (text[i] == '\t') {
+                        current_srcfile->colno =
+                                ALIGN(current_srcfile->colno, TAB_SIZE);
+                } else {
+                        current_srcfile->colno++;
+                }
+
+        pos->last_line = current_srcfile->lineno;
+        pos->last_column = current_srcfile->colno;
+}
 
-                if (errno != ENOENT)
-                        goto fail;
+struct srcpos *
+srcpos_copy(struct srcpos *pos)
+{
+        struct srcpos *pos_new;
 
-                search = search->next;
-        }
+        pos_new = xmalloc(sizeof(struct srcpos));
+        memcpy(pos_new, pos, sizeof(struct srcpos));
+
+        return pos_new;
+}
+
+
+
+void
+srcpos_dump(struct srcpos *pos)
+{
+        printf("file        : \"%s\"\n",
+               pos->file ? (char *) pos->file : "<no file>");
+        printf("first_line  : %d\n", pos->first_line);
+        printf("first_column: %d\n", pos->first_column);
+        printf("last_line   : %d\n", pos->last_line);
+        printf("last_column : %d\n", pos->last_column);
+        printf("file        : %s\n", pos->file->name);
+}
 
-fail:
-        die("Couldn't open \"%s\": %s\n", fname, strerror(errno));
+
+char *
+srcpos_string(struct srcpos *pos)
+{
+        const char *fname = "<no-file>";
+        char *pos_str;
+        int rc;
+
+        if (pos)
+                fname = pos->file->name;
+
+
+        if (pos->first_line != pos->last_line)
+                rc = asprintf(&pos_str, "%s:%d.%d-%d.%d", fname,
+                              pos->first_line, pos->first_column,
+                              pos->last_line, pos->last_column);
+        else if (pos->first_column != pos->last_column)
+                rc = asprintf(&pos_str, "%s:%d.%d-%d", fname,
+                              pos->first_line, pos->first_column,
+                              pos->last_column);
+        else
+                rc = asprintf(&pos_str, "%s:%d.%d", fname,
+                              pos->first_line, pos->first_column);
+
+        if (rc == -1)
+                die("Couldn't allocate in srcpos string");
+
+        return pos_str;
+}
+
+void
+srcpos_verror(struct srcpos *pos, char const *fmt, va_list va)
+{
+       const char *srcstr;
+
+       srcstr = srcpos_string(pos);
+
+       fprintf(stdout, "Error: %s ", srcstr);
+       vfprintf(stdout, fmt, va);
+       fprintf(stdout, "\n");
 }
 
-void dtc_close_file(struct dtc_file *file)
+void
+srcpos_error(struct srcpos *pos, char const *fmt, ...)
 {
-        if (fclose(file->file))
-                die("Error closing \"%s\": %s\n", file->name, strerror(errno));
+        va_list va;
+
+        va_start(va, fmt);
+        srcpos_verror(pos, fmt, va);
+        va_end(va);
+}
+
+
+void
+srcpos_warn(struct srcpos *pos, char const *fmt, ...)
+{
+        const char *srcstr;
+        va_list va;
+        va_start(va, fmt);
+
+        srcstr = srcpos_string(pos);
+
+        fprintf(stderr, "Warning: %s ", srcstr);
+        vfprintf(stderr, fmt, va);
+        fprintf(stderr, "\n");
 
-        free(file->dir);
-        free(file);
+        va_end(va);
 }
diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h
index e17c7c04db8..bd7966e56a5 100644
--- a/scripts/dtc/srcpos.h
+++ b/scripts/dtc/srcpos.h
@@ -17,69 +17,70 @@
  *                                                                   USA
  */
 
-/*
- * Augment the standard YYLTYPE with a filenum index into an
- * array of all opened filenames.
- */
+#ifndef _SRCPOS_H_
+#define _SRCPOS_H_
 
 #include <stdio.h>
 
-struct dtc_file {
+struct srcfile_state {
+        FILE *f;
+        char *name;
         char *dir;
-        const char *name;
-        FILE *file;
+        int lineno, colno;
+        struct srcfile_state *prev;
 };
 
-#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
-typedef struct YYLTYPE {
+extern struct srcfile_state *current_srcfile; /* = NULL */
+
+FILE *srcfile_relative_open(const char *fname, char **fullnamep);
+void srcfile_push(const char *fname);
+int srcfile_pop(void);
+
+struct srcpos {
     int first_line;
     int first_column;
     int last_line;
     int last_column;
-    struct dtc_file *file;
-} YYLTYPE;
-
-#define YYLTYPE_IS_DECLARED     1
-#define YYLTYPE_IS_TRIVIAL      1
-#endif
-
-/* Cater to old parser templates. */
-#ifndef YYID
-#define YYID(n) (n)
-#endif
+    struct srcfile_state *file;
+};
 
-#define YYLLOC_DEFAULT(Current, Rhs, N)                                 \
-    do                                                                  \
-      if (YYID (N))                                                     \
-        {                                                               \
-          (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
-          (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
-          (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
-          (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
-          (Current).file         = YYRHSLOC (Rhs, N).file;              \
-        }                                                               \
-      else                                                              \
-        {                                                               \
-          (Current).first_line   = (Current).last_line   =              \
-            YYRHSLOC (Rhs, 0).last_line;                                \
-          (Current).first_column = (Current).last_column =              \
-            YYRHSLOC (Rhs, 0).last_column;                              \
-          (Current).file         = YYRHSLOC (Rhs, 0).file;              \
-        }                                                               \
-    while (YYID (0))
+#define YYLTYPE struct srcpos
 
+#define YYLLOC_DEFAULT(Current, Rhs, N)                                         \
+        do {                                                                    \
+                if (N) {                                                        \
+                        (Current).first_line = YYRHSLOC(Rhs, 1).first_line;     \
+                        (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
+                        (Current).last_line = YYRHSLOC(Rhs, N).last_line;       \
+                        (Current).last_column  = YYRHSLOC (Rhs, N).last_column; \
+                        (Current).file = YYRHSLOC(Rhs, N).file;                 \
+                } else {                                                        \
+                        (Current).first_line = (Current).last_line =            \
+                                YYRHSLOC(Rhs, 0).last_line;                     \
+                        (Current).first_column = (Current).last_column =        \
+                                YYRHSLOC(Rhs, 0).last_column;                   \
+                        (Current).file = YYRHSLOC (Rhs, 0).file;                \
+                }                                                               \
+        } while (0)
 
 
-extern void yyerror(char const *);
-extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
+/*
+ * Fictional source position used for IR nodes that are
+ * created without otherwise knowing a true source position.
+ * For example,constant definitions from the command line.
+ */
+extern struct srcpos srcpos_empty;
 
-extern struct dtc_file *srcpos_file;
+extern void srcpos_update(struct srcpos *pos, const char *text, int len);
+extern struct srcpos *srcpos_copy(struct srcpos *pos);
+extern char *srcpos_string(struct srcpos *pos);
+extern void srcpos_dump(struct srcpos *pos);
 
-struct search_path {
-        const char *dir; /* NULL for current directory */
-        struct search_path *prev, *next;
-};
+extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
+     __attribute__((format(printf, 2, 0)));
+extern void srcpos_error(struct srcpos *pos, char const *, ...)
+     __attribute__((format(printf, 2, 3)));
+extern void srcpos_warn(struct srcpos *pos, char const *, ...)
+     __attribute__((format(printf, 2, 3)));
 
-extern struct dtc_file *dtc_open_file(const char *fname,
-                                      const struct search_path *search);
-extern void dtc_close_file(struct dtc_file *file);
+#endif /* _SRCPOS_H_ */
diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c
index 1521ff11bb9..c09aafade31 100644
--- a/scripts/dtc/treesource.c
+++ b/scripts/dtc/treesource.c
@@ -32,8 +32,8 @@ struct boot_info *dt_from_source(const char *fname)
         the_boot_info = NULL;
         treesource_error = 0;
 
-        srcpos_file = dtc_open_file(fname, NULL);
-        yyin = srcpos_file->file;
+        srcfile_push(fname);
+        yyin = current_srcfile->f;
 
         if (yyparse() != 0)
                 die("Unable to parse input tree\n");
@@ -63,26 +63,20 @@ static void write_propval_string(FILE *f, struct data val)
 {
         const char *str = val.val;
         int i;
-        int newchunk = 1;
         struct marker *m = val.markers;
 
         assert(str[val.len-1] == '\0');
 
+        while (m && (m->offset == 0)) {
+                if (m->type == LABEL)
+                        fprintf(f, "%s: ", m->ref);
+                m = m->next;
+        }
+        fprintf(f, "\"");
+
         for (i = 0; i < (val.len-1); i++) {
                 char c = str[i];
 
-                if (newchunk) {
-                        while (m && (m->offset <= i)) {
-                                if (m->type == LABEL) {
-                                        assert(m->offset == i);
-                                        fprintf(f, "%s: ", m->ref);
-                                }
-                                m = m->next;
-                        }
-                        fprintf(f, "\"");
-                        newchunk = 0;
-                }
-
                 switch (c) {
                 case '\a':
                         fprintf(f, "\\a");
@@ -113,7 +107,14 @@ static void write_propval_string(FILE *f, struct data val)
                         break;
                 case '\0':
                         fprintf(f, "\", ");
-                        newchunk = 1;
+                        while (m && (m->offset < i)) {
+                                if (m->type == LABEL) {
+                                        assert(m->offset == (i+1));
+                                        fprintf(f, "%s: ", m->ref);
+                                }
+                                m = m->next;
+                        }
+                        fprintf(f, "\"");
                         break;
                 default:
                         if (isprint(c))
@@ -234,10 +235,11 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
 {
         struct property *prop;
         struct node *child;
+        struct label *l;
 
         write_prefix(f, level);
-        if (tree->label)
-                fprintf(f, "%s: ", tree->label);
+        for_each_label(tree->labels, l)
+                fprintf(f, "%s: ", l->label);
         if (tree->name && (*tree->name))
                 fprintf(f, "%s {\n", tree->name);
         else
@@ -245,8 +247,8 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
 
         for_each_property(tree, prop) {
                 write_prefix(f, level+1);
-                if (prop->label)
-                        fprintf(f, "%s: ", prop->label);
+                for_each_label(prop->labels, l)
+                        fprintf(f, "%s: ", l->label);
                 fprintf(f, "%s", prop->name);
                 write_propval(f, prop);
         }
@@ -266,8 +268,10 @@ void dt_to_source(FILE *f, struct boot_info *bi)
         fprintf(f, "/dts-v1/;\n\n");
 
         for (re = bi->reservelist; re; re = re->next) {
-                if (re->label)
-                        fprintf(f, "%s: ", re->label);
+                struct label *l;
+
+                for_each_label(re->labels, l)
+                        fprintf(f, "%s: ", l->label);
                 fprintf(f, "/memreserve/\t0x%016llx 0x%016llx;\n",
                         (unsigned long long)re->re.address,
                         (unsigned long long)re->re.size);
diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c
new file mode 100644
index 00000000000..d7ac27d2ae1
--- /dev/null
+++ b/scripts/dtc/util.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+ *                                                                   USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include "util.h"
+
+char *xstrdup(const char *s)
+{
+        int len = strlen(s) + 1;
+        char *dup = xmalloc(len);
+
+        memcpy(dup, s, len);
+
+        return dup;
+}
+
+char *join_path(const char *path, const char *name)
+{
+        int lenp = strlen(path);
+        int lenn = strlen(name);
+        int len;
+        int needslash = 1;
+        char *str;
+
+        len = lenp + lenn + 2;
+        if ((lenp > 0) && (path[lenp-1] == '/')) {
+                needslash = 0;
+                len--;
+        }
+
+        str = xmalloc(len);
+        memcpy(str, path, lenp);
+        if (needslash) {
+                str[lenp] = '/';
+                lenp++;
+        }
+        memcpy(str+lenp, name, lenn+1);
+        return str;
+}
diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h
new file mode 100644
index 00000000000..9cead842c11
--- /dev/null
+++ b/scripts/dtc/util.h
@@ -0,0 +1,56 @@
+#ifndef _UTIL_H
+#define _UTIL_H
+
+/*
+ * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+ *                                                                   USA
+ */
+
+static inline void __attribute__((noreturn)) die(char * str, ...)
+{
+        va_list ap;
+
+        va_start(ap, str);
+        fprintf(stderr, "FATAL ERROR: ");
+        vfprintf(stderr, str, ap);
+        exit(1);
+}
+
+static inline void *xmalloc(size_t len)
+{
+        void *new = malloc(len);
+
+        if (!new)
+                die("malloc() failed\n");
+
+        return new;
+}
+
+static inline void *xrealloc(void *p, size_t len)
+{
+        void *new = realloc(p, len);
+
+        if (!new)
+                die("realloc() failed (len=%d)\n", len);
+
+        return new;
+}
+
+extern char *xstrdup(const char *s);
+extern char *join_path(const char *path, const char *name);
+
+#endif /* _UTIL_H */
diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h
index 658ff42429d..6158b867df9 100644
--- a/scripts/dtc/version_gen.h
+++ b/scripts/dtc/version_gen.h
@@ -1 +1 @@
-#define DTC_VERSION "DTC 1.2.0"
+#define DTC_VERSION "DTC 1.2.0-g37c0b6a0"
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index de233ff43c1..1512c0a755a 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -1,92 +1,66 @@
 #!/bin/sh
-# extracts .config info from a [b]zImage file
-# uses: binoffset (new), dd, zcat, strings, grep
-# $arg1 is [b]zImage filename
-
-binoffset="./scripts/binoffset"
-test -e $binoffset || cc -o $binoffset ./scripts/binoffset.c || exit 1
-
-IKCFG_ST="0x49 0x4b 0x43 0x46 0x47 0x5f 0x53 0x54"
-IKCFG_ED="0x49 0x4b 0x43 0x46 0x47 0x5f 0x45 0x44"
-dump_config() {
-    file="$1"
-
-    start=`$binoffset $file $IKCFG_ST 2>/dev/null`
-    [ "$?" != "0" ] && start="-1"
-    if [ "$start" -eq "-1" ]; then
-        return
-    fi
-    end=`$binoffset $file $IKCFG_ED 2>/dev/null`
-    [ "$?" != "0" ] && end="-1"
-    if [ "$end" -eq "-1" ]; then
-        return
-    fi
-
-    start=`expr $start + 8`
-    size=`expr $end - $start`
-
-    dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat
-
-    clean_up
-    exit 0
-}
-
-
-usage()
+# ----------------------------------------------------------------------
+# extract-ikconfig - Extract the .config file from a kernel image
+#
+# This will only work when the kernel was compiled with CONFIG_IKCONFIG.
+#
+# The obscure use of the "tr" filter is to work around older versions of
+# "grep" that report the byte offset of the line instead of the pattern.
+#
+# (c) 2009,2010 Dick Streefland <dick@streefland.net>
+# Licensed under the terms of the GNU General Public License.
+# ----------------------------------------------------------------------
+
+cf1='IKCFG_ST\037\213\010'
+cf2='0123456789'
+
+dump_config()
 {
-        echo "  usage: extract-ikconfig [b]zImage_filename"
+        if      pos=`tr "$cf1\n$cf2" "\n$cf2=" < "$1" | grep -abo "^$cf2"`
+        then
+                pos=${pos%%:*}
+                tail -c+$(($pos+8)) "$1" | zcat > $tmp1 2> /dev/null
+                if      [ $? != 1 ]
+                then    # exit status must be 0 or 2 (trailing garbage warning)
+                        cat $tmp1
+                        exit 0
+                fi
+        fi
 }
 
-clean_up()
+try_decompress()
 {
-        if [ "$TMPFILE" != "" ]; then
-                rm -f $TMPFILE
-        fi
+        for     pos in `tr "$1\n$2" "\n$2=" < "$img" | grep -abo "^$2"`
+        do
+                pos=${pos%%:*}
+                tail -c+$pos "$img" | $3 > $tmp2 2> /dev/null
+                dump_config $tmp2
+        done
 }
 
-if [ $# -lt 1 ]
+# Check invocation:
+me=${0##*/}
+img=$1
+if      [ $# -ne 1 -o ! -s "$img" ]
 then
-        usage
-        exit 1
+        echo "Usage: $me <kernel-image>" >&2
+        exit 2
 fi
 
-TMPFILE=`mktemp -t ikconfig-XXXXXX` || exit 1
-image="$1"
-
-# vmlinux: Attempt to dump the configuration from the file directly
-dump_config "$image"
-
-GZHDR1="0x1f 0x8b 0x08 0x00"
-GZHDR2="0x1f 0x8b 0x08 0x08"
-
-ELFHDR="0x7f 0x45 0x4c 0x46"
+# Prepare temp files:
+tmp1=/tmp/ikconfig$$.1
+tmp2=/tmp/ikconfig$$.2
+trap "rm -f $tmp1 $tmp2" 0
 
-# vmlinux.gz: Check for a compressed images
-off=`$binoffset "$image" $GZHDR1 2>/dev/null`
-[ "$?" != "0" ] && off="-1"
-if [ "$off" -eq "-1" ]; then
-        off=`$binoffset "$image" $GZHDR2 2>/dev/null`
-        [ "$?" != "0" ] && off="-1"
-fi
-if [ "$off" -eq "0" ]; then
-        zcat <"$image" >"$TMPFILE"
-        dump_config "$TMPFILE"
-elif [ "$off" -ne "-1" ]; then
-        (dd ibs="$off" skip=1 count=0 && dd bs=512k) <"$image" 2>/dev/null | \
-                zcat >"$TMPFILE"
-        dump_config "$TMPFILE"
-
-# check if this is simply an ELF file
-else
-        off=`$binoffset "$image" $ELFHDR 2>/dev/null`
-        [ "$?" != "0" ] && off="-1"
-        if [ "$off" -eq "0" ]; then
-                dump_config "$image"
-        fi
-fi
+# Initial attempt for uncompressed images or objects:
+dump_config "$img"
 
-echo "ERROR: Unable to extract kernel configuration information."
-echo "       This kernel image may not have the config info."
+# That didn't work, so retry after decompression.
+try_decompress '\037\213\010' xy  gunzip
+try_decompress 'BZh'          xy  bunzip2
+try_decompress '\135\0\0\0'   xxx unlzma
+try_decompress '\211\114\132' xy  'lzop -d'
 
-clean_up
+# Bail out:
+echo "$me: Cannot find kernel config." >&2
 exit 1
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
new file mode 100644
index 00000000000..520d16b1ffa
--- /dev/null
+++ b/scripts/gcc-goto.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+# Test for gcc 'asm goto' suport
+# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
+
+echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index f3b5c05ced4..55caecdad99 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -243,6 +243,9 @@ case "$arg" in
                 echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f"
                 echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
                 echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
+                echo "$output_file" | grep -q "\.xz$" && \
+                                compr="xz --check=crc32 --lzma2=dict=1MiB"
+                echo "$output_file" | grep -q "\.lzo$" && compr="lzop -9 -f"
                 echo "$output_file" | grep -q "\.cpio$" && compr="cat"
                 shift
                 ;;
diff --git a/scripts/genksyms/parse.c_shipped b/scripts/genksyms/parse.c_shipped
index eaee44e66a4..809b949e495 100644
--- a/scripts/genksyms/parse.c_shipped
+++ b/scripts/genksyms/parse.c_shipped
@@ -160,7 +160,7 @@
 
 
 #include <assert.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include "genksyms.h"
 
 static int is_typedef;
diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y
index 10d7dc724b6..09a265cd719 100644
--- a/scripts/genksyms/parse.y
+++ b/scripts/genksyms/parse.y
@@ -24,7 +24,7 @@
 %{
 
 #include <assert.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include "genksyms.h"
 
 static int is_typedef;
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 090f2483970..139e0fff8e3 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -13,7 +13,7 @@
 use strict;
 
 my $P = $0;
-my $V = '0.23';
+my $V = '0.26';
 
 use Getopt::Long qw(:config no_auto_abbrev);
 
@@ -24,34 +24,46 @@ my $email_maintainer = 1;
 my $email_list = 1;
 my $email_subscriber_list = 0;
 my $email_git_penguin_chiefs = 0;
-my $email_git = 1;
+my $email_git = 0;
+my $email_git_all_signature_types = 0;
 my $email_git_blame = 0;
+my $email_git_blame_signatures = 1;
+my $email_git_fallback = 1;
 my $email_git_min_signatures = 1;
 my $email_git_max_maintainers = 5;
 my $email_git_min_percent = 5;
 my $email_git_since = "1-year-ago";
 my $email_hg_since = "-365";
+my $interactive = 0;
 my $email_remove_duplicates = 1;
+my $email_use_mailmap = 1;
 my $output_multiline = 1;
 my $output_separator = ", ";
 my $output_roles = 0;
-my $output_rolestats = 0;
+my $output_rolestats = 1;
 my $scm = 0;
 my $web = 0;
 my $subsystem = 0;
 my $status = 0;
 my $keywords = 1;
+my $sections = 0;
+my $file_emails = 0;
 my $from_filename = 0;
 my $pattern_depth = 0;
 my $version = 0;
 my $help = 0;
 
+my $vcs_used = 0;
+
 my $exit = 0;
 
+my %commit_author_hash;
+my %commit_signer_hash;
+
 my @penguin_chief = ();
-push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org");
+push(@penguin_chief, "Linus Torvalds:torvalds\@linux-foundation.org");
 #Andrew wants in on most everything - 2009/01/14
-#push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org");
+#push(@penguin_chief, "Andrew Morton:akpm\@linux-foundation.org");
 
 my @penguin_chief_names = ();
 foreach my $chief (@penguin_chief) {
@@ -61,7 +73,15 @@ foreach my $chief (@penguin_chief) {
         push(@penguin_chief_names, $chief_name);
     }
 }
-my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)";
+my $penguin_chiefs = "\(" . join("|", @penguin_chief_names) . "\)";
+
+# Signature types of people who are either
+#       a) responsible for the code in question, or
+#       b) familiar enough with it to give relevant feedback
+my @signature_tags = ();
+push(@signature_tags, "Signed-off-by:");
+push(@signature_tags, "Reviewed-by:");
+push(@signature_tags, "Acked-by:");
 
 # rfc822 email address - preloaded methods go here.
 my $rfc822_lwsp = "(?:(?:\\r\\n)?[ \\t])";
@@ -74,38 +94,106 @@ my %VCS_cmds;
 my %VCS_cmds_git = (
     "execute_cmd" => \&git_execute_cmd,
     "available" => '(which("git") ne "") && (-d ".git")',
-    "find_signers_cmd" => "git log --since=\$email_git_since -- \$file",
-    "find_commit_signers_cmd" => "git log -1 \$commit",
+    "find_signers_cmd" =>
+        "git log --no-color --since=\$email_git_since " .
+            '--format="GitCommit: %H%n' .
+                      'GitAuthor: %an <%ae>%n' .
+                      'GitDate: %aD%n' .
+                      'GitSubject: %s%n' .
+                      '%b%n"' .
+            " -- \$file",
+    "find_commit_signers_cmd" =>
+        "git log --no-color " .
+            '--format="GitCommit: %H%n' .
+                      'GitAuthor: %an <%ae>%n' .
+                      'GitDate: %aD%n' .
+                      'GitSubject: %s%n' .
+                      '%b%n"' .
+            " -1 \$commit",
+    "find_commit_author_cmd" =>
+        "git log --no-color " .
+            '--format="GitCommit: %H%n' .
+                      'GitAuthor: %an <%ae>%n' .
+                      'GitDate: %aD%n' .
+                      'GitSubject: %s%n"' .
+            " -1 \$commit",
     "blame_range_cmd" => "git blame -l -L \$diff_start,+\$diff_length \$file",
     "blame_file_cmd" => "git blame -l \$file",
-    "commit_pattern" => "^commit [0-9a-f]{40,40}",
-    "blame_commit_pattern" => "^([0-9a-f]+) "
+    "commit_pattern" => "^GitCommit: ([0-9a-f]{40,40})",
+    "blame_commit_pattern" => "^([0-9a-f]+) ",
+    "author_pattern" => "^GitAuthor: (.*)",
+    "subject_pattern" => "^GitSubject: (.*)",
 );
 
 my %VCS_cmds_hg = (
     "execute_cmd" => \&hg_execute_cmd,
     "available" => '(which("hg") ne "") && (-d ".hg")',
     "find_signers_cmd" =>
-        "hg log --date=\$email_hg_since" .
-                " --template='commit {node}\\n{desc}\\n' -- \$file",
-    "find_commit_signers_cmd" => "hg log --template='{desc}\\n' -r \$commit",
+        "hg log --date=\$email_hg_since " .
+            "--template='HgCommit: {node}\\n" .
+                        "HgAuthor: {author}\\n" .
+                        "HgSubject: {desc}\\n'" .
+            " -- \$file",
+    "find_commit_signers_cmd" =>
+        "hg log " .
+            "--template='HgSubject: {desc}\\n'" .
+            " -r \$commit",
+    "find_commit_author_cmd" =>
+        "hg log " .
+            "--template='HgCommit: {node}\\n" .
+                        "HgAuthor: {author}\\n" .
+                        "HgSubject: {desc|firstline}\\n'" .
+            " -r \$commit",
     "blame_range_cmd" => "",            # not supported
-    "blame_file_cmd" => "hg blame -c \$file",
-    "commit_pattern" => "^commit [0-9a-f]{40,40}",
-    "blame_commit_pattern" => "^([0-9a-f]+):"
+    "blame_file_cmd" => "hg blame -n \$file",
+    "commit_pattern" => "^HgCommit: ([0-9a-f]{40,40})",
+    "blame_commit_pattern" => "^([ 0-9a-f]+):",
+    "author_pattern" => "^HgAuthor: (.*)",
+    "subject_pattern" => "^HgSubject: (.*)",
 );
 
+my $conf = which_conf(".get_maintainer.conf");
+if (-f $conf) {
+    my @conf_args;
+    open(my $conffile, '<', "$conf")
+        or warn "$P: Can't find a readable .get_maintainer.conf file $!\n";
+
+    while (<$conffile>) {
+        my $line = $_;
+
+        $line =~ s/\s*\n?$//g;
+        $line =~ s/^\s*//g;
+        $line =~ s/\s+/ /g;
+
+        next if ($line =~ m/^\s*#/);
+        next if ($line =~ m/^\s*$/);
+
+        my @words = split(" ", $line);
+        foreach my $word (@words) {
+            last if ($word =~ m/^#/);
+            push (@conf_args, $word);
+        }
+    }
+    close($conffile);
+    unshift(@ARGV, @conf_args) if @conf_args;
+}
+
 if (!GetOptions(
                 'email!' => \$email,
                 'git!' => \$email_git,
+                'git-all-signature-types!' => \$email_git_all_signature_types,
                 'git-blame!' => \$email_git_blame,
+                'git-blame-signatures!' => \$email_git_blame_signatures,
+                'git-fallback!' => \$email_git_fallback,
                 'git-chief-penguins!' => \$email_git_penguin_chiefs,
                 'git-min-signatures=i' => \$email_git_min_signatures,
                 'git-max-maintainers=i' => \$email_git_max_maintainers,
                 'git-min-percent=i' => \$email_git_min_percent,
                 'git-since=s' => \$email_git_since,
                 'hg-since=s' => \$email_hg_since,
+                'i|interactive!' => \$interactive,
                 'remove-duplicates!' => \$email_remove_duplicates,
+                'mailmap!' => \$email_use_mailmap,
                 'm!' => \$email_maintainer,
                 'n!' => \$email_usename,
                 'l!' => \$email_list,
@@ -120,9 +208,11 @@ if (!GetOptions(
                 'web!' => \$web,
                 'pattern-depth=i' => \$pattern_depth,
                 'k|keywords!' => \$keywords,
+                'sections!' => \$sections,
+                'fe|file-emails!' => \$file_emails,
                 'f|file' => \$from_filename,
                 'v|version' => \$version,
-                'h|help' => \$help,
+                'h|help|usage' => \$help,
                 )) {
     die "$P: invalid argument - use --help if necessary\n";
 }
@@ -137,29 +227,34 @@ if ($version != 0) {
     exit 0;
 }
 
-if ($#ARGV < 0) {
-    usage();
-    die "$P: argument missing: patchfile or -f file please\n";
-}
-
-if ($output_separator ne ", ") {
-    $output_multiline = 0;
+if (-t STDIN && !@ARGV) {
+    # We're talking to a terminal, but have no command line arguments.
+    die "$P: missing patchfile or -f file - use --help if necessary\n";
 }
 
-if ($output_rolestats) {
-    $output_roles = 1;
-}
-
-my $selections = $email + $scm + $status + $subsystem + $web;
-if ($selections == 0) {
-    usage();
-    die "$P:  Missing required option: email, scm, status, subsystem or web\n";
+$output_multiline = 0 if ($output_separator ne ", ");
+$output_rolestats = 1 if ($interactive);
+$output_roles = 1 if ($output_rolestats);
+
+if ($sections) {
+    $email = 0;
+    $email_list = 0;
+    $scm = 0;
+    $status = 0;
+    $subsystem = 0;
+    $web = 0;
+    $keywords = 0;
+    $interactive = 0;
+} else {
+    my $selections = $email + $scm + $status + $subsystem + $web;
+    if ($selections == 0) {
+        die "$P:  Missing required option: email, scm, status, subsystem or web\n";
+    }
 }
 
 if ($email &&
     ($email_maintainer + $email_list + $email_subscriber_list +
      $email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) {
-    usage();
     die "$P: Please select at least 1 email option\n";
 }
 
@@ -173,8 +268,9 @@ if (!top_of_kernel_tree($lk_path)) {
 my @typevalue = ();
 my %keyword_hash;
 
-open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n";
-while (<MAINT>) {
+open (my $maint, '<', "${lk_path}MAINTAINERS")
+    or die "$P: Can't open MAINTAINERS: $!\n";
+while (<$maint>) {
     my $line = $_;
 
     if ($line =~ m/^(\C):\s*(.*)/) {
@@ -199,32 +295,84 @@ while (<MAINT>) {
         push(@typevalue, $line);
     }
 }
-close(MAINT);
+close($maint);
 
-my %mailmap;
 
-if ($email_remove_duplicates) {
-    open(MAILMAP, "<${lk_path}.mailmap") || warn "$P: Can't open .mailmap\n";
-    while (<MAILMAP>) {
-        my $line = $_;
-
-        next if ($line =~ m/^\s*#/);
-        next if ($line =~ m/^\s*$/);
-
-        my ($name, $address) = parse_email($line);
-        $line = format_email($name, $address, $email_usename);
-
-        next if ($line =~ m/^\s*$/);
+#
+# Read mail address map
+#
 
-        if (exists($mailmap{$name})) {
-            my $obj = $mailmap{$name};
-            push(@$obj, $address);
-        } else {
-            my @arr = ($address);
-            $mailmap{$name} = \@arr;
+my $mailmap;
+
+read_mailmap();
+
+sub read_mailmap {
+    $mailmap = {
+        names => {},
+        addresses => {}
+    };
+
+    return if (!$email_use_mailmap || !(-f "${lk_path}.mailmap"));
+
+    open(my $mailmap_file, '<', "${lk_path}.mailmap")
+        or warn "$P: Can't open .mailmap: $!\n";
+
+    while (<$mailmap_file>) {
+        s/#.*$//; #strip comments
+        s/^\s+|\s+$//g; #trim
+
+        next if (/^\s*$/); #skip empty lines
+        #entries have one of the following formats:
+        # name1 <mail1>
+        # <mail1> <mail2>
+        # name1 <mail1> <mail2>
+        # name1 <mail1> name2 <mail2>
+        # (see man git-shortlog)
+        if (/^(.+)<(.+)>$/) {
+            my $real_name = $1;
+            my $address = $2;
+
+            $real_name =~ s/\s+$//;
+            ($real_name, $address) = parse_email("$real_name <$address>");
+            $mailmap->{names}->{$address} = $real_name;
+
+        } elsif (/^<([^\s]+)>\s*<([^\s]+)>$/) {
+            my $real_address = $1;
+            my $wrong_address = $2;
+
+            $mailmap->{addresses}->{$wrong_address} = $real_address;
+
+        } elsif (/^(.+)<([^\s]+)>\s*<([^\s]+)>$/) {
+            my $real_name = $1;
+            my $real_address = $2;
+            my $wrong_address = $3;
+
+            $real_name =~ s/\s+$//;
+            ($real_name, $real_address) =
+                parse_email("$real_name <$real_address>");
+            $mailmap->{names}->{$wrong_address} = $real_name;
+            $mailmap->{addresses}->{$wrong_address} = $real_address;
+
+        } elsif (/^(.+)<([^\s]+)>\s*([^\s].*)<([^\s]+)>$/) {
+            my $real_name = $1;
+            my $real_address = $2;
+            my $wrong_name = $3;
+            my $wrong_address = $4;
+
+            $real_name =~ s/\s+$//;
+            ($real_name, $real_address) =
+                parse_email("$real_name <$real_address>");
+
+            $wrong_name =~ s/\s+$//;
+            ($wrong_name, $wrong_address) =
+                parse_email("$wrong_name <$wrong_address>");
+
+            my $wrong_email = format_email($wrong_name, $wrong_address, 1);
+            $mailmap->{names}->{$wrong_email} = $real_name;
+            $mailmap->{addresses}->{$wrong_email} = $real_address;
         }
     }
-    close(MAILMAP);
+    close($mailmap_file);
 }
 
 ## use the filenames on the command line or find the filenames in the patchfiles
@@ -232,31 +380,47 @@ if ($email_remove_duplicates) {
 my @files = ();
 my @range = ();
 my @keyword_tvi = ();
+my @file_emails = ();
+
+if (!@ARGV) {
+    push(@ARGV, "&STDIN");
+}
 
 foreach my $file (@ARGV) {
-    ##if $file is a directory and it lacks a trailing slash, add one
-    if ((-d $file)) {
-        $file =~ s@([^/])$@$1/@;
-    } elsif (!(-f $file)) {
-        die "$P: file '${file}' not found\n";
+    if ($file ne "&STDIN") {
+        ##if $file is a directory and it lacks a trailing slash, add one
+        if ((-d $file)) {
+            $file =~ s@([^/])$@$1/@;
+        } elsif (!(-f $file)) {
+            die "$P: file '${file}' not found\n";
+        }
     }
     if ($from_filename) {
         push(@files, $file);
-        if (-f $file && $keywords) {
-            open(FILE, "<$file") or die "$P: Can't open ${file}\n";
-            my $text = do { local($/) ; <FILE> };
-            foreach my $line (keys %keyword_hash) {
-                if ($text =~ m/$keyword_hash{$line}/x) {
-                    push(@keyword_tvi, $line);
+        if ($file ne "MAINTAINERS" && -f $file && ($keywords || $file_emails)) {
+            open(my $f, '<', $file)
+                or die "$P: Can't open $file: $!\n";
+            my $text = do { local($/) ; <$f> };
+            close($f);
+            if ($keywords) {
+                foreach my $line (keys %keyword_hash) {
+                    if ($text =~ m/$keyword_hash{$line}/x) {
+                        push(@keyword_tvi, $line);
+                    }
                 }
             }
-            close(FILE);
+            if ($file_emails) {
+                my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
+                push(@file_emails, clean_file_emails(@poss_addr));
+            }
         }
     } else {
         my $file_cnt = @files;
         my $lastfile;
-        open(PATCH, "<$file") or die "$P: Can't open ${file}\n";
-        while (<PATCH>) {
+
+        open(my $patch, "< $file")
+            or die "$P: Can't open $file: $!\n";
+        while (<$patch>) {
             my $patch_line = $_;
             if (m/^\+\+\+\s+(\S+)/) {
                 my $filename = $1;
@@ -276,7 +440,8 @@ foreach my $file (@ARGV) {
                 }
             }
         }
-        close(PATCH);
+        close($patch);
+
         if ($file_cnt == @files) {
             warn "$P: file '${file}' doesn't appear to be a patch.  "
                 . "Add -f to options?\n";
@@ -285,133 +450,247 @@ foreach my $file (@ARGV) {
     }
 }
 
+@file_emails = uniq(@file_emails);
+
+my %email_hash_name;
+my %email_hash_address;
 my @email_to = ();
+my %hash_list_to;
 my @list_to = ();
 my @scm = ();
 my @web = ();
 my @subsystem = ();
 my @status = ();
+my %deduplicate_name_hash = ();
+my %deduplicate_address_hash = ();
+my $signature_pattern;
 
-# Find responsible parties
+my @maintainers = get_maintainers();
 
-foreach my $file (@files) {
+if (@maintainers) {
+    @maintainers = merge_email(@maintainers);
+    output(@maintainers);
+}
 
-    my %hash;
-    my $tvi = find_first_section();
-    while ($tvi < @typevalue) {
-        my $start = find_starting_index($tvi);
-        my $end = find_ending_index($tvi);
-        my $exclude = 0;
-        my $i;
-
-        #Do not match excluded file patterns
-
-        for ($i = $start; $i < $end; $i++) {
-            my $line = $typevalue[$i];
-            if ($line =~ m/^(\C):\s*(.*)/) {
-                my $type = $1;
-                my $value = $2;
-                if ($type eq 'X') {
-                    if (file_match_pattern($file, $value)) {
-                        $exclude = 1;
-                    }
+if ($scm) {
+    @scm = uniq(@scm);
+    output(@scm);
+}
+
+if ($status) {
+    @status = uniq(@status);
+    output(@status);
+}
+
+if ($subsystem) {
+    @subsystem = uniq(@subsystem);
+    output(@subsystem);
+}
+
+if ($web) {
+    @web = uniq(@web);
+    output(@web);
+}
+
+exit($exit);
+
+sub range_is_maintained {
+    my ($start, $end) = @_;
+
+    for (my $i = $start; $i < $end; $i++) {
+        my $line = $typevalue[$i];
+        if ($line =~ m/^(\C):\s*(.*)/) {
+            my $type = $1;
+            my $value = $2;
+            if ($type eq 'S') {
+                if ($value =~ /(maintain|support)/i) {
+                    return 1;
                 }
             }
         }
+    }
+    return 0;
+}
+
+sub range_has_maintainer {
+    my ($start, $end) = @_;
+
+    for (my $i = $start; $i < $end; $i++) {
+        my $line = $typevalue[$i];
+        if ($line =~ m/^(\C):\s*(.*)/) {
+            my $type = $1;
+            my $value = $2;
+            if ($type eq 'M') {
+                return 1;
+            }
+        }
+    }
+    return 0;
+}
+
+sub get_maintainers {
+    %email_hash_name = ();
+    %email_hash_address = ();
+    %commit_author_hash = ();
+    %commit_signer_hash = ();
+    @email_to = ();
+    %hash_list_to = ();
+    @list_to = ();
+    @scm = ();
+    @web = ();
+    @subsystem = ();
+    @status = ();
+    %deduplicate_name_hash = ();
+    %deduplicate_address_hash = ();
+    if ($email_git_all_signature_types) {
+        $signature_pattern = "(.+?)[Bb][Yy]:";
+    } else {
+        $signature_pattern = "\(" . join("|", @signature_tags) . "\)";
+    }
+
+    # Find responsible parties
+
+    my %exact_pattern_match_hash = ();
+
+    foreach my $file (@files) {
+
+        my %hash;
+        my $tvi = find_first_section();
+        while ($tvi < @typevalue) {
+            my $start = find_starting_index($tvi);
+            my $end = find_ending_index($tvi);
+            my $exclude = 0;
+            my $i;
+
+            #Do not match excluded file patterns
 
-        if (!$exclude) {
             for ($i = $start; $i < $end; $i++) {
                 my $line = $typevalue[$i];
                 if ($line =~ m/^(\C):\s*(.*)/) {
                     my $type = $1;
                     my $value = $2;
-                    if ($type eq 'F') {
+                    if ($type eq 'X') {
                         if (file_match_pattern($file, $value)) {
-                            my $value_pd = ($value =~ tr@/@@);
-                            my $file_pd = ($file  =~ tr@/@@);
-                            $value_pd++ if (substr($value,-1,1) ne "/");
-                            if ($pattern_depth == 0 ||
-                                (($file_pd - $value_pd) < $pattern_depth)) {
-                                $hash{$tvi} = $value_pd;
+                            $exclude = 1;
+                            last;
+                        }
+                    }
+                }
+            }
+
+            if (!$exclude) {
+                for ($i = $start; $i < $end; $i++) {
+                    my $line = $typevalue[$i];
+                    if ($line =~ m/^(\C):\s*(.*)/) {
+                        my $type = $1;
+                        my $value = $2;
+                        if ($type eq 'F') {
+                            if (file_match_pattern($file, $value)) {
+                                my $value_pd = ($value =~ tr@/@@);
+                                my $file_pd = ($file  =~ tr@/@@);
+                                $value_pd++ if (substr($value,-1,1) ne "/");
+                                $value_pd = -1 if ($value =~ /^\.\*/);
+                                if ($value_pd >= $file_pd &&
+                                    range_is_maintained($start, $end) &&
+                                    range_has_maintainer($start, $end)) {
+                                    $exact_pattern_match_hash{$file} = 1;
+                                }
+                                if ($pattern_depth == 0 ||
+                                    (($file_pd - $value_pd) < $pattern_depth)) {
+                                    $hash{$tvi} = $value_pd;
+                                }
                             }
                         }
                     }
                 }
             }
+            $tvi = $end + 1;
         }
 
-        $tvi += ($end - $start);
-
+        foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
+            add_categories($line);
+            if ($sections) {
+                my $i;
+                my $start = find_starting_index($line);
+                my $end = find_ending_index($line);
+                for ($i = $start; $i < $end; $i++) {
+                    my $line = $typevalue[$i];
+                    if ($line =~ /^[FX]:/) {            ##Restore file patterns
+                        $line =~ s/([^\\])\.([^\*])/$1\?$2/g;
+                        $line =~ s/([^\\])\.$/$1\?/g;   ##Convert . back to ?
+                        $line =~ s/\\\./\./g;           ##Convert \. to .
+                        $line =~ s/\.\*/\*/g;           ##Convert .* to *
+                    }
+                    $line =~ s/^([A-Z]):/$1:\t/g;
+                    print("$line\n");
+                }
+                print("\n");
+            }
+        }
     }
 
-    foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
-        add_categories($line);
+    if ($keywords) {
+        @keyword_tvi = sort_and_uniq(@keyword_tvi);
+        foreach my $line (@keyword_tvi) {
+            add_categories($line);
+        }
     }
 
-    if ($email && $email_git) {
-        vcs_file_signoffs($file);
+    foreach my $email (@email_to, @list_to) {
+        $email->[0] = deduplicate_email($email->[0]);
     }
 
-    if ($email && $email_git_blame) {
-        vcs_file_blame($file);
-    }
-}
-
-if ($keywords) {
-    @keyword_tvi = sort_and_uniq(@keyword_tvi);
-    foreach my $line (@keyword_tvi) {
-        add_categories($line);
+    foreach my $file (@files) {
+        if ($email &&
+            ($email_git || ($email_git_fallback &&
+                            !$exact_pattern_match_hash{$file}))) {
+            vcs_file_signoffs($file);
+        }
+        if ($email && $email_git_blame) {
+            vcs_file_blame($file);
+        }
     }
-}
 
-if ($email) {
-    foreach my $chief (@penguin_chief) {
-        if ($chief =~ m/^(.*):(.*)/) {
-            my $email_address;
+    if ($email) {
+        foreach my $chief (@penguin_chief) {
+            if ($chief =~ m/^(.*):(.*)/) {
+                my $email_address;
 
-            $email_address = format_email($1, $2, $email_usename);
-            if ($email_git_penguin_chiefs) {
-                push(@email_to, [$email_address, 'chief penguin']);
-            } else {
-                @email_to = grep($_->[0] !~ /${email_address}/, @email_to);
+                $email_address = format_email($1, $2, $email_usename);
+                if ($email_git_penguin_chiefs) {
+                    push(@email_to, [$email_address, 'chief penguin']);
+                } else {
+                    @email_to = grep($_->[0] !~ /${email_address}/, @email_to);
+                }
             }
         }
+
+        foreach my $email (@file_emails) {
+            my ($name, $address) = parse_email($email);
+
+            my $tmp_email = format_email($name, $address, $email_usename);
+            push_email_address($tmp_email, '');
+            add_role($tmp_email, 'in file');
+        }
     }
-}
 
-if ($email || $email_list) {
     my @to = ();
-    if ($email) {
-        @to = (@to, @email_to);
-    }
-    if ($email_list) {
-        @to = (@to, @list_to);
+    if ($email || $email_list) {
+        if ($email) {
+            @to = (@to, @email_to);
+        }
+        if ($email_list) {
+            @to = (@to, @list_to);
+        }
     }
-    output(merge_email(@to));
-}
-
-if ($scm) {
-    @scm = uniq(@scm);
-    output(@scm);
-}
 
-if ($status) {
-    @status = uniq(@status);
-    output(@status);
-}
-
-if ($subsystem) {
-    @subsystem = uniq(@subsystem);
-    output(@subsystem);
-}
+    if ($interactive) {
+        @to = interactive_get_maintainers(\@to);
+    }
 
-if ($web) {
-    @web = uniq(@web);
-    output(@web);
+    return @to;
 }
 
-exit($exit);
-
 sub file_match_pattern {
     my ($file, $pattern) = @_;
     if (substr($pattern, -1) eq "/") {
@@ -439,13 +718,17 @@ version: $V
 MAINTAINER field selection options:
   --email => print email address(es) if any
     --git => include recent git \*-by: signers
+    --git-all-signature-types => include signers regardless of signature type
+        or use only ${signature_pattern} signers (default: $email_git_all_signature_types)
+    --git-fallback => use git when no exact MAINTAINERS pattern (default: $email_git_fallback)
     --git-chief-penguins => include ${penguin_chiefs}
-    --git-min-signatures => number of signatures required (default: 1)
-    --git-max-maintainers => maximum maintainers to add (default: 5)
-    --git-min-percent => minimum percentage of commits required (default: 5)
+    --git-min-signatures => number of signatures required (default: $email_git_min_signatures)
+    --git-max-maintainers => maximum maintainers to add (default: $email_git_max_maintainers)
+    --git-min-percent => minimum percentage of commits required (default: $email_git_min_percent)
     --git-blame => use git blame to find modified commits for patch or file
-    --git-since => git history to use (default: 1-year-ago)
-    --hg-since => hg history to use (default: -365)
+    --git-since => git history to use (default: $email_git_since)
+    --hg-since => hg history to use (default: $email_hg_since)
+    --interactive => display a menu (mostly useful if used with the --git option)
     --m => include maintainer(s) if any
     --n => include name 'Full Name <addr\@domain.tld>'
     --l => include list(s) if any
@@ -453,6 +736,7 @@ MAINTAINER field selection options:
     --remove-duplicates => minimize duplicate email names/addresses
     --roles => show roles (status:subsystem, git-signer, list, etc...)
     --rolestats => show roles and statistics (commits/total_commits, %)
+    --file-emails => add email addresses found in -f file (default: 0 (off))
   --scm => print SCM tree(s) if any
   --status => print status if any
   --subsystem => print subsystem name if any
@@ -465,12 +749,15 @@ Output type options:
 
 Other options:
   --pattern-depth => Number of pattern directory traversals (default: 0 (all))
-  --keywords => scan patch for keywords (default: 1 (on))
+  --keywords => scan patch for keywords (default: $keywords)
+  --sections => print all of the subsystem sections with pattern matches
+  --mailmap => use .mailmap file (default: $email_use_mailmap)
   --version => show version
   --help => show this help information
 
 Default options:
-  [--email --git --m --n --l --multiline --pattern-depth=0 --remove-duplicates]
+  [--email --nogit --git-fallback --m --n --l --multiline -pattern-depth=0
+   --remove-duplicates --rolestats]
 
 Notes:
   Using "-f directory" may give unexpected results:
@@ -496,34 +783,39 @@ Notes:
           --git-min-signatures, --git-max-maintainers, --git-min-percent, and
           --git-blame
       Use --hg-since not --git-since to control date selection
+  File ".get_maintainer.conf", if it exists in the linux kernel source root
+      directory, can change whatever get_maintainer defaults are desired.
+      Entries in this file can be any command line argument.
+      This file is prepended to any additional command line arguments.
+      Multiple lines and # comments are allowed.
 EOT
 }
 
 sub top_of_kernel_tree {
-        my ($lk_path) = @_;
+    my ($lk_path) = @_;
 
-        if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
-            $lk_path .= "/";
-        }
-        if (   (-f "${lk_path}COPYING")
-            && (-f "${lk_path}CREDITS")
-            && (-f "${lk_path}Kbuild")
-            && (-f "${lk_path}MAINTAINERS")
-            && (-f "${lk_path}Makefile")
-            && (-f "${lk_path}README")
-            && (-d "${lk_path}Documentation")
-            && (-d "${lk_path}arch")
-            && (-d "${lk_path}include")
-            && (-d "${lk_path}drivers")
-            && (-d "${lk_path}fs")
-            && (-d "${lk_path}init")
-            && (-d "${lk_path}ipc")
-            && (-d "${lk_path}kernel")
-            && (-d "${lk_path}lib")
-            && (-d "${lk_path}scripts")) {
-                return 1;
-        }
-        return 0;
+    if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
+        $lk_path .= "/";
+    }
+    if (   (-f "${lk_path}COPYING")
+        && (-f "${lk_path}CREDITS")
+        && (-f "${lk_path}Kbuild")
+        && (-f "${lk_path}MAINTAINERS")
+        && (-f "${lk_path}Makefile")
+        && (-f "${lk_path}README")
+        && (-d "${lk_path}Documentation")
+        && (-d "${lk_path}arch")
+        && (-d "${lk_path}include")
+        && (-d "${lk_path}drivers")
+        && (-d "${lk_path}fs")
+        && (-d "${lk_path}init")
+        && (-d "${lk_path}ipc")
+        && (-d "${lk_path}kernel")
+        && (-d "${lk_path}lib")
+        && (-d "${lk_path}scripts")) {
+        return 1;
+    }
+    return 0;
 }
 
 sub parse_email {
@@ -545,7 +837,7 @@ sub parse_email {
     $name =~ s/^\"|\"$//g;
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^a-z0-9 \.\-]/i) {    ##has "must quote" chars
+    if ($name =~ /[^\w \-]/i) {          ##has "must quote" chars
         $name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
         $name = "\"$name\"";
     }
@@ -562,7 +854,7 @@ sub format_email {
     $name =~ s/^\"|\"$//g;
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^a-z0-9 \.\-]/i) {    ##has "must quote" chars
+    if ($name =~ /[^\w \-]/i) {          ##has "must quote" chars
         $name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
         $name = "\"$name\"";
     }
@@ -715,11 +1007,19 @@ sub add_categories {
                 }
                 if ($list_additional =~ m/subscribers-only/) {
                     if ($email_subscriber_list) {
-                        push(@list_to, [$list_address, "subscriber list${list_role}"]);
+                        if (!$hash_list_to{lc($list_address)}) {
+                            $hash_list_to{lc($list_address)} = 1;
+                            push(@list_to, [$list_address,
+                                            "subscriber list${list_role}"]);
+                        }
                     }
                 } else {
                     if ($email_list) {
-                        push(@list_to, [$list_address, "open list${list_role}"]);
+                        if (!$hash_list_to{lc($list_address)}) {
+                            $hash_list_to{lc($list_address)} = 1;
+                            push(@list_to, [$list_address,
+                                            "open list${list_role}"]);
+                        }
                     }
                 }
             } elsif ($ptype eq "M") {
@@ -750,15 +1050,12 @@ sub add_categories {
     }
 }
 
-my %email_hash_name;
-my %email_hash_address;
-
 sub email_inuse {
     my ($name, $address) = @_;
 
     return 1 if (($name eq "") && ($address eq ""));
-    return 1 if (($name ne "") && exists($email_hash_name{$name}));
-    return 1 if (($address ne "") && exists($email_hash_address{$address}));
+    return 1 if (($name ne "") && exists($email_hash_name{lc($name)}));
+    return 1 if (($address ne "") && exists($email_hash_address{lc($address)}));
 
     return 0;
 }
@@ -776,8 +1073,8 @@ sub push_email_address {
         push(@email_to, [format_email($name, $address, $email_usename), $role]);
     } elsif (!email_inuse($name, $address)) {
         push(@email_to, [format_email($name, $address, $email_usename), $role]);
-        $email_hash_name{$name}++;
-        $email_hash_address{$address}++;
+        $email_hash_name{lc($name)}++ if ($name ne "");
+        $email_hash_address{lc($address)}++;
     }
 
     return 1;
@@ -811,7 +1108,9 @@ sub add_role {
     foreach my $entry (@email_to) {
         if ($email_remove_duplicates) {
             my ($entry_name, $entry_address) = parse_email($entry->[0]);
-            if ($name eq $entry_name || $address eq $entry_address) {
+            if (($name eq $entry_name || $address eq $entry_address)
+                && ($role eq "" || !($entry->[1] =~ m/$role/))
+            ) {
                 if ($entry->[1] eq "") {
                     $entry->[1] = "$role";
                 } else {
@@ -819,7 +1118,9 @@ sub add_role {
                 }
             }
         } else {
-            if ($email eq $entry->[0]) {
+            if ($email eq $entry->[0]
+                && ($role eq "" || !($entry->[1] =~ m/$role/))
+            ) {
                 if ($entry->[1] eq "") {
                     $entry->[1] = "$role";
                 } else {
@@ -842,30 +1143,69 @@ sub which {
     return "";
 }
 
-sub mailmap {
-    my (@lines) = @_;
-    my %hash;
+sub which_conf {
+    my ($conf) = @_;
 
-    foreach my $line (@lines) {
-        my ($name, $address) = parse_email($line);
-        if (!exists($hash{$name})) {
-            $hash{$name} = $address;
-        } elsif ($address ne $hash{$name}) {
-            $address = $hash{$name};
-            $line = format_email($name, $address, $email_usename);
+    foreach my $path (split(/:/, ".:$ENV{HOME}:.scripts")) {
+        if (-e "$path/$conf") {
+            return "$path/$conf";
         }
-        if (exists($mailmap{$name})) {
-            my $obj = $mailmap{$name};
-            foreach my $map_address (@$obj) {
-                if (($map_address eq $address) &&
-                    ($map_address ne $hash{$name})) {
-                    $line = format_email($name, $hash{$name}, $email_usename);
-                }
-            }
+    }
+
+    return "";
+}
+
+sub mailmap_email {
+    my ($line) = @_;
+
+    my ($name, $address) = parse_email($line);
+    my $email = format_email($name, $address, 1);
+    my $real_name = $name;
+    my $real_address = $address;
+
+    if (exists $mailmap->{names}->{$email} ||
+        exists $mailmap->{addresses}->{$email}) {
+        if (exists $mailmap->{names}->{$email}) {
+            $real_name = $mailmap->{names}->{$email};
         }
+        if (exists $mailmap->{addresses}->{$email}) {
+            $real_address = $mailmap->{addresses}->{$email};
+        }
+    } else {
+        if (exists $mailmap->{names}->{$address}) {
+            $real_name = $mailmap->{names}->{$address};
+        }
+        if (exists $mailmap->{addresses}->{$address}) {
+            $real_address = $mailmap->{addresses}->{$address};
+        }
+    }
+    return format_email($real_name, $real_address, 1);
+}
+
+sub mailmap {
+    my (@addresses) = @_;
+
+    my @mapped_emails = ();
+    foreach my $line (@addresses) {
+        push(@mapped_emails, mailmap_email($line));
     }
+    merge_by_realname(@mapped_emails) if ($email_use_mailmap);
+    return @mapped_emails;
+}
 
-    return @lines;
+sub merge_by_realname {
+    my %address_map;
+    my (@emails) = @_;
+
+    foreach my $email (@emails) {
+        my ($name, $address) = parse_email($email);
+        if (exists $address_map{$name}) {
+            $address = $address_map{$name};
+            $email = format_email($name, $address, 1);
+        } else {
+            $address_map{$name} = $address;
+        }
+    }
 }
 
 sub git_execute_cmd {
@@ -889,10 +1229,30 @@ sub hg_execute_cmd {
     return @lines;
 }
 
+sub extract_formatted_signatures {
+    my (@signature_lines) = @_;
+
+    my @type = @signature_lines;
+
+    s/\s*(.*):.*/$1/ for (@type);
+
+    # cut -f2- -d":"
+    s/\s*.*:\s*(.+)\s*/$1/ for (@signature_lines);
+
+## Reformat email addresses (with names) to avoid badly written signatures
+
+    foreach my $signer (@signature_lines) {
+        $signer = deduplicate_email($signer);
+    }
+
+    return (\@type, \@signature_lines);
+}
+
 sub vcs_find_signers {
     my ($cmd) = @_;
-    my @lines = ();
     my $commits;
+    my @lines = ();
+    my @signatures = ();
 
     @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
 
@@ -900,21 +1260,48 @@ sub vcs_find_signers {
 
     $commits = grep(/$pattern/, @lines);        # of commits
 
-    @lines = grep(/^[-_         a-z]+by:.*\@.*$/i, @lines);
+    @signatures = grep(/^[ \t]*${signature_pattern}.*\@.*$/, @lines);
+
+    return (0, @signatures) if !@signatures;
+
+    save_commits_by_author(@lines) if ($interactive);
+    save_commits_by_signer(@lines) if ($interactive);
+
+    if (!$email_git_penguin_chiefs) {
+        @signatures = grep(!/${penguin_chiefs}/i, @signatures);
+    }
+
+    my ($types_ref, $signers_ref) = extract_formatted_signatures(@signatures);
+
+    return ($commits, @$signers_ref);
+}
+
+sub vcs_find_author {
+    my ($cmd) = @_;
+    my @lines = ();
+
+    @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
     if (!$email_git_penguin_chiefs) {
         @lines = grep(!/${penguin_chiefs}/i, @lines);
     }
-    # cut -f2- -d":"
-    s/.*:\s*(.+)\s*/$1/ for (@lines);
 
-## Reformat email addresses (with names) to avoid badly written signatures
+    return @lines if !@lines;
 
+    my @authors = ();
     foreach my $line (@lines) {
-        my ($name, $address) = parse_email($line);
-        $line = format_email($name, $address, 1);
+        if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+            my $author = $1;
+            my ($name, $address) = parse_email($author);
+            $author = format_email($name, $address, 1);
+            push(@authors, $author);
+        }
     }
 
-    return ($commits, @lines);
+    save_commits_by_author(@lines) if ($interactive);
+    save_commits_by_signer(@lines) if ($interactive);
+
+    return @authors;
 }
 
 sub vcs_save_commits {
@@ -974,6 +1361,10 @@ sub vcs_blame {
         @commits = vcs_save_commits($cmd);
     }
 
+    foreach my $commit (@commits) {
+        $commit =~ s/^\^//g;
+    }
+
     return @commits;
 }
 
@@ -982,7 +1373,7 @@ sub vcs_exists {
     %VCS_cmds = %VCS_cmds_git;
     return 1 if eval $VCS_cmds{"available"};
     %VCS_cmds = %VCS_cmds_hg;
-    return 1 if eval $VCS_cmds{"available"};
+    return 2 if eval $VCS_cmds{"available"};
     %VCS_cmds = ();
     if (!$printed_novcs) {
         warn("$P: No supported VCS found.  Add --nogit to options?\n");
@@ -994,6 +1385,405 @@ sub vcs_exists {
     return 0;
 }
 
+sub vcs_is_git {
+    vcs_exists();
+    return $vcs_used == 1;
+}
+
+sub vcs_is_hg {
+    return $vcs_used == 2;
+}
+
+sub interactive_get_maintainers {
+    my ($list_ref) = @_;
+    my @list = @$list_ref;
+
+    vcs_exists();
+
+    my %selected;
+    my %authored;
+    my %signed;
+    my $count = 0;
+    my $maintained = 0;
+    foreach my $entry (@list) {
+        $maintained = 1 if ($entry->[1] =~ /^(maintainer|supporter)/i);
+        $selected{$count} = 1;
+        $authored{$count} = 0;
+        $signed{$count} = 0;
+        $count++;
+    }
+
+    #menu loop
+    my $done = 0;
+    my $print_options = 0;
+    my $redraw = 1;
+    while (!$done) {
+        $count = 0;
+        if ($redraw) {
+            printf STDERR "\n%1s %2s %-65s",
+                          "*", "#", "email/list and role:stats";
+            if ($email_git ||
+                ($email_git_fallback && !$maintained) ||
+                $email_git_blame) {
+                print STDERR "auth sign";
+            }
+            print STDERR "\n";
+            foreach my $entry (@list) {
+                my $email = $entry->[0];
+                my $role = $entry->[1];
+                my $sel = "";
+                $sel = "*" if ($selected{$count});
+                my $commit_author = $commit_author_hash{$email};
+                my $commit_signer = $commit_signer_hash{$email};
+                my $authored = 0;
+                my $signed = 0;
+                $authored++ for (@{$commit_author});
+                $signed++ for (@{$commit_signer});
+                printf STDERR "%1s %2d %-65s", $sel, $count + 1, $email;
+                printf STDERR "%4d %4d", $authored, $signed
+                    if ($authored > 0 || $signed > 0);
+                printf STDERR "\n     %s\n", $role;
+                if ($authored{$count}) {
+                    my $commit_author = $commit_author_hash{$email};
+                    foreach my $ref (@{$commit_author}) {
+                        print STDERR "     Author: @{$ref}[1]\n";
+                    }
+                }
+                if ($signed{$count}) {
+                    my $commit_signer = $commit_signer_hash{$email};
+                    foreach my $ref (@{$commit_signer}) {
+                        print STDERR "     @{$ref}[2]: @{$ref}[1]\n";
+                    }
+                }
+
+                $count++;
+            }
+        }
+        my $date_ref = \$email_git_since;
+        $date_ref = \$email_hg_since if (vcs_is_hg());
+        if ($print_options) {
+            $print_options = 0;
+            if (vcs_exists()) {
+                print STDERR <<EOT
+
+Version Control options:
+g  use git history      [$email_git]
+gf use git-fallback     [$email_git_fallback]
+b  use git blame        [$email_git_blame]
+bs use blame signatures [$email_git_blame_signatures]
+c# minimum commits      [$email_git_min_signatures]
+%# min percent          [$email_git_min_percent]
+d# history to use       [$$date_ref]
+x# max maintainers      [$email_git_max_maintainers]
+t  all signature types  [$email_git_all_signature_types]
+m  use .mailmap         [$email_use_mailmap]
+EOT
+            }
+            print STDERR <<EOT
+
+Additional options:
+0  toggle all
+tm toggle maintainers
+tg toggle git entries
+tl toggle open list entries
+ts toggle subscriber list entries
+f  emails in file       [$file_emails]
+k  keywords in file     [$keywords]
+r  remove duplicates    [$email_remove_duplicates]
+p# pattern match depth  [$pattern_depth]
+EOT
+        }
+        print STDERR
+"\n#(toggle), A#(author), S#(signed) *(all), ^(none), O(options), Y(approve): ";
+
+        my $input = <STDIN>;
+        chomp($input);
+
+        $redraw = 1;
+        my $rerun = 0;
+        my @wish = split(/[, ]+/, $input);
+        foreach my $nr (@wish) {
+            $nr = lc($nr);
+            my $sel = substr($nr, 0, 1);
+            my $str = substr($nr, 1);
+            my $val = 0;
+            $val = $1 if $str =~ /^(\d+)$/;
+
+            if ($sel eq "y") {
+                $interactive = 0;
+                $done = 1;
+                $output_rolestats = 0;
+                $output_roles = 0;
+                last;
+            } elsif ($nr =~ /^\d+$/ && $nr > 0 && $nr <= $count) {
+                $selected{$nr - 1} = !$selected{$nr - 1};
+            } elsif ($sel eq "*" || $sel eq '^') {
+                my $toggle = 0;
+                $toggle = 1 if ($sel eq '*');
+                for (my $i = 0; $i < $count; $i++) {
+                    $selected{$i} = $toggle;
+                }
+            } elsif ($sel eq "0") {
+                for (my $i = 0; $i < $count; $i++) {
+                    $selected{$i} = !$selected{$i};
+                }
+            } elsif ($sel eq "t") {
+                if (lc($str) eq "m") {
+                    for (my $i = 0; $i < $count; $i++) {
+                        $selected{$i} = !$selected{$i}
+                            if ($list[$i]->[1] =~ /^(maintainer|supporter)/i);
+                    }
+                } elsif (lc($str) eq "g") {
+                    for (my $i = 0; $i < $count; $i++) {
+                        $selected{$i} = !$selected{$i}
+                            if ($list[$i]->[1] =~ /^(author|commit|signer)/i);
+                    }
+                } elsif (lc($str) eq "l") {
+                    for (my $i = 0; $i < $count; $i++) {
+                        $selected{$i} = !$selected{$i}
+                            if ($list[$i]->[1] =~ /^(open list)/i);
+                    }
+                } elsif (lc($str) eq "s") {
+                    for (my $i = 0; $i < $count; $i++) {
+                        $selected{$i} = !$selected{$i}
+                            if ($list[$i]->[1] =~ /^(subscriber list)/i);
+                    }
+                }
+            } elsif ($sel eq "a") {
+                if ($val > 0 && $val <= $count) {
+                    $authored{$val - 1} = !$authored{$val - 1};
+                } elsif ($str eq '*' || $str eq '^') {
+                    my $toggle = 0;
+                    $toggle = 1 if ($str eq '*');
+                    for (my $i = 0; $i < $count; $i++) {
+                        $authored{$i} = $toggle;
+                    }
+                }
+            } elsif ($sel eq "s") {
+                if ($val > 0 && $val <= $count) {
+                    $signed{$val - 1} = !$signed{$val - 1};
+                } elsif ($str eq '*' || $str eq '^') {
+                    my $toggle = 0;
+                    $toggle = 1 if ($str eq '*');
+                    for (my $i = 0; $i < $count; $i++) {
+                        $signed{$i} = $toggle;
+                    }
+                }
+            } elsif ($sel eq "o") {
+                $print_options = 1;
+                $redraw = 1;
+            } elsif ($sel eq "g") {
+                if ($str eq "f") {
+                    bool_invert(\$email_git_fallback);
+                } else {
+                    bool_invert(\$email_git);
+                }
+                $rerun = 1;
+            } elsif ($sel eq "b") {
+                if ($str eq "s") {
+                    bool_invert(\$email_git_blame_signatures);
+                } else {
+                    bool_invert(\$email_git_blame);
+                }
+                $rerun = 1;
+            } elsif ($sel eq "c") {
+                if ($val > 0) {
+                    $email_git_min_signatures = $val;
+                    $rerun = 1;
+                }
+            } elsif ($sel eq "x") {
+                if ($val > 0) {
+                    $email_git_max_maintainers = $val;
+                    $rerun = 1;
+                }
+            } elsif ($sel eq "%") {
+                if ($str ne "" && $val >= 0) {
+                    $email_git_min_percent = $val;
+                    $rerun = 1;
+                }
+            } elsif ($sel eq "d") {
+                if (vcs_is_git()) {
+                    $email_git_since = $str;
+                } elsif (vcs_is_hg()) {
+                    $email_hg_since = $str;
+                }
+                $rerun = 1;
+            } elsif ($sel eq "t") {
+                bool_invert(\$email_git_all_signature_types);
+                $rerun = 1;
+            } elsif ($sel eq "f") {
+                bool_invert(\$file_emails);
+                $rerun = 1;
+            } elsif ($sel eq "r") {
+                bool_invert(\$email_remove_duplicates);
+                $rerun = 1;
+            } elsif ($sel eq "m") {
+                bool_invert(\$email_use_mailmap);
+                read_mailmap();
+                $rerun = 1;
+            } elsif ($sel eq "k") {
+                bool_invert(\$keywords);
+                $rerun = 1;
+            } elsif ($sel eq "p") {
+                if ($str ne "" && $val >= 0) {
+                    $pattern_depth = $val;
+                    $rerun = 1;
+                }
+            } elsif ($sel eq "h" || $sel eq "?") {
+                print STDERR <<EOT
+
+Interactive mode allows you to select the various maintainers, submitters,
+commit signers and mailing lists that could be CC'd on a patch.
+
+Any *'d entry is selected.
+
+If you have git or hg installed, you can choose to summarize the commit
+history of files in the patch.  Also, each line of the current file can
+be matched to its commit author and that commits signers with blame.
+
+Various knobs exist to control the length of time for active commit
+tracking, the maximum number of commit authors and signers to add,
+and such.
+
+Enter selections at the prompt until you are satisfied that the selected
+maintainers are appropriate.  You may enter multiple selections separated
+by either commas or spaces.
+
+EOT
+            } else {
+                print STDERR "invalid option: '$nr'\n";
+                $redraw = 0;
+            }
+        }
+        if ($rerun) {
+            print STDERR "git-blame can be very slow, please have patience..."
+                if ($email_git_blame);
+            goto &get_maintainers;
+        }
+    }
+
+    #drop not selected entries
+    $count = 0;
+    my @new_emailto = ();
+    foreach my $entry (@list) {
+        if ($selected{$count}) {
+            push(@new_emailto, $list[$count]);
+        }
+        $count++;
+    }
+    return @new_emailto;
+}
+
+sub bool_invert {
+    my ($bool_ref) = @_;
+
+    if ($$bool_ref) {
+        $$bool_ref = 0;
+    } else {
+        $$bool_ref = 1;
+    }
+}
+
+sub deduplicate_email {
+    my ($email) = @_;
+
+    my $matched = 0;
+    my ($name, $address) = parse_email($email);
+    $email = format_email($name, $address, 1);
+    $email = mailmap_email($email);
+
+    return $email if (!$email_remove_duplicates);
+
+    ($name, $address) = parse_email($email);
+
+    if ($name ne "" && $deduplicate_name_hash{lc($name)}) {
+        $name = $deduplicate_name_hash{lc($name)}->[0];
+        $address = $deduplicate_name_hash{lc($name)}->[1];
+        $matched = 1;
+    } elsif ($deduplicate_address_hash{lc($address)}) {
+        $name = $deduplicate_address_hash{lc($address)}->[0];
+        $address = $deduplicate_address_hash{lc($address)}->[1];
+        $matched = 1;
+    }
+    if (!$matched) {
+        $deduplicate_name_hash{lc($name)} = [ $name, $address ];
+        $deduplicate_address_hash{lc($address)} = [ $name, $address ];
+    }
+    $email = format_email($name, $address, 1);
+    $email = mailmap_email($email);
+    return $email;
+}
+
+sub save_commits_by_author {
+    my (@lines) = @_;
+
+    my @authors = ();
+    my @commits = ();
+    my @subjects = ();
+
+    foreach my $line (@lines) {
+        if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+            my $author = $1;
+            $author = deduplicate_email($author);
+            push(@authors, $author);
+        }
+        push(@commits, $1) if ($line =~ m/$VCS_cmds{"commit_pattern"}/);
+        push(@subjects, $1) if ($line =~ m/$VCS_cmds{"subject_pattern"}/);
+    }
+
+    for (my $i = 0; $i < @authors; $i++) {
+        my $exists = 0;
+        foreach my $ref(@{$commit_author_hash{$authors[$i]}}) {
+            if (@{$ref}[0] eq $commits[$i] &&
+                @{$ref}[1] eq $subjects[$i]) {
+                $exists = 1;
+                last;
+            }
+        }
+        if (!$exists) {
+            push(@{$commit_author_hash{$authors[$i]}},
+                 [ ($commits[$i], $subjects[$i]) ]);
+        }
+    }
+}
+
+sub save_commits_by_signer {
+    my (@lines) = @_;
+
+    my $commit = "";
+    my $subject = "";
+
+    foreach my $line (@lines) {
+        $commit = $1 if ($line =~ m/$VCS_cmds{"commit_pattern"}/);
+        $subject = $1 if ($line =~ m/$VCS_cmds{"subject_pattern"}/);
+        if ($line =~ /^[ \t]*${signature_pattern}.*\@.*$/) {
+            my @signatures = ($line);
+            my ($types_ref, $signers_ref) = extract_formatted_signatures(@signatures);
+            my @types = @$types_ref;
+            my @signers = @$signers_ref;
+
+            my $type = $types[0];
+            my $signer = $signers[0];
+
+            $signer = deduplicate_email($signer);
+
+            my $exists = 0;
+            foreach my $ref(@{$commit_signer_hash{$signer}}) {
+                if (@{$ref}[0] eq $commit &&
+                    @{$ref}[1] eq $subject &&
+                    @{$ref}[2] eq $type) {
+                    $exists = 1;
+                    last;
+                }
+            }
+            if (!$exists) {
+                push(@{$commit_signer_hash{$signer}},
+                     [ ($commit, $subject, $type) ]);
+            }
+        }
+    }
+}
+
 sub vcs_assign {
     my ($role, $divisor, @lines) = @_;
 
@@ -1007,9 +1797,9 @@ sub vcs_assign {
         $divisor = 1;
     }
 
-    if ($email_remove_duplicates) {
-        @lines = mailmap(@lines);
-    }
+    @lines = mailmap(@lines);
+
+    return if (@lines <= 0);
 
     @lines = sort(@lines);
 
@@ -1042,12 +1832,18 @@ sub vcs_file_signoffs {
     my @signers = ();
     my $commits;
 
-    return if (!vcs_exists());
+    $vcs_used = vcs_exists();
+    return if (!$vcs_used);
 
     my $cmd = $VCS_cmds{"find_signers_cmd"};
     $cmd =~ s/(\$\w+)/$1/eeg;           # interpolate $cmd
 
     ($commits, @signers) = vcs_find_signers($cmd);
+
+    foreach my $signer (@signers) {
+        $signer = deduplicate_email($signer);
+    }
+
     vcs_assign("commit_signer", $commits, @signers);
 }
 
@@ -1055,29 +1851,114 @@ sub vcs_file_blame {
     my ($file) = @_;
 
     my @signers = ();
+    my @all_commits = ();
     my @commits = ();
     my $total_commits;
+    my $total_lines;
 
-    return if (!vcs_exists());
+    $vcs_used = vcs_exists();
+    return if (!$vcs_used);
 
-    @commits = vcs_blame($file);
-    @commits = uniq(@commits);
+    @all_commits = vcs_blame($file);
+    @commits = uniq(@all_commits);
     $total_commits = @commits;
+    $total_lines = @all_commits;
 
-    foreach my $commit (@commits) {
-        my $commit_count;
-        my @commit_signers = ();
+    if ($email_git_blame_signatures) {
+        if (vcs_is_hg()) {
+            my $commit_count;
+            my @commit_signers = ();
+            my $commit = join(" -r ", @commits);
+            my $cmd;
+
+            $cmd = $VCS_cmds{"find_commit_signers_cmd"};
+            $cmd =~ s/(\$\w+)/$1/eeg;   #substitute variables in $cmd
+
+            ($commit_count, @commit_signers) = vcs_find_signers($cmd);
+
+            push(@signers, @commit_signers);
+        } else {
+            foreach my $commit (@commits) {
+                my $commit_count;
+                my @commit_signers = ();
+                my $cmd;
+
+                $cmd = $VCS_cmds{"find_commit_signers_cmd"};
+                $cmd =~ s/(\$\w+)/$1/eeg;       #substitute variables in $cmd
 
-        my $cmd = $VCS_cmds{"find_commit_signers_cmd"};
-        $cmd =~ s/(\$\w+)/$1/eeg;       #interpolate $cmd
+                ($commit_count, @commit_signers) = vcs_find_signers($cmd);
 
-        ($commit_count, @commit_signers) = vcs_find_signers($cmd);
-        push(@signers, @commit_signers);
+                push(@signers, @commit_signers);
+            }
+        }
     }
 
     if ($from_filename) {
+        if ($output_rolestats) {
+            my @blame_signers;
+            if (vcs_is_hg()) {{         # Double brace for last exit
+                my $commit_count;
+                my @commit_signers = ();
+                @commits = uniq(@commits);
+                @commits = sort(@commits);
+                my $commit = join(" -r ", @commits);
+                my $cmd;
+
+                $cmd = $VCS_cmds{"find_commit_author_cmd"};
+                $cmd =~ s/(\$\w+)/$1/eeg;       #substitute variables in $cmd
+
+                my @lines = ();
+
+                @lines = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
+                if (!$email_git_penguin_chiefs) {
+                    @lines = grep(!/${penguin_chiefs}/i, @lines);
+                }
+
+                last if !@lines;
+
+                my @authors = ();
+                foreach my $line (@lines) {
+                    if ($line =~ m/$VCS_cmds{"author_pattern"}/) {
+                        my $author = $1;
+                        $author = deduplicate_email($author);
+                        push(@authors, $author);
+                    }
+                }
+
+                save_commits_by_author(@lines) if ($interactive);
+                save_commits_by_signer(@lines) if ($interactive);
+
+                push(@signers, @authors);
+            }}
+            else {
+                foreach my $commit (@commits) {
+                    my $i;
+                    my $cmd = $VCS_cmds{"find_commit_author_cmd"};
+                    $cmd =~ s/(\$\w+)/$1/eeg;   #interpolate $cmd
+                    my @author = vcs_find_author($cmd);
+                    next if !@author;
+
+                    my $formatted_author = deduplicate_email($author[0]);
+
+                    my $count = grep(/$commit/, @all_commits);
+                    for ($i = 0; $i < $count ; $i++) {
+                        push(@blame_signers, $formatted_author);
+                    }
+                }
+            }
+            if (@blame_signers) {
+                vcs_assign("authored lines", $total_lines, @blame_signers);
+            }
+        }
+        foreach my $signer (@signers) {
+            $signer = deduplicate_email($signer);
+        }
         vcs_assign("commits", $total_commits, @signers);
     } else {
+        foreach my $signer (@signers) {
+            $signer = deduplicate_email($signer);
+        }
         vcs_assign("modified commits", $total_commits, @signers);
     }
 }
@@ -1099,6 +1980,51 @@ sub sort_and_uniq {
     return @parms;
 }
 
+sub clean_file_emails {
+    my (@file_emails) = @_;
+    my @fmt_emails = ();
+
+    foreach my $email (@file_emails) {
+        $email =~ s/[\(\<\{]{0,1}([A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+)[\)\>\}]{0,1}/\<$1\>/g;
+        my ($name, $address) = parse_email($email);
+        if ($name eq '"[,\.]"') {
+            $name = "";
+        }
+
+        my @nw = split(/[^A-Za-zÀ-ÿ\'\,\.\+-]/, $name);
+        if (@nw > 2) {
+            my $first = $nw[@nw - 3];
+            my $middle = $nw[@nw - 2];
+            my $last = $nw[@nw - 1];
+
+            if (((length($first) == 1 && $first =~ m/[A-Za-z]/) ||
+                 (length($first) == 2 && substr($first, -1) eq ".")) ||
+                (length($middle) == 1 ||
+                 (length($middle) == 2 && substr($middle, -1) eq "."))) {
+                $name = "$first $middle $last";
+            } else {
+                $name = "$middle $last";
+            }
+        }
+
+        if (substr($name, -1) =~ /[,\.]/) {
+            $name = substr($name, 0, length($name) - 1);
+        } elsif (substr($name, -2) =~ /[,\.]"/) {
+            $name = substr($name, 0, length($name) - 2) . '"';
+        }
+
+        if (substr($name, 0, 1) =~ /[,\.]/) {
+            $name = substr($name, 1, length($name) - 1);
+        } elsif (substr($name, 0, 2) =~ /"[,\.]/) {
+            $name = '"' . substr($name, 2, length($name) - 2);
+        }
+
+        my $fmt_email = format_email($name, $address, $email_usename);
+        push(@fmt_emails, $fmt_email);
+    }
+    return @fmt_emails;
+}
+
 sub merge_email {
     my @lines;
     my %saw;
@@ -1183,7 +2109,7 @@ sub rfc822_strip_comments {
 
 #   valid: returns true if the parameter is an RFC822 valid address
 #
-sub rfc822_valid ($) {
+sub rfc822_valid {
     my $s = rfc822_strip_comments(shift);
 
     if (!$rfc822re) {
@@ -1203,7 +2129,7 @@ sub rfc822_valid ($) {
 #              from success with no addresses found, because an empty string is
 #              a valid list.
 
-sub rfc822_validlist ($) {
+sub rfc822_validlist {
     my $s = rfc822_strip_comments(shift);
 
     if (!$rfc822re) {
diff --git a/scripts/gfp-translate b/scripts/gfp-translate
index 073cb6d152a..c9230e158a8 100644
--- a/scripts/gfp-translate
+++ b/scripts/gfp-translate
@@ -19,7 +19,7 @@ usage() {
         exit 0
 }
 
-# Parse command-line arguements
+# Parse command-line arguments
 while [ $# -gt 0 ]; do
         case $1 in
                 --source)
@@ -63,7 +63,12 @@ fi
 
 # Extract GFP flags from the kernel source
 TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1
-grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE
+grep -q ___GFP $SOURCE/include/linux/gfp.h
+if [ $? -eq 0 ]; then
+        grep "^#define ___GFP" $SOURCE/include/linux/gfp.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE
+else
+        grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE
+fi
 
 # Parse the flags
 IFS="
diff --git a/scripts/headers.sh b/scripts/headers.sh
index 1ddcdd38d97..978b42b3acd 100755
--- a/scripts/headers.sh
+++ b/scripts/headers.sh
@@ -13,7 +13,7 @@ do_command()
         fi
 }
 
-archs=$(ls ${srctree}/arch)
+archs=${HDR_ARCH_LIST:-$(ls ${srctree}/arch)}
 
 for arch in ${archs}; do
         case ${arch} in
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index 50d6cfd1fa7..7957e7a5166 100644
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
@@ -64,10 +64,10 @@ sub check_include
 
 sub check_declarations
 {
-        if ($line =~m/^\s*extern\b/) {
+        if ($line =~m/^(\s*extern|unsigned|char|short|int|long|void)\b/) {
                 printf STDERR "$filename:$lineno: " .
-                              "userspace cannot call function or variable " .
-                              "defined in the kernel\n";
+                              "userspace cannot reference function or " .
+                              "variable defined in the kernel\n";
         }
 }
 
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
index 4ca3be3b2e5..efb3be10d42 100644
--- a/scripts/headers_install.pl
+++ b/scripts/headers_install.pl
@@ -45,6 +45,13 @@ foreach my $file (@files) {
         close $in;
 
         system $unifdef . " $tmpfile > $installdir/$file";
+        # unifdef will exit 0 on success, and will exit 1 when the
+        # file was processed successfully but no changes were made,
+        # so abort only when it's higher than that.
+        my $e = $? >> 8;
+        if ($e > 1) {
+                die "$tmpfile: $!\n";
+        }
         unlink $tmpfile;
 }
 exit 0;
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index e3902fb39af..60dd3eb9366 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -107,12 +107,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 
         rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str);
         if (rc != 3) {
-                if (rc != EOF) {
-                        /* skip line. sym is used as dummy to
-                         * shut of "warn_unused_result" warning.
-                         */
-                        sym = fgets(str, 500, in);
-                }
+                if (rc != EOF && fgets(str, 500, in) == NULL)
+                        fprintf(stderr, "Read error or end of file.\n");
                 return -1;
         }
 
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index 6a36a76e660..624f6502e03 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -17,6 +17,7 @@ gconf.glade.h
 #
 conf
 mconf
+nconf
 qconf
 gconf
 kxgettext
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 75bdf5ae202..368ae306aee 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -8,7 +8,7 @@ PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-c
 ifdef KBUILD_KCONFIG
 Kconfig := $(KBUILD_KCONFIG)
 else
-Kconfig := arch/$(SRCARCH)/Kconfig
+Kconfig := Kconfig
 endif
 
 xconfig: $(obj)/qconf
@@ -21,44 +21,54 @@ menuconfig: $(obj)/mconf
         $< $(Kconfig)
 
 config: $(obj)/conf
-        $< $(Kconfig)
+        $< --oldaskconfig $(Kconfig)
 
 nconfig: $(obj)/nconf
         $< $(Kconfig)
 
 oldconfig: $(obj)/conf
-        $< -o $(Kconfig)
+        $< --$@ $(Kconfig)
 
 silentoldconfig: $(obj)/conf
         $(Q)mkdir -p include/generated
-        $< -s $(Kconfig)
+        $< --$@ $(Kconfig)
+
+# if no path is given, then use src directory to find file
+ifdef LSMOD
+LSMOD_F := $(LSMOD)
+ifeq ($(findstring /,$(LSMOD)),)
+  LSMOD_F := $(objtree)/$(LSMOD)
+endif
+endif
 
 localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
-        $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
-        $(Q)if [ -f .config ]; then                             \
-                        cmp -s .tmp.config .config ||           \
-                        (mv -f .config .config.old.1;           \
-                         mv -f .tmp.config .config;             \
-                         $(obj)/conf -s $(Kconfig);             \
-                         mv -f .config.old.1 .config.old)       \
-        else                                                    \
-                        mv -f .tmp.config .config;              \
-                        $(obj)/conf -s $(Kconfig);              \
+        $(Q)mkdir -p include/generated
+        $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
+        $(Q)if [ -f .config ]; then                                     \
+                        cmp -s .tmp.config .config ||                   \
+                        (mv -f .config .config.old.1;                   \
+                         mv -f .tmp.config .config;                     \
+                         $(obj)/conf --silentoldconfig $(Kconfig);      \
+                         mv -f .config.old.1 .config.old)               \
+        else                                                            \
+                        mv -f .tmp.config .config;                      \
+                        $(obj)/conf --silentoldconfig $(Kconfig);       \
         fi
         $(Q)rm -f .tmp.config
 
 localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
-        $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
+        $(Q)mkdir -p include/generated
+        $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
         $(Q)sed -i s/=m/=y/ .tmp.config
-        $(Q)if [ -f .config ]; then                             \
-                        cmp -s .tmp.config .config ||           \
-                        (mv -f .config .config.old.1;           \
-                         mv -f .tmp.config .config;             \
-                         $(obj)/conf -s $(Kconfig);             \
-                         mv -f .config.old.1 .config.old)       \
-        else                                                    \
-                        mv -f .tmp.config .config;              \
-                        $(obj)/conf -s $(Kconfig);              \
+        $(Q)if [ -f .config ]; then                                     \
+                        cmp -s .tmp.config .config ||                   \
+                        (mv -f .config .config.old.1;                   \
+                         mv -f .tmp.config .config;                     \
+                         $(obj)/conf --silentoldconfig $(Kconfig);      \
+                         mv -f .config.old.1 .config.old)               \
+        else                                                            \
+                        mv -f .tmp.config .config;                      \
+                        $(obj)/conf --silentoldconfig $(Kconfig);       \
         fi
         $(Q)rm -f .tmp.config
 
@@ -85,30 +95,29 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
         $(Q)rm -f arch/um/Kconfig.arch
         $(Q)rm -f $(obj)/config.pot
 
-PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
+PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
 
-randconfig: $(obj)/conf
-        $< -r $(Kconfig)
+allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
+        $< --$@ $(Kconfig)
 
-allyesconfig: $(obj)/conf
-        $< -y $(Kconfig)
+PHONY += listnewconfig oldnoconfig savedefconfig defconfig
 
-allnoconfig: $(obj)/conf
-        $< -n $(Kconfig)
+listnewconfig oldnoconfig: $(obj)/conf
+        $< --$@ $(Kconfig)
 
-allmodconfig: $(obj)/conf
-        $< -m $(Kconfig)
+savedefconfig: $(obj)/conf
+        $< --$@=defconfig $(Kconfig)
 
 defconfig: $(obj)/conf
 ifeq ($(KBUILD_DEFCONFIG),)
-        $< -d $(Kconfig)
+        $< --defconfig $(Kconfig)
 else
         @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
-        $(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
+        $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 endif
 
 %_defconfig: $(obj)/conf
-        $(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
+        $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 
 # Help text used by make help
 help:
@@ -121,22 +130,23 @@ help:
         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
         @echo  '  localyesconfig  - Update current config converting local mods to core'
         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
-        @echo  '  randconfig      - New config with random answer to all options'
-        @echo  '  defconfig       - New config with default answer to all options'
-        @echo  '  allmodconfig    - New config selecting modules when possible'
-        @echo  '  allyesconfig    - New config where all options are accepted with yes'
+        @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
+        @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
         @echo  '  allnoconfig     - New config where all options are answered with no'
+        @echo  '  allyesconfig    - New config where all options are accepted with yes'
+        @echo  '  allmodconfig    - New config selecting modules when possible'
+        @echo  '  alldefconfig    - New config with all symbols set to default'
+        @echo  '  randconfig      - New config with random answer to all options'
+        @echo  '  listnewconfig   - List new options'
+        @echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 
 # Use recursively expanded variables so we do not call gcc unless
 # we really need to do so. (Do not call gcc as part of make mrproper)
-HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
-HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-
-HOST_EXTRACFLAGS += -DLOCALE
-
+HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
+                    -DLOCALE
 
 # ===========================================================================
 # Shared Makefile for the various kconfig executables:
@@ -195,7 +205,7 @@ clean-files     += config.pot linux.pot
 PHONY += $(obj)/dochecklxdialog
 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 $(obj)/dochecklxdialog:
-        $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
+        $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 
 always := dochecklxdialog
 
@@ -209,10 +219,12 @@ HOSTCFLAGS_zconf.tab.o	:= -I$(src)
 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS) -ldl
 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
 
-HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
+HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
                           -D LKC_DIRECT_LINK
 
+HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
+
 HOSTLOADLIBES_nconf     = -lmenu -lpanel -lncurses
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
@@ -223,40 +235,48 @@ $(obj)/.tmp_qtcheck: $(src)/Makefile
 # QT needs some extra effort...
 $(obj)/.tmp_qtcheck:
         @set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
-        pkg-config --exists qt 2> /dev/null && pkg=qt; \
-        pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
-        if [ -n "$$pkg" ]; then \
-          cflags="\$$(shell pkg-config $$pkg --cflags)"; \
-          libs="\$$(shell pkg-config $$pkg --libs)"; \
-          moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
-          dir="$$(pkg-config $$pkg --variable=prefix)"; \
+        if ! pkg-config --exists QtCore 2> /dev/null; then \
+            echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
+            pkg-config --exists qt 2> /dev/null && pkg=qt; \
+            pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
+            if [ -n "$$pkg" ]; then \
+              cflags="\$$(shell pkg-config $$pkg --cflags)"; \
+              libs="\$$(shell pkg-config $$pkg --libs)"; \
+              moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
+              dir="$$(pkg-config $$pkg --variable=prefix)"; \
+            else \
+              for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
+                if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
+              done; \
+              if [ -z "$$dir" ]; then \
+                echo "*"; \
+                echo "* Unable to find any QT installation. Please make sure that"; \
+                echo "* the QT4 or QT3 development package is correctly installed and"; \
+                echo "* either qmake can be found or install pkg-config or set"; \
+                echo "* the QTDIR environment variable to the correct location."; \
+                echo "*"; \
+                false; \
+              fi; \
+              libpath=$$dir/lib; lib=qt; osdir=""; \
+              $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
+                osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
+              test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
+              test -f $$libpath/libqt-mt.so && lib=qt-mt; \
+              cflags="-I$$dir/include"; \
+              libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
+              moc="$$dir/bin/moc"; \
+            fi; \
+            if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
+              echo "*"; \
+              echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
+              echo "*"; \
+              moc="/usr/bin/moc"; \
+            fi; \
         else \
-          for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
-            if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
-          done; \
-          if [ -z "$$dir" ]; then \
-            echo "*"; \
-            echo "* Unable to find the QT3 installation. Please make sure that"; \
-            echo "* the QT3 development package is correctly installed and"; \
-            echo "* either install pkg-config or set the QTDIR environment"; \
-            echo "* variable to the correct location."; \
-            echo "*"; \
-            false; \
-          fi; \
-          libpath=$$dir/lib; lib=qt; osdir=""; \
-          $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
-            osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
-          test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
-          test -f $$libpath/libqt-mt.so && lib=qt-mt; \
-          cflags="-I$$dir/include"; \
-          libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
-          moc="$$dir/bin/moc"; \
-        fi; \
-        if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
-          echo "*"; \
-          echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
-          echo "*"; \
-          moc="/usr/bin/moc"; \
+          cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
+          libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
+          binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
+          moc="$$binpath/bin/moc"; \
         fi; \
         echo "KC_QT_CFLAGS=$$cflags" > $@; \
         echo "KC_QT_LIBS=$$libs" >> $@; \
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 9960d1c303f..659326c3e89 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -10,6 +10,7 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#include <getopt.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 
@@ -19,16 +20,21 @@
 static void conf(struct menu *menu);
 static void check_conf(struct menu *menu);
 
-enum {
-        ask_all,
-        ask_new,
-        ask_silent,
-        set_default,
-        set_yes,
-        set_mod,
-        set_no,
-        set_random
-} input_mode = ask_all;
+enum input_mode {
+        oldaskconfig,
+        silentoldconfig,
+        oldconfig,
+        allnoconfig,
+        allyesconfig,
+        allmodconfig,
+        alldefconfig,
+        randconfig,
+        defconfig,
+        savedefconfig,
+        listnewconfig,
+        oldnoconfig,
+} input_mode = oldaskconfig;
+
 char *defconfig_file;
 
 static int indent = 1;
@@ -93,16 +99,16 @@ static int conf_askvalue(struct symbol *sym, const char *def)
         }
 
         switch (input_mode) {
-        case ask_new:
-        case ask_silent:
+        case oldconfig:
+        case silentoldconfig:
                 if (sym_has_value(sym)) {
                         printf("%s\n", def);
                         return 0;
                 }
                 check_stdin();
-        case ask_all:
+        case oldaskconfig:
                 fflush(stdout);
-                fgets(line, 128, stdin);
+                xfgets(line, 128, stdin);
                 return 1;
         default:
                 break;
@@ -156,14 +162,12 @@ static int conf_string(struct menu *menu)
 static int conf_sym(struct menu *menu)
 {
         struct symbol *sym = menu->sym;
-        int type;
         tristate oldval, newval;
 
         while (1) {
                 printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
                 if (sym->name)
                         printf("(%s) ", sym->name);
-                type = sym_get_type(sym);
                 putchar('[');
                 oldval = sym_get_tristate_value(sym);
                 switch (oldval) {
@@ -228,11 +232,9 @@ static int conf_choice(struct menu *menu)
 {
         struct symbol *sym, *def_sym;
         struct menu *child;
-        int type;
         bool is_new;
 
         sym = menu->sym;
-        type = sym_get_type(sym);
         is_new = !sym_has_value(sym);
         if (sym_is_changable(sym)) {
                 conf_sym(menu);
@@ -294,17 +296,17 @@ static int conf_choice(struct menu *menu)
                         printf("?");
                 printf("]: ");
                 switch (input_mode) {
-                case ask_new:
-                case ask_silent:
+                case oldconfig:
+                case silentoldconfig:
                         if (!is_new) {
                                 cnt = def;
                                 printf("%d\n", cnt);
                                 break;
                         }
                         check_stdin();
-                case ask_all:
+                case oldaskconfig:
                         fflush(stdout);
-                        fgets(line, 128, stdin);
+                        xfgets(line, 128, stdin);
                         strip(line);
                         if (line[0] == '?') {
                                 print_help(menu);
@@ -360,7 +362,10 @@ static void conf(struct menu *menu)
 
                 switch (prop->type) {
                 case P_MENU:
-                        if (input_mode == ask_silent && rootEntry != menu) {
+                        if ((input_mode == silentoldconfig ||
+                             input_mode == listnewconfig ||
+                             input_mode == oldnoconfig) &&
+                            rootEntry != menu) {
                                 check_conf(menu);
                                 return;
                         }
@@ -418,10 +423,16 @@ static void check_conf(struct menu *menu)
         if (sym && !sym_has_value(sym)) {
                 if (sym_is_changable(sym) ||
                     (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
-                        if (!conf_cnt++)
-                                printf(_("*\n* Restart config...\n*\n"));
-                        rootEntry = menu_get_parent_menu(menu);
-                        conf(rootEntry);
+                        if (input_mode == listnewconfig) {
+                                if (sym->name && !sym_is_choice_value(sym)) {
+                                        printf("%s%s\n", CONFIG_, sym->name);
+                                }
+                        } else if (input_mode != oldnoconfig) {
+                                if (!conf_cnt++)
+                                        printf(_("*\n* Restart config...\n*\n"));
+                                rootEntry = menu_get_parent_menu(menu);
+                                conf(rootEntry);
+                        }
                 }
         }
 
@@ -429,6 +440,22 @@ static void check_conf(struct menu *menu)
                 check_conf(child);
 }
 
+static struct option long_opts[] = {
+        {"oldaskconfig",    no_argument,       NULL, oldaskconfig},
+        {"oldconfig",       no_argument,       NULL, oldconfig},
+        {"silentoldconfig", no_argument,       NULL, silentoldconfig},
+        {"defconfig",       optional_argument, NULL, defconfig},
+        {"savedefconfig",   required_argument, NULL, savedefconfig},
+        {"allnoconfig",     no_argument,       NULL, allnoconfig},
+        {"allyesconfig",    no_argument,       NULL, allyesconfig},
+        {"allmodconfig",    no_argument,       NULL, allmodconfig},
+        {"alldefconfig",    no_argument,       NULL, alldefconfig},
+        {"randconfig",      no_argument,       NULL, randconfig},
+        {"listnewconfig",   no_argument,       NULL, listnewconfig},
+        {"oldnoconfig",     no_argument,       NULL, oldnoconfig},
+        {NULL, 0, NULL, 0}
+};
+
 int main(int ac, char **av)
 {
         int opt;
@@ -439,32 +466,17 @@ int main(int ac, char **av)
         bindtextdomain(PACKAGE, LOCALEDIR);
         textdomain(PACKAGE);
 
-        while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
+        while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
+                input_mode = (enum input_mode)opt;
                 switch (opt) {
-                case 'o':
-                        input_mode = ask_silent;
-                        break;
-                case 's':
-                        input_mode = ask_silent;
+                case silentoldconfig:
                         sync_kconfig = 1;
                         break;
-                case 'd':
-                        input_mode = set_default;
-                        break;
-                case 'D':
-                        input_mode = set_default;
+                case defconfig:
+                case savedefconfig:
                         defconfig_file = optarg;
                         break;
-                case 'n':
-                        input_mode = set_no;
-                        break;
-                case 'm':
-                        input_mode = set_mod;
-                        break;
-                case 'y':
-                        input_mode = set_yes;
-                        break;
-                case 'r':
+                case randconfig:
                 {
                         struct timeval now;
                         unsigned int seed;
@@ -477,17 +489,12 @@ int main(int ac, char **av)
 
                         seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
                         srand(seed);
-
-                        input_mode = set_random;
                         break;
                 }
-                case 'h':
-                        printf(_("See README for usage info\n"));
-                        exit(0);
-                        break;
-                default:
+                case '?':
                         fprintf(stderr, _("See README for usage info\n"));
                         exit(1);
+                        break;
                 }
         }
         if (ac == optind) {
@@ -501,8 +508,7 @@ int main(int ac, char **av)
                 name = conf_get_configname();
                 if (stat(name, &tmpstat)) {
                         fprintf(stderr, _("***\n"
-                                "*** You have not yet configured your kernel!\n"
-                                "*** (missing kernel config file \"%s\")\n"
+                                "*** Configuration file \"%s\" not found!\n"
                                 "***\n"
                                 "*** Please run some configurator (e.g. \"make oldconfig\" or\n"
                                 "*** \"make menuconfig\" or \"make xconfig\").\n"
@@ -512,7 +518,7 @@ int main(int ac, char **av)
         }
 
         switch (input_mode) {
-        case set_default:
+        case defconfig:
                 if (!defconfig_file)
                         defconfig_file = conf_get_default_confname();
                 if (conf_read(defconfig_file)) {
@@ -522,25 +528,30 @@ int main(int ac, char **av)
                         exit(1);
                 }
                 break;
-        case ask_silent:
-        case ask_all:
-        case ask_new:
+        case savedefconfig:
+        case silentoldconfig:
+        case oldaskconfig:
+        case oldconfig:
+        case listnewconfig:
+        case oldnoconfig:
                 conf_read(NULL);
                 break;
-        case set_no:
-        case set_mod:
-        case set_yes:
-        case set_random:
+        case allnoconfig:
+        case allyesconfig:
+        case allmodconfig:
+        case alldefconfig:
+        case randconfig:
                 name = getenv("KCONFIG_ALLCONFIG");
                 if (name && !stat(name, &tmpstat)) {
                         conf_read_simple(name, S_DEF_USER);
                         break;
                 }
                 switch (input_mode) {
-                case set_no:     name = "allno.config"; break;
-                case set_mod:    name = "allmod.config"; break;
-                case set_yes:    name = "allyes.config"; break;
-                case set_random: name = "allrandom.config"; break;
+                case allnoconfig:       name = "allno.config"; break;
+                case allyesconfig:      name = "allyes.config"; break;
+                case allmodconfig:      name = "allmod.config"; break;
+                case alldefconfig:      name = "alldef.config"; break;
+                case randconfig:        name = "allrandom.config"; break;
                 default: break;
                 }
                 if (!stat(name, &tmpstat))
@@ -557,7 +568,7 @@ int main(int ac, char **av)
                         name = getenv("KCONFIG_NOSILENTUPDATE");
                         if (name && *name) {
                                 fprintf(stderr,
-                                        _("\n*** Kernel configuration requires explicit update.\n\n"));
+                                        _("\n*** The configuration requires explicit update.\n\n"));
                                 return 1;
                         }
                 }
@@ -565,33 +576,42 @@ int main(int ac, char **av)
         }
 
         switch (input_mode) {
-        case set_no:
+        case allnoconfig:
                 conf_set_all_new_symbols(def_no);
                 break;
-        case set_yes:
+        case allyesconfig:
                 conf_set_all_new_symbols(def_yes);
                 break;
-        case set_mod:
+        case allmodconfig:
                 conf_set_all_new_symbols(def_mod);
                 break;
-        case set_random:
+        case alldefconfig:
+                conf_set_all_new_symbols(def_default);
+                break;
+        case randconfig:
                 conf_set_all_new_symbols(def_random);
                 break;
-        case set_default:
+        case defconfig:
                 conf_set_all_new_symbols(def_default);
                 break;
-        case ask_new:
-        case ask_all:
+        case savedefconfig:
+                break;
+        case oldaskconfig:
                 rootEntry = &rootmenu;
                 conf(&rootmenu);
-                input_mode = ask_silent;
+                input_mode = silentoldconfig;
                 /* fall through */
-        case ask_silent:
+        case oldconfig:
+        case listnewconfig:
+        case oldnoconfig:
+        case silentoldconfig:
                 /* Update until a loop caused no more changes */
                 do {
                         conf_cnt = 0;
                         check_conf(&rootmenu);
-                } while (conf_cnt);
+                } while (conf_cnt &&
+                         (input_mode != listnewconfig &&
+                          input_mode != oldnoconfig));
                 break;
         }
 
@@ -600,18 +620,35 @@ int main(int ac, char **av)
                  * All other commands are only used to generate a config.
                  */
                 if (conf_get_changed() && conf_write(NULL)) {
-                        fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
+                        fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
                         exit(1);
                 }
                 if (conf_write_autoconf()) {
-                        fprintf(stderr, _("\n*** Error during update of the kernel configuration.\n\n"));
+                        fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
                         return 1;
                 }
-        } else {
+        } else if (input_mode == savedefconfig) {
+                if (conf_write_defconfig(defconfig_file)) {
+                        fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
+                                defconfig_file);
+                        return 1;
+                }
+        } else if (input_mode != listnewconfig) {
                 if (conf_write(NULL)) {
-                        fprintf(stderr, _("\n*** Error during writing of the kernel configuration.\n\n"));
+                        fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
                         exit(1);
                 }
         }
         return 0;
 }
+/*
+ * Helper function to facilitate fgets() by Jean Sacren.
+ */
+void xfgets(str, size, in)
+        char *str;
+        int size;
+        FILE *in;
+{
+        if (fgets(str, size, in) == NULL)
+                fprintf(stderr, "\nError in reading or end of file.\n");
+}
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index c4dec80cfd8..61c35bf2d9c 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -5,6 +5,7 @@
 
 #include <sys/stat.h>
 #include <ctype.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -18,6 +19,9 @@
 static void conf_warning(const char *fmt, ...)
         __attribute__ ((format (printf, 1, 2)));
 
+static void conf_message(const char *fmt, ...)
+        __attribute__ ((format (printf, 1, 2)));
+
 static const char *conf_filename;
 static int conf_lineno, conf_warnings, conf_unsaved;
 
@@ -34,6 +38,29 @@ static void conf_warning(const char *fmt, ...)
         conf_warnings++;
 }
 
+static void conf_default_message_callback(const char *fmt, va_list ap)
+{
+        printf("#\n# ");
+        vprintf(fmt, ap);
+        printf("\n#\n");
+}
+
+static void (*conf_message_callback) (const char *fmt, va_list ap) =
+        conf_default_message_callback;
+void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
+{
+        conf_message_callback = fn;
+}
+
+static void conf_message(const char *fmt, ...)
+{
+        va_list ap;
+
+        va_start(ap, fmt);
+        if (conf_message_callback)
+                conf_message_callback(fmt, ap);
+}
+
 const char *conf_get_configname(void)
 {
         char *name = getenv("KCONFIG_CONFIG");
@@ -170,8 +197,11 @@ int conf_read_simple(const char *name, int def)
                 if (in)
                         goto load;
                 sym_add_change_count(1);
-                if (!sym_defconfig_list)
+                if (!sym_defconfig_list) {
+                        if (modules_sym)
+                                sym_calc_value(modules_sym);
                         return 1;
+                }
 
                 for_all_defaults(sym_defconfig_list, prop) {
                         if (expr_calc_value(prop->visible.expr) == no ||
@@ -180,9 +210,8 @@ int conf_read_simple(const char *name, int def)
                         name = conf_expand_value(prop->expr->left.sym->name);
                         in = zconf_fopen(name);
                         if (in) {
-                                printf(_("#\n"
-                                         "# using defaults found in %s\n"
-                                         "#\n"), name);
+                                conf_message(_("using defaults found in %s"),
+                                         name);
                                 goto load;
                         }
                 }
@@ -217,24 +246,23 @@ load:
         while (fgets(line, sizeof(line), in)) {
                 conf_lineno++;
                 sym = NULL;
-                switch (line[0]) {
-                case '#':
-                        if (memcmp(line + 2, "CONFIG_", 7))
+                if (line[0] == '#') {
+                        if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
                                 continue;
-                        p = strchr(line + 9, ' ');
+                        p = strchr(line + 2 + strlen(CONFIG_), ' ');
                         if (!p)
                                 continue;
                         *p++ = 0;
                         if (strncmp(p, "is not set", 10))
                                 continue;
                         if (def == S_DEF_USER) {
-                                sym = sym_find(line + 9);
+                                sym = sym_find(line + 2 + strlen(CONFIG_));
                                 if (!sym) {
                                         sym_add_change_count(1);
-                                        break;
+                                        goto setsym;
                                 }
                         } else {
-                                sym = sym_lookup(line + 9, 0);
+                                sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
                                 if (sym->type == S_UNKNOWN)
                                         sym->type = S_BOOLEAN;
                         }
@@ -250,13 +278,8 @@ load:
                         default:
                                 ;
                         }
-                        break;
-                case 'C':
-                        if (memcmp(line, "CONFIG_", 7)) {
-                                conf_warning("unexpected data");
-                                continue;
-                        }
-                        p = strchr(line + 7, '=');
+                } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
+                        p = strchr(line + strlen(CONFIG_), '=');
                         if (!p)
                                 continue;
                         *p++ = 0;
@@ -267,13 +290,13 @@ load:
                                         *p2 = 0;
                         }
                         if (def == S_DEF_USER) {
-                                sym = sym_find(line + 7);
+                                sym = sym_find(line + strlen(CONFIG_));
                                 if (!sym) {
                                         sym_add_change_count(1);
-                                        break;
+                                        goto setsym;
                                 }
                         } else {
-                                sym = sym_lookup(line + 7, 0);
+                                sym = sym_lookup(line + strlen(CONFIG_), 0);
                                 if (sym->type == S_UNKNOWN)
                                         sym->type = S_OTHER;
                         }
@@ -282,14 +305,12 @@ load:
                         }
                         if (conf_set_sym_val(sym, def, def_flags, p))
                                 continue;
-                        break;
-                case '\r':
-                case '\n':
-                        break;
-                default:
-                        conf_warning("unexpected data");
+                } else {
+                        if (line[0] != '\r' && line[0] != '\n')
+                                conf_warning("unexpected data");
                         continue;
                 }
+setsym:
                 if (sym && sym_is_choice_value(sym)) {
                         struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
                         switch (sym->def[def].tri) {
@@ -396,15 +417,149 @@ int conf_read(const char *name)
         return 0;
 }
 
+/* Write a S_STRING */
+static void conf_write_string(bool headerfile, const char *name,
+                              const char *str, FILE *out)
+{
+        int l;
+        if (headerfile)
+                fprintf(out, "#define %s%s \"", CONFIG_, name);
+        else
+                fprintf(out, "%s%s=\"", CONFIG_, name);
+
+        while (1) {
+                l = strcspn(str, "\"\\");
+                if (l) {
+                        xfwrite(str, l, 1, out);
+                        str += l;
+                }
+                if (!*str)
+                        break;
+                fprintf(out, "\\%c", *str++);
+        }
+        fputs("\"\n", out);
+}
+
+static void conf_write_symbol(struct symbol *sym, FILE *out, bool write_no)
+{
+        const char *str;
+
+        switch (sym->type) {
+        case S_BOOLEAN:
+        case S_TRISTATE:
+                switch (sym_get_tristate_value(sym)) {
+                case no:
+                        if (write_no)
+                                fprintf(out, "# %s%s is not set\n",
+                                    CONFIG_, sym->name);
+                        break;
+                case mod:
+                        fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
+                        break;
+                case yes:
+                        fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
+                        break;
+                }
+                break;
+        case S_STRING:
+                conf_write_string(false, sym->name, sym_get_string_value(sym), out);
+                break;
+        case S_HEX:
+        case S_INT:
+                str = sym_get_string_value(sym);
+                fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
+                break;
+        case S_OTHER:
+        case S_UNKNOWN:
+                break;
+        }
+}
+
+/*
+ * Write out a minimal config.
+ * All values that has default values are skipped as this is redundant.
+ */
+int conf_write_defconfig(const char *filename)
+{
+        struct symbol *sym;
+        struct menu *menu;
+        FILE *out;
+
+        out = fopen(filename, "w");
+        if (!out)
+                return 1;
+
+        sym_clear_all_valid();
+
+        /* Traverse all menus to find all relevant symbols */
+        menu = rootmenu.list;
+
+        while (menu != NULL)
+        {
+                sym = menu->sym;
+                if (sym == NULL) {
+                        if (!menu_is_visible(menu))
+                                goto next_menu;
+                } else if (!sym_is_choice(sym)) {
+                        sym_calc_value(sym);
+                        if (!(sym->flags & SYMBOL_WRITE))
+                                goto next_menu;
+                        sym->flags &= ~SYMBOL_WRITE;
+                        /* If we cannot change the symbol - skip */
+                        if (!sym_is_changable(sym))
+                                goto next_menu;
+                        /* If symbol equals to default value - skip */
+                        if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
+                                goto next_menu;
+
+                        /*
+                         * If symbol is a choice value and equals to the
+                         * default for a choice - skip.
+                         * But only if value is bool and equal to "y" and
+                         * choice is not "optional".
+                         * (If choice is "optional" then all values can be "n")
+                         */
+                        if (sym_is_choice_value(sym)) {
+                                struct symbol *cs;
+                                struct symbol *ds;
+
+                                cs = prop_get_symbol(sym_get_choice_prop(sym));
+                                ds = sym_choice_default(cs);
+                                if (!sym_is_optional(cs) && sym == ds) {
+                                        if ((sym->type == S_BOOLEAN) &&
+                                            sym_get_tristate_value(sym) == yes)
+                                                goto next_menu;
+                                }
+                        }
+                        conf_write_symbol(sym, out, true);
+                }
+next_menu:
+                if (menu->list != NULL) {
+                        menu = menu->list;
+                }
+                else if (menu->next != NULL) {
+                        menu = menu->next;
+                } else {
+                        while ((menu = menu->parent)) {
+                                if (menu->next != NULL) {
+                                        menu = menu->next;
+                                        break;
+                                }
+                        }
+                }
+        }
+        fclose(out);
+        return 0;
+}
+
 int conf_write(const char *name)
 {
         FILE *out;
         struct symbol *sym;
         struct menu *menu;
         const char *basename;
-        char dirname[128], tmpname[128], newname[128];
-        int type, l;
         const char *str;
+        char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
         time_t now;
         int use_timestamp = 1;
         char *env;
@@ -443,8 +598,6 @@ int conf_write(const char *name)
         if (!out)
                 return 1;
 
-        sym = sym_lookup("KERNELVERSION", 0);
-        sym_calc_value(sym);
         time(&now);
         env = getenv("KCONFIG_NOTIMESTAMP");
         if (env && *env)
@@ -452,10 +605,10 @@ int conf_write(const char *name)
 
         fprintf(out, _("#\n"
                        "# Automatically generated make config: don't edit\n"
-                       "# Linux kernel version: %s\n"
+                       "# %s\n"
                        "%s%s"
                        "#\n"),
-                     sym_get_string_value(sym),
+                     rootmenu.prompt->text,
                      use_timestamp ? "# " : "",
                      use_timestamp ? ctime(&now) : "");
 
@@ -478,56 +631,11 @@ int conf_write(const char *name)
                         if (!(sym->flags & SYMBOL_WRITE))
                                 goto next;
                         sym->flags &= ~SYMBOL_WRITE;
-                        type = sym->type;
-                        if (type == S_TRISTATE) {
-                                sym_calc_value(modules_sym);
-                                if (modules_sym->curr.tri == no)
-                                        type = S_BOOLEAN;
-                        }
-                        switch (type) {
-                        case S_BOOLEAN:
-                        case S_TRISTATE:
-                                switch (sym_get_tristate_value(sym)) {
-                                case no:
-                                        fprintf(out, "# CONFIG_%s is not set\n", sym->name);
-                                        break;
-                                case mod:
-                                        fprintf(out, "CONFIG_%s=m\n", sym->name);
-                                        break;
-                                case yes:
-                                        fprintf(out, "CONFIG_%s=y\n", sym->name);
-                                        break;
-                                }
-                                break;
-                        case S_STRING:
-                                str = sym_get_string_value(sym);
-                                fprintf(out, "CONFIG_%s=\"", sym->name);
-                                while (1) {
-                                        l = strcspn(str, "\"\\");
-                                        if (l) {
-                                                fwrite(str, l, 1, out);
-                                                str += l;
-                                        }
-                                        if (!*str)
-                                                break;
-                                        fprintf(out, "\\%c", *str++);
-                                }
-                                fputs("\"\n", out);
-                                break;
-                        case S_HEX:
-                                str = sym_get_string_value(sym);
-                                if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-                                        fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                                        break;
-                                }
-                        case S_INT:
-                                str = sym_get_string_value(sym);
-                                fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                                break;
-                        }
+                        /* Write config symbol to file */
+                        conf_write_symbol(sym, out, true);
                 }
 
-        next:
+next:
                 if (menu->list) {
                         menu = menu->list;
                         continue;
@@ -551,9 +659,7 @@ int conf_write(const char *name)
                         return 1;
         }
 
-        printf(_("#\n"
-                 "# configuration written to %s\n"
-                 "#\n"), newname);
+        conf_message(_("configuration written to %s"), newname);
 
         sym_set_change_count(0);
 
@@ -563,7 +669,7 @@ int conf_write(const char *name)
 static int conf_split_config(void)
 {
         const char *name;
-        char path[128];
+        char path[PATH_MAX+1];
         char *s, *d, c;
         struct symbol *sym;
         struct stat sb;
@@ -679,7 +785,7 @@ int conf_write_autoconf(void)
         const char *name;
         FILE *out, *tristate, *out_h;
         time_t now;
-        int i, l;
+        int i;
 
         sym_clear_all_valid();
 
@@ -705,30 +811,32 @@ int conf_write_autoconf(void)
                 return 1;
         }
 
-        sym = sym_lookup("KERNELVERSION", 0);
-        sym_calc_value(sym);
         time(&now);
         fprintf(out, "#\n"
                      "# Automatically generated make config: don't edit\n"
-                     "# Linux kernel version: %s\n"
+                     "# %s\n"
                      "# %s"
                      "#\n",
-                     sym_get_string_value(sym), ctime(&now));
+                     rootmenu.prompt->text, ctime(&now));
         fprintf(tristate, "#\n"
                           "# Automatically generated - do not edit\n"
                           "\n");
         fprintf(out_h, "/*\n"
                        " * Automatically generated C config: don't edit\n"
-                       " * Linux kernel version: %s\n"
+                       " * %s\n"
                        " * %s"
-                       " */\n"
-                       "#define AUTOCONF_INCLUDED\n",
-                       sym_get_string_value(sym), ctime(&now));
+                       " */\n",
+                       rootmenu.prompt->text, ctime(&now));
 
         for_all_symbols(i, sym) {
                 sym_calc_value(sym);
                 if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
                         continue;
+
+                /* write symbol to config file */
+                conf_write_symbol(sym, out, false);
+
+                /* update autoconf and tristate files */
                 switch (sym->type) {
                 case S_BOOLEAN:
                 case S_TRISTATE:
@@ -736,50 +844,34 @@ int conf_write_autoconf(void)
                         case no:
                                 break;
                         case mod:
-                                fprintf(out, "CONFIG_%s=m\n", sym->name);
-                                fprintf(tristate, "CONFIG_%s=M\n", sym->name);
-                                fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
+                                fprintf(tristate, "%s%s=M\n",
+                                    CONFIG_, sym->name);
+                                fprintf(out_h, "#define %s%s_MODULE 1\n",
+                                    CONFIG_, sym->name);
                                 break;
                         case yes:
-                                fprintf(out, "CONFIG_%s=y\n", sym->name);
                                 if (sym->type == S_TRISTATE)
-                                        fprintf(tristate, "CONFIG_%s=Y\n",
-                                                        sym->name);
-                                fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
+                                        fprintf(tristate,"%s%s=Y\n",
+                                            CONFIG_, sym->name);
+                                fprintf(out_h, "#define %s%s 1\n",
+                                    CONFIG_, sym->name);
                                 break;
                         }
                         break;
                 case S_STRING:
-                        str = sym_get_string_value(sym);
-                        fprintf(out, "CONFIG_%s=\"", sym->name);
-                        fprintf(out_h, "#define CONFIG_%s \"", sym->name);
-                        while (1) {
-                                l = strcspn(str, "\"\\");
-                                if (l) {
-                                        fwrite(str, l, 1, out);
-                                        fwrite(str, l, 1, out_h);
-                                        str += l;
-                                }
-                                if (!*str)
-                                        break;
-                                fprintf(out, "\\%c", *str);
-                                fprintf(out_h, "\\%c", *str);
-                                str++;
-                        }
-                        fputs("\"\n", out);
-                        fputs("\"\n", out_h);
+                        conf_write_string(true, sym->name, sym_get_string_value(sym), out_h);
                         break;
                 case S_HEX:
                         str = sym_get_string_value(sym);
                         if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-                                fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                                fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
+                                fprintf(out_h, "#define %s%s 0x%s\n",
+                                    CONFIG_, sym->name, str);
                                 break;
                         }
                 case S_INT:
                         str = sym_get_string_value(sym);
-                        fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                        fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
+                        fprintf(out_h, "#define %s%s %s\n",
+                            CONFIG_, sym->name, str);
                         break;
                 default:
                         break;
@@ -837,13 +929,73 @@ void conf_set_changed_callback(void (*fn)(void))
         conf_changed_callback = fn;
 }
 
+static void randomize_choice_values(struct symbol *csym)
+{
+        struct property *prop;
+        struct symbol *sym;
+        struct expr *e;
+        int cnt, def;
+
+        /*
+         * If choice is mod then we may have more items selected
+         * and if no then no-one.
+         * In both cases stop.
+         */
+        if (csym->curr.tri != yes)
+                return;
+
+        prop = sym_get_choice_prop(csym);
+
+        /* count entries in choice block */
+        cnt = 0;
+        expr_list_for_each_sym(prop->expr, e, sym)
+                cnt++;
+
+        /*
+         * find a random value and set it to yes,
+         * set the rest to no so we have only one set
+         */
+        def = (rand() % cnt);
+
+        cnt = 0;
+        expr_list_for_each_sym(prop->expr, e, sym) {
+                if (def == cnt++) {
+                        sym->def[S_DEF_USER].tri = yes;
+                        csym->def[S_DEF_USER].val = sym;
+                }
+                else {
+                        sym->def[S_DEF_USER].tri = no;
+                }
+        }
+        csym->flags |= SYMBOL_DEF_USER;
+        /* clear VALID to get value calculated */
+        csym->flags &= ~(SYMBOL_VALID);
+}
+
+static void set_all_choice_values(struct symbol *csym)
+{
+        struct property *prop;
+        struct symbol *sym;
+        struct expr *e;
+
+        prop = sym_get_choice_prop(csym);
+
+        /*
+         * Set all non-assinged choice values to no
+         */
+        expr_list_for_each_sym(prop->expr, e, sym) {
+                if (!sym_has_value(sym))
+                        sym->def[S_DEF_USER].tri = no;
+        }
+        csym->flags |= SYMBOL_DEF_USER;
+        /* clear VALID to get value calculated */
+        csym->flags &= ~(SYMBOL_VALID);
+}
 
 void conf_set_all_new_symbols(enum conf_def_mode mode)
 {
         struct symbol *sym, *csym;
-        struct property *prop;
-        struct expr *e;
-        int i, cnt, def;
+        int i, cnt;
 
         for_all_symbols(i, sym) {
                 if (sym_has_value(sym))
@@ -862,7 +1014,8 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
                                 sym->def[S_DEF_USER].tri = no;
                                 break;
                         case def_random:
-                                sym->def[S_DEF_USER].tri = (tristate)(rand() % 3);
+                                cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
+                                sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
                                 break;
                         default:
                                 continue;
@@ -878,14 +1031,12 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
 
         sym_clear_all_valid();
 
-        if (mode != def_random)
-                return;
         /*
          * We have different type of choice blocks.
-         * If curr.tri equal to mod then we can select several
+         * If curr.tri equals to mod then we can select several
          * choice symbols in one block.
          * In this case we do nothing.
-         * If curr.tri equal yes then only one symbol can be
+         * If curr.tri equals yes then only one symbol can be
          * selected in a choice block and we set it to yes,
          * and the rest to no.
          */
@@ -894,35 +1045,9 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
                         continue;
 
                 sym_calc_value(csym);
-
-                if (csym->curr.tri != yes)
-                        continue;
-
-                prop = sym_get_choice_prop(csym);
-
-                /* count entries in choice block */
-                cnt = 0;
-                expr_list_for_each_sym(prop->expr, e, sym)
-                        cnt++;
-
-                /*
-                 * find a random value and set it to yes,
-                 * set the rest to no so we have only one set
-                 */
-                def = (rand() % cnt);
-
-                cnt = 0;
-                expr_list_for_each_sym(prop->expr, e, sym) {
-                        if (def == cnt++) {
-                                sym->def[S_DEF_USER].tri = yes;
-                                csym->def[S_DEF_USER].val = sym;
-                        }
-                        else {
-                                sym->def[S_DEF_USER].tri = no;
-                        }
-                }
-                csym->flags |= SYMBOL_DEF_USER;
-                /* clear VALID to get value calculated */
-                csym->flags &= ~(SYMBOL_VALID);
+                if (mode == def_random)
+                        randomize_choice_values(csym);
+                else
+                        set_all_choice_values(csym);
         }
 }
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index d83f2322893..001003452f6 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -64,7 +64,7 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2)
         return e2 ? expr_alloc_two(E_OR, e1, e2) : e1;
 }
 
-struct expr *expr_copy(struct expr *org)
+struct expr *expr_copy(const struct expr *org)
 {
         struct expr *e;
 
@@ -1013,6 +1013,48 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2)
 #endif
 }
 
+static inline struct expr *
+expr_get_leftmost_symbol(const struct expr *e)
+{
+
+        if (e == NULL)
+                return NULL;
+
+        while (e->type != E_SYMBOL)
+                e = e->left.expr;
+
+        return expr_copy(e);
+}
+
+/*
+ * Given expression `e1' and `e2', returns the leaf of the longest
+ * sub-expression of `e1' not containing 'e2.
+ */
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2)
+{
+        struct expr *ret;
+
+        switch (e1->type) {
+        case E_OR:
+                return expr_alloc_and(
+                    expr_simplify_unmet_dep(e1->left.expr, e2),
+                    expr_simplify_unmet_dep(e1->right.expr, e2));
+        case E_AND: {
+                struct expr *e;
+                e = expr_alloc_and(expr_copy(e1), expr_copy(e2));
+                e = expr_eliminate_dups(e);
+                ret = (!expr_eq(e, e1)) ? e1 : NULL;
+                expr_free(e);
+                break;
+                }
+        default:
+                ret = e1;
+                break;
+        }
+
+        return expr_get_leftmost_symbol(ret);
+}
+
 void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
 {
         if (!e) {
@@ -1087,7 +1129,7 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *
 
 static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
 {
-        fwrite(str, strlen(str), 1, data);
+        xfwrite(str, strlen(str), 1, data);
 }
 
 void expr_fprint(struct expr *e, FILE *out)
@@ -1121,7 +1163,7 @@ static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *s
         }
 
         str_append(gs, str);
-        if (sym)
+        if (sym && sym->type != S_UNKNOWN)
                 str_printf(gs, " [=%s]", sym_str);
 }
 
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 891cd9ce9ba..3d238db4976 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -18,7 +18,7 @@ extern "C" {
 struct file {
         struct file *next;
         struct file *parent;
-        char *name;
+        const char *name;
         int lineno;
         int flags;
 };
@@ -83,6 +83,7 @@ struct symbol {
         tristate visible;
         int flags;
         struct property *prop;
+        struct expr_value dir_dep;
         struct expr_value rev_dep;
 };
 
@@ -131,6 +132,7 @@ enum prop_type {
         P_SELECT,   /* select BAR */
         P_RANGE,    /* range 7..100 (for a symbol) */
         P_ENV,      /* value from environment variable */
+        P_SYMBOL,   /* where a symbol is defined */
 };
 
 struct property {
@@ -162,6 +164,7 @@ struct menu {
         struct menu *list;
         struct symbol *sym;
         struct property *prompt;
+        struct expr *visibility;
         struct expr *dep;
         unsigned int flags;
         char *help;
@@ -189,7 +192,7 @@ struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e
 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
 struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
 struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
-struct expr *expr_copy(struct expr *org);
+struct expr *expr_copy(const struct expr *org);
 void expr_free(struct expr *e);
 int expr_eq(struct expr *e1, struct expr *e2);
 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
@@ -204,6 +207,7 @@ struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
 struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
 void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
 struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2);
 
 void expr_fprint(struct expr *e, FILE *out);
 struct gstr; /* forward */
diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index bef10411837..455896164d7 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -133,7 +133,6 @@ void init_main_window(const gchar * glade_file)
         GladeXML *xml;
         GtkWidget *widget;
         GtkTextBuffer *txtbuf;
-        char title[256];
         GtkStyle *style;
 
         xml = glade_xml_new(glade_file, "window1", NULL);
@@ -210,9 +209,7 @@ void init_main_window(const gchar * glade_file)
                                           /*"style", PANGO_STYLE_OBLIQUE, */
                                           NULL);
 
-        sprintf(title, _("Linux Kernel v%s Configuration"),
-                getenv("KERNELVERSION"));
-        gtk_window_set_title(GTK_WINDOW(main_wnd), title);
+        gtk_window_set_title(GTK_WINDOW(main_wnd), rootmenu.prompt->text);
 
         gtk_widget_show(main_wnd);
 }
@@ -671,8 +668,7 @@ void on_introduction1_activate(GtkMenuItem * menuitem, gpointer user_data)
 {
         GtkWidget *dialog;
         const gchar *intro_text = _(
-            "Welcome to gkc, the GTK+ graphical kernel configuration tool\n"
-            "for Linux.\n"
+            "Welcome to gkc, the GTK+ graphical configuration tool\n"
             "For each option, a blank box indicates the feature is disabled, a\n"
             "check indicates it is enabled, and a dot indicates that it is to\n"
             "be compiled as a module.  Clicking on the box will cycle through the three states.\n"
@@ -1114,7 +1110,7 @@ static gchar **fill_row(struct menu *menu)
 
         row[COL_OPTION] =
             g_strdup_printf("%s %s", _(menu_get_prompt(menu)),
-                            sym && sym_has_value(sym) ? "(NEW)" : "");
+                            sym && !sym_has_value(sym) ? "(NEW)" : "");
 
         if (opt_mode == OPT_ALL && !menu_is_visible(menu))
                 row[COL_COLOR] = g_strdup("DarkGray");
@@ -1343,7 +1339,8 @@ static void update_tree(struct menu *src, GtkTreeIter * dst)
 #endif
 
                 if ((opt_mode == OPT_NORMAL && !menu_is_visible(child1)) ||
-                    (opt_mode == OPT_PROMPT && !menu_has_prompt(child1))) {
+                    (opt_mode == OPT_PROMPT && !menu_has_prompt(child1)) ||
+                    (opt_mode == OPT_ALL    && !menu_get_prompt(child1))) {
 
                         /* remove node */
                         if (gtktree_iter_find_node(dst, menu1) != NULL) {
@@ -1425,7 +1422,7 @@ static void display_tree(struct menu *menu)
 
                 if ((opt_mode == OPT_NORMAL && menu_is_visible(child)) ||
                     (opt_mode == OPT_PROMPT && menu_has_prompt(child)) ||
-                    (opt_mode == OPT_ALL))
+                    (opt_mode == OPT_ALL    && menu_get_prompt(child)))
                         place_node(child, fill_row(child));
 #ifdef DEBUG
                 printf("%*c%s: ", indent, ' ', menu_get_prompt(child));
@@ -1530,12 +1527,6 @@ int main(int ac, char *av[])
         else
                 glade_file = g_strconcat(g_get_current_dir(), "/", av[0], ".glade", NULL);
 
-        /* Load the interface and connect signals */
-        init_main_window(glade_file);
-        init_tree_model();
-        init_left_tree();
-        init_right_tree();
-
         /* Conf stuffs */
         if (ac > 1 && av[1][0] == '-') {
                 switch (av[1][1]) {
@@ -1555,6 +1546,12 @@ int main(int ac, char *av[])
         fixup_rootmenu(&rootmenu);
         conf_read(NULL);
 
+        /* Load the interface and connect signals */
+        init_main_window(glade_file);
+        init_tree_model();
+        init_left_tree();
+        init_right_tree();
+
         switch (view_mode) {
         case SINGLE_VIEW:
                 display_tree_part();
diff --git a/scripts/kconfig/gconf.glade b/scripts/kconfig/gconf.glade
index d52b0a75d82..aa483cb3275 100644
--- a/scripts/kconfig/gconf.glade
+++ b/scripts/kconfig/gconf.glade
@@ -1,5 +1,4 @@
 <?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
-<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
 
 <glade-interface>
 
diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c
index dcc3fcc0cc9..e9d8e791bf0 100644
--- a/scripts/kconfig/kxgettext.c
+++ b/scripts/kconfig/kxgettext.c
@@ -63,11 +63,11 @@ next:
 
 struct file_line {
         struct file_line *next;
-        char*            file;
-        int              lineno;
+        const char *file;
+        int lineno;
 };
 
-static struct file_line *file_line__new(char *file, int lineno)
+static struct file_line *file_line__new(const char *file, int lineno)
 {
         struct file_line *self = malloc(sizeof(*self));
 
@@ -90,7 +90,8 @@ struct message {
 
 static struct message *message__list;
 
-static struct message *message__new(const char *msg, char *option, char *file, int lineno)
+static struct message *message__new(const char *msg, char *option,
+                                    const char *file, int lineno)
 {
         struct message *self = malloc(sizeof(*self));
 
@@ -130,7 +131,8 @@ static struct message *mesage__find(const char *msg)
         return m;
 }
 
-static int message__add_file_line(struct message *self, char *file, int lineno)
+static int message__add_file_line(struct message *self, const char *file,
+                                  int lineno)
 {
         int rc = -1;
         struct file_line *fl = file_line__new(file, lineno);
@@ -145,7 +147,8 @@ out:
         return rc;
 }
 
-static int message__add(const char *msg, char *option, char *file, int lineno)
+static int message__add(const char *msg, char *option, const char *file,
+                        int lineno)
 {
         int rc = 0;
         char bf[16384];
diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
index fdc7113b08d..6eb03971825 100644
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -2373,9 +2373,10 @@ void zconf_nextfile(const char *name)
         memset(buf, 0, sizeof(*buf));
 
         current_buf->state = YY_CURRENT_BUFFER;
-        zconfin = zconf_fopen(name);
+        zconfin = zconf_fopen(file->name);
         if (!zconfin) {
-                printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+                printf("%s:%d: can't open file \"%s\"\n",
+                    zconf_curname(), zconf_lineno(), file->name);
                 exit(1);
         }
         zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
@@ -2422,7 +2423,7 @@ int zconf_lineno(void)
         return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
         return current_pos.file ? current_pos.file->name : "<none>";
 }
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index ce6549cdacc..febf0c94d55 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -14,6 +14,7 @@
 static inline const char *gettext(const char *txt) { return txt; }
 static inline void textdomain(const char *domainname) {}
 static inline void bindtextdomain(const char *name, const char *dir) {}
+static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
 #endif
 
 #ifdef __cplusplus
@@ -31,12 +32,18 @@ extern "C" {
 
 #define SRCTREE "srctree"
 
+#ifndef PACKAGE
 #define PACKAGE "linux"
+#endif
+
 #define LOCALEDIR "/usr/share/locale"
 
 #define _(text) gettext(text)
 #define N_(text) (text)
 
+#ifndef CONFIG_
+#define CONFIG_ "CONFIG_"
+#endif
 
 #define TF_COMMAND      0x0001
 #define TF_PARAM        0x0002
@@ -61,16 +68,21 @@ struct kconf_id {
         enum symbol_type stype;
 };
 
+#ifdef YYDEBUG
+extern int zconfdebug;
+#endif
+
 int zconfparse(void);
 void zconfdump(FILE *out);
-
-extern int zconfdebug;
 void zconf_starthelp(void);
 FILE *zconf_fopen(const char *name);
 void zconf_initscan(const char *name);
 void zconf_nextfile(const char *name);
 int zconf_lineno(void);
-char *zconf_curname(void);
+const char *zconf_curname(void);
+
+/* conf.c */
+void xfgets(char *str, int size, FILE *in);
 
 /* confdata.c */
 const char *conf_get_configname(void);
@@ -80,6 +92,13 @@ void sym_set_change_count(int count);
 void sym_add_change_count(int count);
 void conf_set_all_new_symbols(enum conf_def_mode mode);
 
+/* confdata.c and expr.c */
+static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
+{
+        if (fwrite(str, len, count, out) < count)
+                fprintf(stderr, "\nError in writing or end of file.\n");
+}
+
 /* kconfig_load.c */
 void kconfig_load(void);
 
@@ -91,6 +110,7 @@ void menu_end_menu(void);
 void menu_add_entry(struct symbol *sym);
 void menu_end_entry(void);
 void menu_add_dep(struct expr *dep);
+void menu_add_visibility(struct expr *dep);
 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep);
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
@@ -126,6 +146,8 @@ void sym_init(void);
 void sym_clear_all_valid(void);
 void sym_set_all_changed(void);
 void sym_set_changed(struct symbol *sym);
+struct symbol *sym_choice_default(struct symbol *sym);
+const char *sym_get_string_default(struct symbol *sym);
 struct symbol *sym_check_deps(struct symbol *sym);
 struct property *prop_alloc(enum prop_type type, struct symbol *sym);
 struct symbol *prop_get_symbol(struct property *prop);
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 7cadcad8233..17342fef38b 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -1,12 +1,15 @@
+#include <stdarg.h>
 
 /* confdata.c */
 P(conf_parse,void,(const char *name));
 P(conf_read,int,(const char *name));
 P(conf_read_simple,int,(const char *name, int));
+P(conf_write_defconfig,int,(const char *name));
 P(conf_write,int,(const char *name));
 P(conf_write_autoconf,int,(void));
 P(conf_get_changed,bool,(void));
 P(conf_set_changed_callback, void,(void (*fn)(void)));
+P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap)));
 
 /* menu.c */
 P(rootmenu,struct menu,);
@@ -27,6 +30,7 @@ P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
 
 P(sym_lookup,struct symbol *,(const char *name, int flags));
 P(sym_find,struct symbol *,(const char *name));
+P(sym_expand_string_value,const char *,(const char *in));
 P(sym_re_search,struct symbol **,(const char *pattern));
 P(sym_type_name,const char *,(enum symbol_type type));
 P(sym_calc_value,void,(struct symbol *sym));
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index fcef0f59d55..82cc3a85e7f 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -23,6 +23,8 @@ ccflags()
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
         elif [ -f /usr/include/ncurses/curses.h ]; then
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
+        elif [ -f /usr/include/ncursesw/curses.h ]; then
+                echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
         elif [ -f /usr/include/ncurses.h ]; then
                 echo '-DCURSES_LOC="<ncurses.h>"'
         else
diff --git a/scripts/kconfig/lxdialog/checklist.c b/scripts/kconfig/lxdialog/checklist.c
index bcc6f19c3a3..a2eb80fbc89 100644
--- a/scripts/kconfig/lxdialog/checklist.c
+++ b/scripts/kconfig/lxdialog/checklist.c
@@ -31,6 +31,10 @@ static int list_width, check_x, item_x;
 static void print_item(WINDOW * win, int choice, int selected)
 {
         int i;
+        char *list_item = malloc(list_width + 1);
+
+        strncpy(list_item, item_str(), list_width - item_x);
+        list_item[list_width - item_x] = '\0';
 
         /* Clear 'residue' of last item */
         wattrset(win, dlg.menubox.atr);
@@ -45,13 +49,14 @@ static void print_item(WINDOW * win, int choice, int selected)
                 wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');
 
         wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr);
-        mvwaddch(win, choice, item_x, item_str()[0]);
+        mvwaddch(win, choice, item_x, list_item[0]);
         wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
-        waddstr(win, (char *)item_str() + 1);
+        waddstr(win, list_item + 1);
         if (selected) {
                 wmove(win, choice, check_x + 1);
                 wrefresh(win);
         }
+        free(list_item);
 }
 
 /*
@@ -175,6 +180,7 @@ do_resize:
         check_x = 0;
         item_foreach()
                 check_x = MAX(check_x, strlen(item_str()) + 4);
+        check_x = MIN(check_x, list_width);
 
         check_x = (list_width - check_x) / 2;
         item_x = check_x + 4;
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 2c83d3234d3..d433c7a2474 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -25,11 +25,9 @@
 static const char mconf_readme[] = N_(
 "Overview\n"
 "--------\n"
-"Some kernel features may be built directly into the kernel.\n"
-"Some may be made into loadable runtime modules.  Some features\n"
-"may be completely removed altogether.  There are also certain\n"
-"kernel parameters which are not really features, but must be\n"
-"entered in as decimal or hexadecimal numbers or possibly text.\n"
+"This interface let you select features and parameters for the build.\n"
+"Features can either be built-in, modularized, or ignored. Parameters\n"
+"must be entered in as decimal or hexadecimal numbers or text.\n"
 "\n"
 "Menu items beginning with following braces represent features that\n"
 "  [ ] can be built in or removed\n"
@@ -74,7 +72,7 @@ static const char mconf_readme[] = N_(
 "\n"
 "   Shortcut: Press <H> or <?>.\n"
 "\n"
-"o  To show hidden options, press <Z>.\n"
+"o  To toggle the display of hidden options, press <Z>.\n"
 "\n"
 "\n"
 "Radiolists  (Choice lists)\n"
@@ -117,7 +115,7 @@ static const char mconf_readme[] = N_(
 "-----------------------------\n"
 "Menuconfig supports the use of alternate configuration files for\n"
 "those who, for various reasons, find it necessary to switch\n"
-"between different kernel configurations.\n"
+"between different configurations.\n"
 "\n"
 "At the end of the main menu you will find two options.  One is\n"
 "for saving the current configuration to a file of your choosing.\n"
@@ -150,9 +148,9 @@ static const char mconf_readme[] = N_(
 "\n"
 "Optional personality available\n"
 "------------------------------\n"
-"If you prefer to have all of the kernel options listed in a single\n"
-"menu, rather than the default multimenu hierarchy, run the menuconfig\n"
-"with MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
+"If you prefer to have all of the options listed in a single menu, rather\n"
+"than the default multimenu hierarchy, run the menuconfig with\n"
+"MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
 "\n"
 "make MENUCONFIG_MODE=single_menu menuconfig\n"
 "\n"
@@ -207,12 +205,12 @@ load_config_text[] = N_(
         "last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
         "\n"
-        "For various reasons, one may wish to keep several different kernel\n"
+        "For various reasons, one may wish to keep several different\n"
         "configurations available on a single machine.\n"
         "\n"
         "If you have saved a previous configuration in a file other than the\n"
-        "kernel's default, entering the name of the file here will allow you\n"
-        "to modify that configuration.\n"
+        "default one, entering its name here will allow you to modify that\n"
+        "configuration.\n"
         "\n"
         "If you are uncertain, then you have probably never used alternate\n"
         "configuration files. You should therefore leave this blank to abort.\n"),
@@ -221,8 +219,8 @@ save_config_text[] = N_(
         "as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
         "\n"
-        "For various reasons, one may wish to keep different kernel\n"
-        "configurations available on a single machine.\n"
+        "For various reasons, one may wish to keep different configurations\n"
+        "available on a single machine.\n"
         "\n"
         "Entering a file name here will allow you to later retrieve, modify\n"
         "and use the current configuration as an alternate to whatever\n"
@@ -232,7 +230,7 @@ save_config_help[] = N_(
         "leave this blank.\n"),
 search_help[] = N_(
         "\n"
-        "Search for CONFIG_ symbols and display their relations.\n"
+        "Search for symbols and display their relations.\n"
         "Regular expressions are allowed.\n"
         "Example: search for \"^FOO\"\n"
         "Result:\n"
@@ -249,7 +247,7 @@ search_help[] = N_(
         "Selected by: BAR\n"
         "-----------------------------------------------------------------\n"
         "o The line 'Prompt:' shows the text used in the menu structure for\n"
-        "  this CONFIG_ symbol\n"
+        "  this symbol\n"
         "o The 'Defined at' line tell at what file / line number the symbol\n"
         "  is defined\n"
         "o The 'Depends on:' line tell what symbols needs to be defined for\n"
@@ -265,9 +263,9 @@ search_help[] = N_(
         "Only relevant lines are shown.\n"
         "\n\n"
         "Search examples:\n"
-        "Examples: USB  => find all CONFIG_ symbols containing USB\n"
-        "          ^USB => find all CONFIG_ symbols starting with USB\n"
-        "          USB$ => find all CONFIG_ symbols ending with USB\n"
+        "Examples: USB  => find all symbols containing USB\n"
+        "          ^USB => find all symbols starting with USB\n"
+        "          USB$ => find all symbols ending with USB\n"
         "\n");
 
 static int indent;
@@ -290,13 +288,9 @@ static void set_config_filename(const char *config_filename)
 {
         static char menu_backtitle[PATH_MAX+128];
         int size;
-        struct symbol *sym;
 
-        sym = sym_lookup("KERNELVERSION", 0);
-        sym_calc_value(sym);
         size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-                        _("%s - Linux Kernel v%s Configuration"),
-                        config_filename, sym_get_string_value(sym));
+                        "%s - %s", config_filename, rootmenu.prompt->text);
         if (size >= sizeof(menu_backtitle))
                 menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
         set_dialog_backtitle(menu_backtitle);
@@ -316,8 +310,8 @@ static void search_conf(void)
 again:
         dialog_clear();
         dres = dialog_inputbox(_("Search Configuration Parameter"),
-                              _("Enter CONFIG_ (sub)string to search for "
-                                "(with or without \"CONFIG\")"),
+                              _("Enter " CONFIG_ " (sub)string to search for "
+                                "(with or without \"" CONFIG_ "\")"),
                               10, 75, "");
         switch (dres) {
         case 0:
@@ -329,10 +323,10 @@ again:
                 return;
         }
 
-        /* strip CONFIG_ if necessary */
+        /* strip the prefix if necessary */
         dialog_input = dialog_input_result;
-        if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
-                dialog_input += 7;
+        if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+                dialog_input += strlen(CONFIG_);
 
         sym_arr = sym_re_search(dialog_input);
         res = get_relations_str(sym_arr);
@@ -834,7 +828,7 @@ int main(int ac, char **av)
                 if (conf_get_changed())
                         res = dialog_yesno(NULL,
                                            _("Do you wish to save your "
-                                             "new kernel configuration?\n"
+                                             "new configuration?\n"
                                              "<ESC><ESC> to continue."),
                                            6, 60);
                 else
@@ -846,20 +840,20 @@ int main(int ac, char **av)
         case 0:
                 if (conf_write(filename)) {
                         fprintf(stderr, _("\n\n"
-                                "Error during writing of the kernel configuration.\n"
-                                "Your kernel configuration changes were NOT saved."
+                                "Error while writing of the configuration.\n"
+                                "Your configuration changes were NOT saved."
                                 "\n\n"));
                         return 1;
                 }
         case -1:
                 printf(_("\n\n"
-                        "*** End of Linux kernel configuration.\n"
-                        "*** Execute 'make' to build the kernel or try 'make help'."
+                        "*** End of the configuration.\n"
+                        "*** Execute 'make' to start the build or try 'make help'."
                         "\n\n"));
                 break;
         default:
                 fprintf(stderr, _("\n\n"
-                        "Your kernel configuration changes were NOT saved."
+                        "Your configuration changes were NOT saved."
                         "\n\n"));
         }
 
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 203632cc30b..5fdf10dc1d8 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -10,7 +10,7 @@
 #include "lkc.h"
 
 static const char nohelp_text[] = N_(
-        "There is no help available for this kernel option.\n");
+        "There is no help available for this option.\n");
 
 struct menu rootmenu;
 static struct menu **last_entry_ptr;
@@ -58,6 +58,8 @@ void menu_add_entry(struct symbol *sym)
         *last_entry_ptr = menu;
         last_entry_ptr = &menu->next;
         current_entry = menu;
+        if (sym)
+                menu_add_symbol(P_SYMBOL, sym, NULL);
 }
 
 void menu_end_entry(void)
@@ -136,8 +138,22 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
                         while (isspace(*prompt))
                                 prompt++;
                 }
-                if (current_entry->prompt)
+                if (current_entry->prompt && current_entry != &rootmenu)
                         prop_warn(prop, "prompt redefined");
+
+                /* Apply all upper menus' visibilities to actual prompts. */
+                if(type == P_PROMPT) {
+                        struct menu *menu = current_entry;
+
+                        while ((menu = menu->parent) != NULL) {
+                                if (!menu->visibility)
+                                        continue;
+                                prop->visible.expr
+                                        = expr_alloc_and(prop->visible.expr,
+                                                         menu->visibility);
+                        }
+                }
+
                 current_entry->prompt = prop;
         }
         prop->text = prompt;
@@ -150,6 +166,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
         return menu_add_prop(type, prompt, NULL, dep);
 }
 
+void menu_add_visibility(struct expr *expr)
+{
+        current_entry->visibility = expr_alloc_and(current_entry->visibility,
+            expr);
+}
+
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
 {
         menu_add_prop(type, NULL, expr, dep);
@@ -181,7 +203,7 @@ void menu_add_option(int token, char *arg)
         }
 }
 
-static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
+static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
 {
         return sym2->type == S_INT || sym2->type == S_HEX ||
                (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
@@ -199,6 +221,15 @@ static void sym_check_prop(struct symbol *sym)
                                 prop_warn(prop,
                                     "default for config symbol '%s'"
                                     " must be a single symbol", sym->name);
+                        if (prop->expr->type != E_SYMBOL)
+                                break;
+                        sym2 = prop_get_symbol(prop);
+                        if (sym->type == S_HEX || sym->type == S_INT) {
+                                if (!menu_validate_number(sym, sym2))
+                                        prop_warn(prop,
+                                            "'%s': number is invalid",
+                                            sym->name);
+                        }
                         break;
                 case P_SELECT:
                         sym2 = prop_get_symbol(prop);
@@ -218,8 +249,8 @@ static void sym_check_prop(struct symbol *sym)
                         if (sym->type != S_INT && sym->type != S_HEX)
                                 prop_warn(prop, "range is only allowed "
                                                 "for int or hex symbols");
-                        if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
-                            !menu_range_valid_sym(sym, prop->expr->right.sym))
+                        if (!menu_validate_number(sym, prop->expr->left.sym) ||
+                            !menu_validate_number(sym, prop->expr->right.sym))
                                 prop_warn(prop, "range is invalid");
                         break;
                 default:
@@ -318,6 +349,8 @@ void menu_finalize(struct menu *parent)
                         parent->next = last_menu->next;
                         last_menu->next = NULL;
                 }
+
+                sym->dir_dep.expr = parent->dep;
         }
         for (menu = parent->list; menu; menu = menu->next) {
                 if (sym && sym_is_choice(sym) &&
@@ -406,6 +439,11 @@ bool menu_is_visible(struct menu *menu)
         if (!menu->prompt)
                 return false;
 
+        if (menu->visibility) {
+                if (expr_calc_value(menu->visibility) == no)
+                        return no;
+        }
+
         sym = menu->sym;
         if (sym) {
                 sym_calc_value(sym);
@@ -419,9 +457,13 @@ bool menu_is_visible(struct menu *menu)
         if (!sym || sym_get_tristate_value(menu->sym) == no)
                 return false;
 
-        for (child = menu->list; child; child = child->next)
-                if (menu_is_visible(child))
+        for (child = menu->list; child; child = child->next) {
+                if (menu_is_visible(child)) {
+                        if (sym)
+                                sym->flags |= SYMBOL_DEF_USER;
                         return true;
+                }
+        }
 
         return false;
 }
@@ -501,9 +543,19 @@ void get_symbol_str(struct gstr *r, struct symbol *sym)
         bool hit;
         struct property *prop;
 
-        if (sym && sym->name)
+        if (sym && sym->name) {
                 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
                            sym_get_string_value(sym));
+                str_printf(r, "Type  : %s\n", sym_type_name(sym->type));
+                if (sym->type == S_INT || sym->type == S_HEX) {
+                        prop = sym_get_range_prop(sym);
+                        if (prop) {
+                                str_printf(r, "Range : ");
+                                expr_gstr_print(prop->expr, r);
+                                str_append(r, "\n");
+                        }
+                }
+        }
         for_all_prompts(sym, prop)
                 get_prompt_str(r, prop);
         hit = false;
@@ -545,7 +597,7 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help)
 
         if (menu_has_help(menu)) {
                 if (sym->name) {
-                        str_printf(help, "CONFIG_%s:\n\n", sym->name);
+                        str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
                         str_append(help, _(menu_get_help(menu)));
                         str_append(help, "\n");
                 }
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 762caf80ce3..db56377393d 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -5,25 +5,26 @@
  * Derived from menuconfig.
  *
  */
+#define _GNU_SOURCE
+#include <string.h>
 #define LKC_DIRECT_LINK
 #include "lkc.h"
 #include "nconf.h"
+#include <ctype.h>
 
 static const char nconf_readme[] = N_(
 "Overview\n"
 "--------\n"
-"Some kernel features may be built directly into the kernel.\n"
-"Some may be made into loadable runtime modules.  Some features\n"
-"may be completely removed altogether.  There are also certain\n"
-"kernel parameters which are not really features, but must be\n"
-"entered in as decimal or hexadecimal numbers or possibly text.\n"
+"This interface let you select features and parameters for the build.\n"
+"Features can either be built-in, modularized, or ignored. Parameters\n"
+"must be entered in as decimal or hexadecimal numbers or text.\n"
 "\n"
 "Menu items beginning with following braces represent features that\n"
 "  [ ] can be built in or removed\n"
 "  < > can be built in, modularized or removed\n"
 "  { } can be built in or modularized (selected by other feature)\n"
 "  - - are selected by other feature,\n"
-"  XXX cannot be selected. use Symbol Info to find out why,\n"
+"  XXX cannot be selected. Use Symbol Info to find out why,\n"
 "while *, M or whitespace inside braces means to build in, build as\n"
 "a module or to exclude the feature respectively.\n"
 "\n"
@@ -41,9 +42,13 @@ static const char nconf_readme[] = N_(
 "   pressing <Enter> of <right-arrow>. Use <Esc> or <left-arrow> to go back.\n"
 "   Submenus are designated by \"--->\".\n"
 "\n"
-"   Shortcut: Press the option's highlighted letter (hotkey).\n"
-"             Pressing a hotkey more than once will sequence\n"
-"             through all visible items which use that hotkey.\n"
+"   Searching: pressing '/' triggers interactive search mode.\n"
+"              nconfig performs a case insensitive search for the string\n"
+"              in the menu prompts (no regex support).\n"
+"              Pressing the up/down keys highlights the previous/next\n"
+"              matching item. Backspace removes one character from the\n"
+"              match string. Pressing either '/' again or ESC exits\n"
+"              search mode. All other keys behave normally.\n"
 "\n"
 "   You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n"
 "   unseen options into view.\n"
@@ -88,7 +93,7 @@ static const char nconf_readme[] = N_(
 "-----------------------------\n"
 "nconfig supports the use of alternate configuration files for\n"
 "those who, for various reasons, find it necessary to switch\n"
-"between different kernel configurations.\n"
+"between different configurations.\n"
 "\n"
 "At the end of the main menu you will find two options.  One is\n"
 "for saving the current configuration to a file of your choosing.\n"
@@ -121,9 +126,9 @@ static const char nconf_readme[] = N_(
 "\n"
 "Optional personality available\n"
 "------------------------------\n"
-"If you prefer to have all of the kernel options listed in a single\n"
-"menu, rather than the default multimenu hierarchy, run the nconfig\n"
-"with NCONFIG_MODE environment variable set to single_menu. Example:\n"
+"If you prefer to have all of the options listed in a single menu, rather\n"
+"than the default multimenu hierarchy, run the nconfig with NCONFIG_MODE\n"
+"environment variable set to single_menu. Example:\n"
 "\n"
 "make NCONFIG_MODE=single_menu nconfig\n"
 "\n"
@@ -141,21 +146,21 @@ menu_no_f_instructions[] = N_(
 " <Enter> or <right-arrow> selects submenus --->.\n"
 " Capital Letters are hotkeys.\n"
 " Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
-" Pressing SpaceBar toggles between the above options\n"
-" Press <Esc> or <left-arrow> to go back one menu, \n"
+" Pressing SpaceBar toggles between the above options.\n"
+" Press <Esc> or <left-arrow> to go back one menu,\n"
 " <?> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
 " Legend: [*] built-in  [ ] excluded  <M> module  < > module capable.\n"
-" <Esc> always leaves the current window\n"),
+" <Esc> always leaves the current window.\n"),
 menu_instructions[] = N_(
 " Arrow keys navigate the menu.\n"
 " <Enter> or <right-arrow> selects submenus --->.\n"
 " Capital Letters are hotkeys.\n"
 " Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
 " Pressing SpaceBar toggles between the above options\n"
-" Press <Esc>, <F3> or <left-arrow> to go back one menu, \n"
+" Press <Esc>, <F5> or <left-arrow> to go back one menu,\n"
 " <?>, <F1> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
 " Legend: [*] built-in  [ ] excluded  <M> module  < > module capable.\n"
 " <Esc> always leaves the current window\n"),
 radiolist_instructions[] = N_(
@@ -178,19 +183,19 @@ setmod_text[] = N_(
 "has been configured as a module.\n"
 "As a result, this feature will be built as a module."),
 nohelp_text[] = N_(
-"There is no help available for this kernel option.\n"),
+"There is no help available for this option.\n"),
 load_config_text[] = N_(
 "Enter the name of the configuration file you wish to load.\n"
 "Accept the name shown to restore the configuration you\n"
 "last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
 "\n"
-"For various reasons, one may wish to keep several different kernel\n"
+"For various reasons, one may wish to keep several different\n"
 "configurations available on a single machine.\n"
 "\n"
 "If you have saved a previous configuration in a file other than the\n"
-"kernel's default, entering the name of the file here will allow you\n"
-"to modify that configuration.\n"
+"default one, entering its name here will allow you to modify that\n"
+"configuration.\n"
 "\n"
 "If you are uncertain, then you have probably never used alternate\n"
 "configuration files.  You should therefor leave this blank to abort.\n"),
@@ -199,8 +204,8 @@ save_config_text[] = N_(
 "as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
 "\n"
-"For various reasons, one may wish to keep different kernel\n"
-"configurations available on a single machine.\n"
+"For various reasons, one may wish to keep different configurations\n"
+"available on a single machine.\n"
 "\n"
 "Entering a file name here will allow you to later retrieve, modify\n"
 "and use the current configuration as an alternate to whatever\n"
@@ -210,8 +215,8 @@ save_config_help[] = N_(
 "leave this blank.\n"),
 search_help[] = N_(
 "\n"
-"Search for CONFIG_ symbols and display their relations.\n"
-"Regular expressions are allowed.\n"
+"Search for symbols and display their relations. Regular expressions\n"
+"are allowed.\n"
 "Example: search for \"^FOO\"\n"
 "Result:\n"
 "-----------------------------------------------------------------\n"
@@ -227,7 +232,7 @@ search_help[] = N_(
 "Selected by: BAR\n"
 "-----------------------------------------------------------------\n"
 "o The line 'Prompt:' shows the text used in the menu structure for\n"
-"  this CONFIG_ symbol\n"
+"  this symbol\n"
 "o The 'Defined at' line tell at what file / line number the symbol\n"
 "  is defined\n"
 "o The 'Depends on:' line tell what symbols needs to be defined for\n"
@@ -243,16 +248,15 @@ search_help[] = N_(
 "Only relevant lines are shown.\n"
 "\n\n"
 "Search examples:\n"
-"Examples: USB   = > find all CONFIG_ symbols containing USB\n"
-"          ^USB => find all CONFIG_ symbols starting with USB\n"
-"          USB$ => find all CONFIG_ symbols ending with USB\n"
+"Examples: USB  => find all symbols containing USB\n"
+"          ^USB => find all symbols starting with USB\n"
+"          USB$ => find all symbols ending with USB\n"
 "\n");
 
 struct mitem {
         char str[256];
         char tag;
         void *usrptr;
-        int is_hot;
         int is_visible;
 };
 
@@ -275,14 +279,6 @@ static int items_num;
 static int global_exit;
 /* the currently selected button */
 const char *current_instructions = menu_instructions;
-/* this array is used to implement hot keys. it is updated in item_make and
- * resetted in clean_items. It would be better to use a hash, but lets keep it
- * simple... */
-#define MAX_SAME_KEY MAX_MENU_ITEMS
-struct {
-        int count;
-        int ptrs[MAX_MENU_ITEMS];
-} hotkeys[1<<(sizeof(char)*8)];
 
 static void conf(struct menu *menu);
 static void conf_choice(struct menu *menu);
@@ -292,6 +288,7 @@ static void conf_save(void);
 static void show_help(struct menu *menu);
 static int do_exit(void);
 static void setup_windows(void);
+static void search_conf(void);
 
 typedef void (*function_key_handler_t)(int *key, struct menu *menu);
 static void handle_f1(int *key, struct menu *current_item);
@@ -302,6 +299,7 @@ static void handle_f5(int *key, struct menu *current_item);
 static void handle_f6(int *key, struct menu *current_item);
 static void handle_f7(int *key, struct menu *current_item);
 static void handle_f8(int *key, struct menu *current_item);
+static void handle_f9(int *key, struct menu *current_item);
 
 struct function_keys {
         const char *key_str;
@@ -310,7 +308,7 @@ struct function_keys {
         function_key_handler_t handler;
 };
 
-static const int function_keys_num = 8;
+static const int function_keys_num = 9;
 struct function_keys function_keys[] = {
         {
                 .key_str = "F1",
@@ -320,13 +318,13 @@ struct function_keys function_keys[] = {
         },
         {
                 .key_str = "F2",
-                .func = "Symbol Info",
+                .func = "Sym Info",
                 .key = F_SYMBOL,
                 .handler = handle_f2,
         },
         {
                 .key_str = "F3",
-                .func = "Instructions",
+                .func = "Insts",
                 .key = F_INSTS,
                 .handler = handle_f3,
         },
@@ -356,9 +354,15 @@ struct function_keys function_keys[] = {
         },
         {
                 .key_str = "F8",
+                .func = "Sym Search",
+                .key = F_SEARCH,
+                .handler = handle_f8,
+        },
+        {
+                .key_str = "F9",
                 .func = "Exit",
                 .key = F_EXIT,
-                .handler = handle_f8,
+                .handler = handle_f9,
         },
 };
 
@@ -444,9 +448,16 @@ static void handle_f7(int *key, struct menu *current_item)
         return;
 }
 
-/* exit */
+/* search */
 static void handle_f8(int *key, struct menu *current_item)
 {
+        search_conf();
+        return;
+}
+
+/* exit */
+static void handle_f9(int *key, struct menu *current_item)
+{
         do_exit();
         return;
 }
@@ -479,110 +490,44 @@ static void clean_items(void)
                 free_item(curses_menu_items[i]);
         bzero(curses_menu_items, sizeof(curses_menu_items));
         bzero(k_menu_items, sizeof(k_menu_items));
-        bzero(hotkeys, sizeof(hotkeys));
         items_num = 0;
 }
 
-/* return the index of the next hot item, or -1 if no such item exists */
-static int get_next_hot(int c)
-{
-        static int hot_index;
-        static int hot_char;
-
-        if (c < 0 || c > 255 || hotkeys[c].count <= 0)
-                return -1;
-
-        if (hot_char == c) {
-                hot_index = (hot_index+1)%hotkeys[c].count;
-                return hotkeys[c].ptrs[hot_index];
-        } else {
-                hot_char = c;
-                hot_index = 0;
-                return hotkeys[c].ptrs[0];
-        }
-}
-
-/* can the char c be a hot key? no, if c is a common shortcut used elsewhere */
-static int canbhot(char c)
-{
-        c = tolower(c);
-        return isalnum(c) && c != 'y' && c != 'm' && c != 'h' &&
-                c != 'n' && c != '?';
-}
-
-/* check if str already contains a hot key. */
-static int is_hot(int index)
-{
-        return k_menu_items[index].is_hot;
-}
+typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
+        FIND_NEXT_MATCH_DOWN, FIND_NEXT_MATCH_UP} match_f;
 
-/* find the first possible hot key, and mark it.
- * index is the index of the item in the menu
- * return 0 on success*/
-static int make_hot(char *dest, int len, const char *org, int index)
+/* return the index of the matched item, or -1 if no such item exists */
+static int get_mext_match(const char *match_str, match_f flag)
 {
-        int position = -1;
-        int i;
-        int tmp;
-        int c;
-        int org_len = strlen(org);
-
-        if (org == NULL || is_hot(index))
-                return 1;
-
-        /* make sure not to make hot keys out of markers.
-         * find where to start looking for a hot key
-         */
-        i = 0;
-        /* skip white space */
-        while (i < org_len && org[i] == ' ')
-                i++;
-        if (i == org_len)
-                return -1;
-        /* if encountering '(' or '<' or '[', find the match and look from there
-         **/
-        if (org[i] == '[' || org[i] == '<' || org[i] == '(') {
-                i++;
-                for (; i < org_len; i++)
-                        if (org[i] == ']' || org[i] == '>' || org[i] == ')')
-                                break;
-        }
-        if (i == org_len)
-                return -1;
-        for (; i < org_len; i++) {
-                if (canbhot(org[i]) && org[i-1] != '<' && org[i-1] != '(') {
-                        position = i;
-                        break;
-                }
+        int match_start = item_index(current_item(curses_menu));
+        int index;
+
+        if (flag == FIND_NEXT_MATCH_DOWN)
+                ++match_start;
+        else if (flag == FIND_NEXT_MATCH_UP)
+                --match_start;
+
+        index = match_start;
+        index = (index + items_num) % items_num;
+        while (true) {
+                char *str = k_menu_items[index].str;
+                if (strcasestr(str, match_str) != 0)
+                        return index;
+                if (flag == FIND_NEXT_MATCH_UP ||
+                    flag == MATCH_TINKER_PATTERN_UP)
+                        --index;
+                else
+                        ++index;
+                index = (index + items_num) % items_num;
+                if (index == match_start)
+                        return -1;
         }
-        if (position == -1)
-                return 1;
-
-        /* ok, char at org[position] should be a hot key to this item */
-        c = tolower(org[position]);
-        tmp = hotkeys[c].count;
-        hotkeys[c].ptrs[tmp] = index;
-        hotkeys[c].count++;
-        /*
-           snprintf(dest, len, "%.*s(%c)%s", position, org, org[position],
-           &org[position+1]);
-           */
-        /* make org[position] uppercase, and all leading letter small case */
-        strncpy(dest, org, len);
-        for (i = 0; i < position; i++)
-                dest[i] = tolower(dest[i]);
-        dest[position] = toupper(dest[position]);
-        k_menu_items[index].is_hot = 1;
-        return 0;
 }
 
-/* Make a new item. Add a hotkey mark in the first possible letter.
- * As ncurses does not allow any attributes inside menue item, we mark the
- * hot key as the first capitalized letter in the string */
+/* Make a new item. */
 static void item_make(struct menu *menu, char tag, const char *fmt, ...)
 {
         va_list ap;
-        char tmp_str[256];
 
         if (items_num > MAX_MENU_ITEMS-1)
                 return;
@@ -597,16 +542,13 @@ static void item_make(struct menu *menu, char tag, const char *fmt, ...)
                 k_menu_items[items_num].is_visible = 1;
 
         va_start(ap, fmt);
-        vsnprintf(tmp_str, sizeof(tmp_str), fmt, ap);
-        if (!k_menu_items[items_num].is_visible)
-                memcpy(tmp_str, "XXX", 3);
+        vsnprintf(k_menu_items[items_num].str,
+                  sizeof(k_menu_items[items_num].str),
+                  fmt, ap);
         va_end(ap);
-        if (make_hot(
-                k_menu_items[items_num].str,
-                sizeof(k_menu_items[items_num].str), tmp_str, items_num) != 0)
-                strncpy(k_menu_items[items_num].str,
-                        tmp_str,
-                        sizeof(k_menu_items[items_num].str));
+
+        if (!k_menu_items[items_num].is_visible)
+                memcpy(k_menu_items[items_num].str, "XXX", 3);
 
         curses_menu_items[items_num] = new_item(
                         k_menu_items[items_num].str,
@@ -638,11 +580,9 @@ static void item_add_str(const char *fmt, ...)
         va_end(ap);
         snprintf(tmp_str, sizeof(tmp_str), "%s%s",
                         k_menu_items[index].str, new_str);
-        if (make_hot(k_menu_items[index].str,
-                        sizeof(k_menu_items[index].str), tmp_str, index) != 0)
-                strncpy(k_menu_items[index].str,
-                        tmp_str,
-                        sizeof(k_menu_items[index].str));
+        strncpy(k_menu_items[index].str,
+                tmp_str,
+                sizeof(k_menu_items[index].str));
 
         free_item(curses_menu_items[index]);
         curses_menu_items[index] = new_item(
@@ -676,6 +616,8 @@ static void *item_data(void)
         struct mitem *mcur;
 
         cur = current_item(curses_menu);
+        if (!cur)
+                return NULL;
         mcur = (struct mitem *) item_userptr(cur);
         return mcur->usrptr;
 
@@ -691,13 +633,9 @@ static char menu_backtitle[PATH_MAX+128];
 static const char *set_config_filename(const char *config_filename)
 {
         int size;
-        struct symbol *sym;
 
-        sym = sym_lookup("KERNELVERSION", 0);
-        sym_calc_value(sym);
         size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-                        _("%s - Linux Kernel v%s Configuration"),
-                        config_filename, sym_get_string_value(sym));
+                        "%s - %s", config_filename, rootmenu.prompt->text);
         if (size >= sizeof(menu_backtitle))
                 menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
 
@@ -707,25 +645,6 @@ static const char *set_config_filename(const char *config_filename)
         return menu_backtitle;
 }
 
-/* command = 0 is supress, 1 is restore */
-static void supress_stdout(int command)
-{
-        static FILE *org_stdout;
-        static FILE *org_stderr;
-
-        if (command == 0) {
-                org_stdout = stdout;
-                org_stderr = stderr;
-                stdout = fopen("/dev/null", "a");
-                stderr = fopen("/dev/null", "a");
-        } else {
-                fclose(stdout);
-                fclose(stderr);
-                stdout = org_stdout;
-                stderr = org_stderr;
-        }
-}
-
 /* return = 0 means we are successful.
  * -1 means go on doing what you were doing
  */
@@ -737,8 +656,7 @@ static int do_exit(void)
                 return 0;
         }
         res = btn_dialog(main_window,
-                        _("Do you wish to save your "
-                                "new kernel configuration?\n"
+                        _("Do you wish to save your new configuration?\n"
                                 "<ESC> to cancel and resume nconfig."),
                         2,
                         "   <save>   ",
@@ -751,36 +669,19 @@ static int do_exit(void)
         /* if we got here, the user really wants to exit */
         switch (res) {
         case 0:
-                supress_stdout(0);
                 res = conf_write(filename);
-                supress_stdout(1);
                 if (res)
                         btn_dialog(
                                 main_window,
-                                _("Error during writing of the kernel "
-                                  "configuration.\n"
-                                  "Your kernel configuration "
-                                  "changes were NOT saved."),
+                                _("Error during writing of configuration.\n"
+                                  "Your configuration changes were NOT saved."),
                                   1,
                                   "<OK>");
-                else {
-                        char buf[1024];
-                        snprintf(buf, 1024,
-                                _("Configuration written to %s\n"
-                                  "End of Linux kernel configuration.\n"
-                                  "Execute 'make' to build the kernel or try"
-                                  " 'make help'."), filename);
-                        btn_dialog(
-                                main_window,
-                                buf,
-                                1,
-                                "<OK>");
-                }
                 break;
         default:
                 btn_dialog(
                         main_window,
-                        _("Your kernel configuration changes were NOT saved."),
+                        _("Your configuration changes were NOT saved."),
                         1,
                         "<OK>");
                 break;
@@ -800,8 +701,8 @@ static void search_conf(void)
 again:
         dres = dialog_inputbox(main_window,
                         _("Search Configuration Parameter"),
-                        _("Enter CONFIG_ (sub)string to search for "
-                                "(with or without \"CONFIG\")"),
+                        _("Enter " CONFIG_ " (sub)string to search for "
+                                "(with or without \"" CONFIG_ "\")"),
                         "", dialog_input_result, 99);
         switch (dres) {
         case 0:
@@ -814,10 +715,10 @@ again:
                 return;
         }
 
-        /* strip CONFIG_ if necessary */
+        /* strip the prefix if necessary */
         dialog_input = dialog_input_result;
-        if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
-                dialog_input += 7;
+        if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+                dialog_input += strlen(CONFIG_);
 
         sym_arr = sym_re_search(dialog_input);
         res = get_relations_str(sym_arr);
@@ -1025,23 +926,18 @@ static void reset_menu(void)
 static void center_item(int selected_index, int *last_top_row)
 {
         int toprow;
-        int maxy, maxx;
 
-        scale_menu(curses_menu, &maxy, &maxx);
         set_top_row(curses_menu, *last_top_row);
         toprow = top_row(curses_menu);
-        if (selected_index >= toprow && selected_index < toprow+maxy) {
-                /* we can only move the selected item. no need to scroll */
-                set_current_item(curses_menu,
-                                curses_menu_items[selected_index]);
-        } else {
-                toprow = max(selected_index-maxy/2, 0);
-                if (toprow >= item_count(curses_menu)-maxy)
+        if (selected_index < toprow ||
+            selected_index >= toprow+mwin_max_lines) {
+                toprow = max(selected_index-mwin_max_lines/2, 0);
+                if (toprow >= item_count(curses_menu)-mwin_max_lines)
                         toprow = item_count(curses_menu)-mwin_max_lines;
                 set_top_row(curses_menu, toprow);
-                set_current_item(curses_menu,
-                                curses_menu_items[selected_index]);
         }
+        set_current_item(curses_menu,
+                        curses_menu_items[selected_index]);
         *last_top_row = toprow;
         post_menu(curses_menu);
         refresh_all_windows(main_window);
@@ -1073,7 +969,7 @@ static void show_menu(const char *prompt, const char *instructions,
         /* position the menu at the middle of the screen */
         scale_menu(curses_menu, &maxy, &maxx);
         maxx = min(maxx, mwin_max_cols-2);
-        maxy = mwin_max_lines-2;
+        maxy = mwin_max_lines;
         menu_window = derwin(main_window,
                         maxy,
                         maxx,
@@ -1097,10 +993,77 @@ static void show_menu(const char *prompt, const char *instructions,
         refresh_all_windows(main_window);
 }
 
+static void adj_match_dir(match_f *match_direction)
+{
+        if (*match_direction == FIND_NEXT_MATCH_DOWN)
+                *match_direction =
+                        MATCH_TINKER_PATTERN_DOWN;
+        else if (*match_direction == FIND_NEXT_MATCH_UP)
+                *match_direction =
+                        MATCH_TINKER_PATTERN_UP;
+        /* else, do no change.. */
+}
 
-static void conf(struct menu *menu)
+struct match_state
 {
+        int in_search;
+        match_f match_direction;
         char pattern[256];
+};
+
+/* Return 0 means I have handled the key. In such a case, ans should hold the
+ * item to center, or -1 otherwise.
+ * Else return -1 .
+ */
+static int do_match(int key, struct match_state *state, int *ans)
+{
+        char c = (char) key;
+        int terminate_search = 0;
+        *ans = -1;
+        if (key == '/' || (state->in_search && key == 27)) {
+                move(0, 0);
+                refresh();
+                clrtoeol();
+                state->in_search = 1-state->in_search;
+                bzero(state->pattern, sizeof(state->pattern));
+                state->match_direction = MATCH_TINKER_PATTERN_DOWN;
+                return 0;
+        } else if (!state->in_search)
+                return 1;
+
+        if (isalnum(c) || isgraph(c) || c == ' ') {
+                state->pattern[strlen(state->pattern)] = c;
+                state->pattern[strlen(state->pattern)] = '\0';
+                adj_match_dir(&state->match_direction);
+                *ans = get_mext_match(state->pattern,
+                                state->match_direction);
+        } else if (key == KEY_DOWN) {
+                state->match_direction = FIND_NEXT_MATCH_DOWN;
+                *ans = get_mext_match(state->pattern,
+                                state->match_direction);
+        } else if (key == KEY_UP) {
+                state->match_direction = FIND_NEXT_MATCH_UP;
+                *ans = get_mext_match(state->pattern,
+                                state->match_direction);
+        } else if (key == KEY_BACKSPACE || key == 127) {
+                state->pattern[strlen(state->pattern)-1] = '\0';
+                adj_match_dir(&state->match_direction);
+        } else
+                terminate_search = 1;
+
+        if (terminate_search) {
+                state->in_search = 0;
+                bzero(state->pattern, sizeof(state->pattern));
+                move(0, 0);
+                refresh();
+                clrtoeol();
+                return -1;
+        }
+        return 0;
+}
+
+static void conf(struct menu *menu)
+{
         struct menu *submenu = 0;
         const char *prompt = menu_get_prompt(menu);
         struct symbol *sym;
@@ -1108,8 +1071,11 @@ static void conf(struct menu *menu)
         int res;
         int current_index = 0;
         int last_top_row = 0;
-
-        bzero(pattern, sizeof(pattern));
+        struct match_state match_state = {
+                .in_search = 0,
+                .match_direction = MATCH_TINKER_PATTERN_DOWN,
+                .pattern = "",
+        };
 
         while (!global_exit) {
                 reset_menu();
@@ -1122,7 +1088,22 @@ static void conf(struct menu *menu)
                                 _(menu_instructions),
                                 current_index, &last_top_row);
                 keypad((menu_win(curses_menu)), TRUE);
-                while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+                while (!global_exit) {
+                        if (match_state.in_search) {
+                                mvprintw(0, 0,
+                                        "searching: %s", match_state.pattern);
+                                clrtoeol();
+                        }
+                        refresh_all_windows(main_window);
+                        res = wgetch(menu_win(curses_menu));
+                        if (!res)
+                                break;
+                        if (do_match(res, &match_state, &current_index) == 0) {
+                                if (current_index != -1)
+                                        center_item(current_index,
+                                                    &last_top_row);
+                                continue;
+                        }
                         if (process_special_keys(&res,
                                                 (struct menu *) item_data()))
                                 break;
@@ -1153,19 +1134,13 @@ static void conf(struct menu *menu)
                         if (res == 10 || res == 27 ||
                                 res == 32 || res == 'n' || res == 'y' ||
                                 res == KEY_LEFT || res == KEY_RIGHT ||
-                                res == 'm' || res == '/')
+                                res == 'm')
                                 break;
-                        else if (canbhot(res)) {
-                                /* check for hot keys: */
-                                int tmp = get_next_hot(res);
-                                if (tmp != -1)
-                                        center_item(tmp, &last_top_row);
-                        }
                         refresh_all_windows(main_window);
                 }
 
                 refresh_all_windows(main_window);
-                /* if ESC  or left*/
+                /* if ESC or left*/
                 if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
                         break;
 
@@ -1233,23 +1208,30 @@ static void conf(struct menu *menu)
                         if (item_is_tag('t'))
                                 sym_set_tristate_value(sym, mod);
                         break;
-                case '/':
-                        search_conf();
-                        break;
                 }
         }
 }
 
+static void conf_message_callback(const char *fmt, va_list ap)
+{
+        char buf[1024];
+
+        vsnprintf(buf, sizeof(buf), fmt, ap);
+        btn_dialog(main_window, buf, 1, "<OK>");
+}
+
 static void show_help(struct menu *menu)
 {
         struct gstr help = str_new();
 
         if (menu && menu->sym && menu_has_help(menu)) {
                 if (menu->sym->name) {
-                        str_printf(&help, "CONFIG_%s:\n\n", menu->sym->name);
+                        str_printf(&help, "%s%s:\n\n", CONFIG_, menu->sym->name);
                         str_append(&help, _(menu_get_help(menu)));
                         str_append(&help, "\n");
                         get_symbol_str(&help, menu->sym);
+                } else {
+                        str_append(&help, _(menu_get_help(menu)));
                 }
         } else {
                 str_append(&help, nohelp_text);
@@ -1266,6 +1248,11 @@ static void conf_choice(struct menu *menu)
         int selected_index = 0;
         int last_top_row = 0;
         int res, i = 0;
+        struct match_state match_state = {
+                .in_search = 0,
+                .match_direction = MATCH_TINKER_PATTERN_DOWN,
+                .pattern = "",
+        };
 
         active = sym_get_choice_value(menu->sym);
         /* this is mostly duplicated from the conf() function. */
@@ -1279,9 +1266,13 @@ static void conf_choice(struct menu *menu)
                         if (child->sym == sym_get_choice_value(menu->sym))
                                 item_make(child, ':', "<X> %s",
                                                 _(menu_get_prompt(child)));
-                        else
+                        else if (child->sym)
                                 item_make(child, ':', "    %s",
                                                 _(menu_get_prompt(child)));
+                        else
+                                item_make(child, ':', "*** %s ***",
+                                                _(menu_get_prompt(child)));
+
                         if (child->sym == active){
                                 last_top_row = top_row(curses_menu);
                                 selected_index = i;
@@ -1292,7 +1283,22 @@ static void conf_choice(struct menu *menu)
                                 _(radiolist_instructions),
                                 selected_index,
                                 &last_top_row);
-                while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+                while (!global_exit) {
+                        if (match_state.in_search) {
+                                mvprintw(0, 0, "searching: %s",
+                                         match_state.pattern);
+                                clrtoeol();
+                        }
+                        refresh_all_windows(main_window);
+                        res = wgetch(menu_win(curses_menu));
+                        if (!res)
+                                break;
+                        if (do_match(res, &match_state, &selected_index) == 0) {
+                                if (selected_index != -1)
+                                        center_item(selected_index,
+                                                    &last_top_row);
+                                continue;
+                        }
                         if (process_special_keys(
                                                 &res,
                                                 (struct menu *) item_data()))
@@ -1322,13 +1328,8 @@ static void conf_choice(struct menu *menu)
                                 break;
                         }
                         if (res == 10 || res == 27 || res == ' ' ||
-                                res == KEY_LEFT)
+                                        res == KEY_LEFT){
                                 break;
-                        else if (canbhot(res)) {
-                                /* check for hot keys: */
-                                int tmp = get_next_hot(res);
-                                if (tmp != -1)
-                                        center_item(tmp, &last_top_row);
                         }
                         refresh_all_windows(main_window);
                 }
@@ -1337,7 +1338,7 @@ static void conf_choice(struct menu *menu)
                         break;
 
                 child = item_data();
-                if (!child || !menu_is_visible(child))
+                if (!child || !menu_is_visible(child) || !child->sym)
                         continue;
                 switch (res) {
                 case ' ':
@@ -1447,16 +1448,8 @@ static void conf_save(void)
                 case 0:
                         if (!dialog_input_result[0])
                                 return;
-                        supress_stdout(0);
                         res = conf_write(dialog_input_result);
-                        supress_stdout(1);
                         if (!res) {
-                                char buf[1024];
-                                sprintf(buf, "%s %s",
-                                        _("configuration file saved to: "),
-                                        dialog_input_result);
-                                btn_dialog(main_window,
-                                           buf, 1, "<OK>");
                                 set_config_filename(dialog_input_result);
                                 return;
                         }
@@ -1483,7 +1476,7 @@ void setup_windows(void)
         /* set up the menu and menu window */
         main_window = newwin(LINES-2, COLS-2, 2, 1);
         keypad(main_window, TRUE);
-        mwin_max_lines = LINES-6;
+        mwin_max_lines = LINES-7;
         mwin_max_cols = COLS-6;
 
         /* panels order is from bottom to top */
@@ -1530,9 +1523,10 @@ int main(int ac, char **av)
         /* set btns menu */
         curses_menu = new_menu(curses_menu_items);
         menu_opts_off(curses_menu, O_SHOWDESC);
-        menu_opts_off(curses_menu, O_SHOWMATCH);
+        menu_opts_on(curses_menu, O_SHOWMATCH);
         menu_opts_on(curses_menu, O_ONEVALUE);
         menu_opts_on(curses_menu, O_NONCYCLIC);
+        menu_opts_on(curses_menu, O_IGNORECASE);
         set_menu_mark(curses_menu, " ");
         set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]);
         set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]);
@@ -1548,8 +1542,7 @@ int main(int ac, char **av)
                                 _(menu_no_f_instructions));
         }
 
-
-
+        conf_set_message_callback(conf_message_callback);
         /* do the work */
         while (!global_exit) {
                 conf(&rootmenu);
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 115edb437fb..f8137b3a538 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -137,7 +137,7 @@ void set_colors()
         if (has_colors()) {
                 normal_color_theme();
         } else {
-                /* give deafults */
+                /* give defaults */
                 no_colors_theme();
         }
 }
@@ -167,7 +167,7 @@ void print_in_middle(WINDOW *win,
         length = strlen(string);
         temp = (width - length) / 2;
         x = startx + (int)temp;
-        wattrset(win, color);
+        (void) wattrset(win, color);
         mvwprintw(win, y, x, "%s", string);
         refresh();
 }
@@ -226,7 +226,7 @@ void fill_window(WINDOW *win, const char *text)
                 int len = get_line_length(line);
                 strncpy(tmp, line, min(len, x));
                 tmp[len] = '\0';
-                mvwprintw(win, i, 0, tmp);
+                mvwprintw(win, i, 0, "%s", tmp);
         }
 }
 
@@ -297,11 +297,11 @@ int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
         set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
         set_menu_back(menu, attributes[DIALOG_MENU_BACK]);
 
-        wattrset(win, attributes[DIALOG_BOX]);
+        (void) wattrset(win, attributes[DIALOG_BOX]);
         box(win, 0, 0);
 
         /* print message */
-        wattrset(msg_win, attributes[DIALOG_TEXT]);
+        (void) wattrset(msg_win, attributes[DIALOG_TEXT]);
         fill_window(msg_win, msg);
 
         set_menu_win(menu, win);
@@ -392,16 +392,16 @@ int dialog_inputbox(WINDOW *main_window,
         form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
         keypad(form_win, TRUE);
 
-        wattrset(form_win, attributes[INPUT_FIELD]);
+        (void) wattrset(form_win, attributes[INPUT_FIELD]);
 
-        wattrset(win, attributes[INPUT_BOX]);
+        (void) wattrset(win, attributes[INPUT_BOX]);
         box(win, 0, 0);
-        wattrset(win, attributes[INPUT_HEADING]);
+        (void) wattrset(win, attributes[INPUT_HEADING]);
         if (title)
                 mvwprintw(win, 0, 3, "%s", title);
 
         /* print message */
-        wattrset(prompt_win, attributes[INPUT_TEXT]);
+        (void) wattrset(prompt_win, attributes[INPUT_TEXT]);
         fill_window(prompt_win, prompt);
 
         mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
@@ -531,7 +531,7 @@ void show_scroll_win(WINDOW *main_window,
 
         /* create the pad */
         pad = newpad(total_lines+10, total_cols+10);
-        wattrset(pad, attributes[SCROLLWIN_TEXT]);
+        (void) wattrset(pad, attributes[SCROLLWIN_TEXT]);
         fill_window(pad, text);
 
         win_lines = min(total_lines+4, LINES-2);
@@ -546,9 +546,9 @@ void show_scroll_win(WINDOW *main_window,
         win = newwin(win_lines, win_cols, y, x);
         keypad(win, TRUE);
         /* show the help in the help window, and show the help panel */
-        wattrset(win, attributes[SCROLLWIN_BOX]);
+        (void) wattrset(win, attributes[SCROLLWIN_BOX]);
         box(win, 0, 0);
-        wattrset(win, attributes[SCROLLWIN_HEADING]);
+        (void) wattrset(win, attributes[SCROLLWIN_HEADING]);
         mvwprintw(win, 0, 3, " %s ", title);
         panel = new_panel(win);
 
diff --git a/scripts/kconfig/nconf.h b/scripts/kconfig/nconf.h
index fb429666600..58fbda8fc0d 100644
--- a/scripts/kconfig/nconf.h
+++ b/scripts/kconfig/nconf.h
@@ -69,7 +69,8 @@ typedef enum {
         F_BACK = 5,
         F_SAVE = 6,
         F_LOAD = 7,
-        F_EXIT = 8
+        F_SEARCH = 8,
+        F_EXIT = 9,
 } function_key;
 
 void set_colors(void);
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 00c51507cfc..06dd2e33581 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -3,25 +3,42 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
-#include <qapplication.h>
+#include <qglobal.h>
+
+#if QT_VERSION < 0x040000
 #include <qmainwindow.h>
+#include <qvbox.h>
+#include <qvaluelist.h>
+#include <qtextbrowser.h>
+#include <qaction.h>
+#include <qheader.h>
+#include <qfiledialog.h>
+#include <qdragobject.h>
+#include <qpopupmenu.h>
+#else
+#include <q3mainwindow.h>
+#include <q3vbox.h>
+#include <q3valuelist.h>
+#include <q3textbrowser.h>
+#include <q3action.h>
+#include <q3header.h>
+#include <q3filedialog.h>
+#include <q3dragobject.h>
+#include <q3popupmenu.h>
+#endif
+
+#include <qapplication.h>
 #include <qdesktopwidget.h>
 #include <qtoolbar.h>
 #include <qlayout.h>
-#include <qvbox.h>
 #include <qsplitter.h>
-#include <qlistview.h>
-#include <qtextbrowser.h>
 #include <qlineedit.h>
 #include <qlabel.h>
 #include <qpushbutton.h>
 #include <qmenubar.h>
 #include <qmessagebox.h>
-#include <qaction.h>
-#include <qheader.h>
-#include <qfiledialog.h>
-#include <qdragobject.h>
 #include <qregexp.h>
+#include <qevent.h>
 
 #include <stdlib.h>
 
@@ -39,7 +56,7 @@
 static QApplication *configApp;
 static ConfigSettings *configSettings;
 
-QAction *ConfigMainWindow::saveAction;
+Q3Action *ConfigMainWindow::saveAction;
 
 static inline QString qgettext(const char* str)
 {
@@ -54,15 +71,14 @@ static inline QString qgettext(const QString& str)
 /**
  * Reads a list of integer values from the application settings.
  */
-QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
+Q3ValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
 {
-        QValueList<int> result;
+        Q3ValueList<int> result;
         QStringList entryList = readListEntry(key, ok);
-        if (ok) {
-                QStringList::Iterator it;
-                for (it = entryList.begin(); it != entryList.end(); ++it)
-                        result.push_back((*it).toInt());
-        }
+        QStringList::Iterator it;
+
+        for (it = entryList.begin(); it != entryList.end(); ++it)
+                result.push_back((*it).toInt());
 
         return result;
 }
@@ -70,10 +86,10 @@ QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
 /**
  * Writes a list of integer values to the application settings.
  */
-bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value)
+bool ConfigSettings::writeSizes(const QString& key, const Q3ValueList<int>& value)
 {
         QStringList stringList;
-        QValueList<int>::ConstIterator it;
+        Q3ValueList<int>::ConstIterator it;
 
         for (it = value.begin(); it != value.end(); ++it)
                 stringList.push_back(QString::number(*it));
@@ -81,7 +97,6 @@ bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value
 }
 
 
-#if QT_VERSION >= 300
 /*
  * set the new data
  * TODO check the value
@@ -92,7 +107,6 @@ void ConfigItem::okRename(int col)
         sym_set_string_value(menu->sym, text(dataColIdx).latin1());
         listView()->updateList(this);
 }
-#endif
 
 /*
  * update the displayed of a menu entry
@@ -149,7 +163,7 @@ void ConfigItem::updateMenu(void)
         case S_TRISTATE:
                 char ch;
 
-                if (!sym_is_changable(sym) && !list->showAll) {
+                if (!sym_is_changable(sym) && list->optMode == normalOpt) {
                         setPixmap(promptColIdx, 0);
                         setText(noColIdx, QString::null);
                         setText(modColIdx, QString::null);
@@ -196,11 +210,9 @@ void ConfigItem::updateMenu(void)
 
                 data = sym_get_string_value(sym);
 
-#if QT_VERSION >= 300
                 int i = list->mapIdx(dataColIdx);
                 if (i >= 0)
                         setRenameEnabled(i, TRUE);
-#endif
                 setText(dataColIdx, data);
                 if (type == S_STRING)
                         prompt = QString("%1: %2").arg(prompt).arg(data);
@@ -320,7 +332,7 @@ ConfigList::ConfigList(ConfigView* p, const char *name)
           symbolYesPix(xpm_symbol_yes), symbolModPix(xpm_symbol_mod), symbolNoPix(xpm_symbol_no),
           choiceYesPix(xpm_choice_yes), choiceNoPix(xpm_choice_no),
           menuPix(xpm_menu), menuInvPix(xpm_menu_inv), menuBackPix(xpm_menuback), voidPix(xpm_void),
-          showAll(false), showName(false), showRange(false), showData(false),
+          showName(false), showRange(false), showData(false), optMode(normalOpt),
           rootEntry(0), headerPopup(0)
 {
         int i;
@@ -337,10 +349,10 @@ ConfigList::ConfigList(ConfigView* p, const char *name)
 
         if (name) {
                 configSettings->beginGroup(name);
-                showAll = configSettings->readBoolEntry("/showAll", false);
                 showName = configSettings->readBoolEntry("/showName", false);
                 showRange = configSettings->readBoolEntry("/showRange", false);
                 showData = configSettings->readBoolEntry("/showData", false);
+                optMode = (enum optionMode)configSettings->readNumEntry("/optionMode", false);
                 configSettings->endGroup();
                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
         }
@@ -352,6 +364,17 @@ ConfigList::ConfigList(ConfigView* p, const char *name)
         reinit();
 }
 
+bool ConfigList::menuSkip(struct menu *menu)
+{
+        if (optMode == normalOpt && menu_is_visible(menu))
+                return false;
+        if (optMode == promptOpt && menu_has_prompt(menu))
+                return false;
+        if (optMode == allOpt)
+                return false;
+        return true;
+}
+
 void ConfigList::reinit(void)
 {
         removeColumn(dataColIdx);
@@ -380,7 +403,7 @@ void ConfigList::saveSettings(void)
                 configSettings->writeEntry("/showName", showName);
                 configSettings->writeEntry("/showRange", showRange);
                 configSettings->writeEntry("/showData", showData);
-                configSettings->writeEntry("/showAll", showAll);
+                configSettings->writeEntry("/optionMode", (int)optMode);
                 configSettings->endGroup();
         }
 }
@@ -422,7 +445,7 @@ void ConfigList::updateList(ConfigItem* item)
         if (!rootEntry) {
                 if (mode != listMode)
                         goto update;
-                QListViewItemIterator it(this);
+                Q3ListViewItemIterator it(this);
                 ConfigItem* item;
 
                 for (; it.current(); ++it) {
@@ -517,11 +540,9 @@ void ConfigList::changeValue(ConfigItem* item)
         case S_INT:
         case S_HEX:
         case S_STRING:
-#if QT_VERSION >= 300
                 if (colMap[dataColIdx] >= 0)
                         item->startRename(colMap[dataColIdx]);
                 else
-#endif
                         parent()->lineEdit->show(item);
                 break;
         }
@@ -553,7 +574,7 @@ void ConfigList::setParentMenu(void)
                 return;
         setRootMenu(menu_get_parent_menu(rootEntry->parent));
 
-        QListViewItemIterator it(this);
+        Q3ListViewItemIterator it(this);
         for (; (item = (ConfigItem*)it.current()); it++) {
                 if (item->menu == oldroot) {
                         setCurrentItem(item);
@@ -606,7 +627,7 @@ void ConfigList::updateMenuList(P* parent, struct menu* menu)
                 }
 
                 visible = menu_is_visible(child);
-                if (showAll || visible) {
+                if (!menuSkip(child)) {
                         if (!child->sym && !child->list && !child->prompt)
                                 continue;
                         if (!item || item->menu != child)
@@ -635,7 +656,7 @@ void ConfigList::updateMenuList(P* parent, struct menu* menu)
 
 void ConfigList::keyPressEvent(QKeyEvent* ev)
 {
-        QListViewItem* i = currentItem();
+        Q3ListViewItem* i = currentItem();
         ConfigItem* item;
         struct menu *menu;
         enum prop_type type;
@@ -801,10 +822,10 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 {
         if (e->y() <= header()->geometry().bottom()) {
                 if (!headerPopup) {
-                        QAction *action;
+                        Q3Action *action;
 
-                        headerPopup = new QPopupMenu(this);
-                        action = new QAction(NULL, _("Show Name"), 0, this);
+                        headerPopup = new Q3PopupMenu(this);
+                        action = new Q3Action(NULL, _("Show Name"), 0, this);
                           action->setToggleAction(TRUE);
                           connect(action, SIGNAL(toggled(bool)),
                                   parent(), SLOT(setShowName(bool)));
@@ -812,7 +833,7 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
                                   action, SLOT(setOn(bool)));
                           action->setOn(showName);
                           action->addTo(headerPopup);
-                        action = new QAction(NULL, _("Show Range"), 0, this);
+                        action = new Q3Action(NULL, _("Show Range"), 0, this);
                           action->setToggleAction(TRUE);
                           connect(action, SIGNAL(toggled(bool)),
                                   parent(), SLOT(setShowRange(bool)));
@@ -820,7 +841,7 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
                                   action, SLOT(setOn(bool)));
                           action->setOn(showRange);
                           action->addTo(headerPopup);
-                        action = new QAction(NULL, _("Show Data"), 0, this);
+                        action = new Q3Action(NULL, _("Show Data"), 0, this);
                           action->setToggleAction(TRUE);
                           connect(action, SIGNAL(toggled(bool)),
                                   parent(), SLOT(setShowData(bool)));
@@ -835,7 +856,10 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
                 e->ignore();
 }
 
-ConfigView* ConfigView::viewList;
+ConfigView*ConfigView::viewList;
+QAction *ConfigView::showNormalAction;
+QAction *ConfigView::showAllAction;
+QAction *ConfigView::showPromptAction;
 
 ConfigView::ConfigView(QWidget* parent, const char *name)
         : Parent(parent, name)
@@ -860,13 +884,16 @@ ConfigView::~ConfigView(void)
         }
 }
 
-void ConfigView::setShowAll(bool b)
+void ConfigView::setOptionMode(QAction *act)
 {
-        if (list->showAll != b) {
-                list->showAll = b;
-                list->updateListAll();
-                emit showAllChanged(b);
-        }
+        if (act == showNormalAction)
+                list->optMode = normalOpt;
+        else if (act == showAllAction)
+                list->optMode = allOpt;
+        else
+                list->optMode = promptOpt;
+
+        list->updateListAll();
 }
 
 void ConfigView::setShowName(bool b)
@@ -898,7 +925,7 @@ void ConfigView::setShowData(bool b)
 
 void ConfigList::setAllOpen(bool open)
 {
-        QListViewItemIterator it(this);
+        Q3ListViewItemIterator it(this);
 
         for (; it.current(); it++)
                 it.current()->setOpen(open);
@@ -921,7 +948,7 @@ void ConfigView::updateListAll(void)
 }
 
 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
-        : Parent(parent, name), sym(0), menu(0)
+        : Parent(parent, name), sym(0), _menu(0)
 {
         if (name) {
                 configSettings->beginGroup(name);
@@ -944,7 +971,7 @@ void ConfigInfoView::setShowDebug(bool b)
 {
         if (_showDebug != b) {
                 _showDebug = b;
-                if (menu)
+                if (_menu)
                         menuInfo();
                 else if (sym)
                         symbolInfo();
@@ -954,44 +981,16 @@ void ConfigInfoView::setShowDebug(bool b)
 
 void ConfigInfoView::setInfo(struct menu *m)
 {
-        if (menu == m)
+        if (_menu == m)
                 return;
-        menu = m;
+        _menu = m;
         sym = NULL;
-        if (!menu)
+        if (!_menu)
                 clear();
         else
                 menuInfo();
 }
 
-void ConfigInfoView::setSource(const QString& name)
-{
-        const char *p = name.latin1();
-
-        menu = NULL;
-        sym = NULL;
-
-        switch (p[0]) {
-        case 'm':
-                struct menu *m;
-
-                if (sscanf(p, "m%p", &m) == 1 && menu != m) {
-                        menu = m;
-                        menuInfo();
-                        emit menuSelected(menu);
-                }
-                break;
-        case 's':
-                struct symbol *s;
-
-                if (sscanf(p, "s%p", &s) == 1 && sym != s) {
-                        sym = s;
-                        symbolInfo();
-                }
-                break;
-        }
-}
-
 void ConfigInfoView::symbolInfo(void)
 {
         QString str;
@@ -1013,11 +1012,11 @@ void ConfigInfoView::menuInfo(void)
         struct symbol* sym;
         QString head, debug, help;
 
-        sym = menu->sym;
+        sym = _menu->sym;
         if (sym) {
-                if (menu->prompt) {
+                if (_menu->prompt) {
                         head += "<big><b>";
-                        head += print_filter(_(menu->prompt->text));
+                        head += print_filter(_(_menu->prompt->text));
                         head += "</b></big>";
                         if (sym->name) {
                                 head += " (";
@@ -1043,23 +1042,23 @@ void ConfigInfoView::menuInfo(void)
                         debug = debug_info(sym);
 
                 struct gstr help_gstr = str_new();
-                menu_get_ext_help(menu, &help_gstr);
+                menu_get_ext_help(_menu, &help_gstr);
                 help = print_filter(str_get(&help_gstr));
                 str_free(&help_gstr);
-        } else if (menu->prompt) {
+        } else if (_menu->prompt) {
                 head += "<big><b>";
-                head += print_filter(_(menu->prompt->text));
+                head += print_filter(_(_menu->prompt->text));
                 head += "</b></big><br><br>";
                 if (showDebug()) {
-                        if (menu->prompt->visible.expr) {
+                        if (_menu->prompt->visible.expr) {
                                 debug += "&nbsp;&nbsp;dep: ";
-                                expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
+                                expr_print(_menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
                                 debug += "<br><br>";
                         }
                 }
         }
         if (showDebug())
-                debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
+                debug += QString().sprintf("defined at %s:%d<br><br>", _menu->file->name, _menu->lineno);
 
         setText(head + debug + help);
 }
@@ -1162,10 +1161,10 @@ void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char
                 *text += str2;
 }
 
-QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
+Q3PopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
 {
-        QPopupMenu* popup = Parent::createPopupMenu(pos);
-        QAction* action = new QAction(NULL, _("Show Debug Info"), 0, popup);
+        Q3PopupMenu* popup = Parent::createPopupMenu(pos);
+        Q3Action* action = new Q3Action(NULL, _("Show Debug Info"), 0, popup);
           action->setToggleAction(TRUE);
           connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
           connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
@@ -1222,7 +1221,7 @@ ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow* parent, const char *nam
                         y = configSettings->readNumEntry("/window y", 0, &ok);
                 if (ok)
                         move(x, y);
-                QValueList<int> sizes = configSettings->readSizes("/split", &ok);
+                Q3ValueList<int> sizes = configSettings->readSizes("/split", &ok);
                 if (ok)
                         split->setSizes(sizes);
                 configSettings->endGroup();
@@ -1275,8 +1274,14 @@ ConfigMainWindow::ConfigMainWindow(void)
         char title[256];
 
         QDesktopWidget *d = configApp->desktop();
-        snprintf(title, sizeof(title), _("Linux Kernel v%s Configuration"),
-                getenv("KERNELVERSION"));
+        snprintf(title, sizeof(title), "%s%s",
+                rootmenu.prompt->text,
+#if QT_VERSION < 0x040000
+                " (Qt3)"
+#else
+                ""
+#endif
+                );
         setCaption(title);
 
         width = configSettings->readNumEntry("/window width", d->width() - 64);
@@ -1309,60 +1314,79 @@ ConfigMainWindow::ConfigMainWindow(void)
         configList->setFocus();
 
         menu = menuBar();
-        toolBar = new QToolBar("Tools", this);
+        toolBar = new Q3ToolBar("Tools", this);
 
-        backAction = new QAction("Back", QPixmap(xpm_back), _("Back"), 0, this);
+        backAction = new Q3Action("Back", QPixmap(xpm_back), _("Back"), 0, this);
           connect(backAction, SIGNAL(activated()), SLOT(goBack()));
           backAction->setEnabled(FALSE);
-        QAction *quitAction = new QAction("Quit", _("&Quit"), Qt::CTRL + Qt::Key_Q, this);
+        Q3Action *quitAction = new Q3Action("Quit", _("&Quit"), Qt::CTRL + Qt::Key_Q, this);
           connect(quitAction, SIGNAL(activated()), SLOT(close()));
-        QAction *loadAction = new QAction("Load", QPixmap(xpm_load), _("&Load"), Qt::CTRL + Qt::Key_L, this);
+        Q3Action *loadAction = new Q3Action("Load", QPixmap(xpm_load), _("&Load"), Qt::CTRL + Qt::Key_L, this);
           connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
-        saveAction = new QAction("Save", QPixmap(xpm_save), _("&Save"), Qt::CTRL + Qt::Key_S, this);
+        saveAction = new Q3Action("Save", QPixmap(xpm_save), _("&Save"), Qt::CTRL + Qt::Key_S, this);
           connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
         conf_set_changed_callback(conf_changed);
         // Set saveAction's initial state
         conf_changed();
-        QAction *saveAsAction = new QAction("Save As...", _("Save &As..."), 0, this);
+        Q3Action *saveAsAction = new Q3Action("Save As...", _("Save &As..."), 0, this);
           connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
-        QAction *searchAction = new QAction("Find", _("&Find"), Qt::CTRL + Qt::Key_F, this);
+        Q3Action *searchAction = new Q3Action("Find", _("&Find"), Qt::CTRL + Qt::Key_F, this);
           connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
-        QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), _("Single View"), 0, this);
+        Q3Action *singleViewAction = new Q3Action("Single View", QPixmap(xpm_single_view), _("Single View"), 0, this);
           connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
-        QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), _("Split View"), 0, this);
+        Q3Action *splitViewAction = new Q3Action("Split View", QPixmap(xpm_split_view), _("Split View"), 0, this);
           connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
-        QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), _("Full View"), 0, this);
+        Q3Action *fullViewAction = new Q3Action("Full View", QPixmap(xpm_tree_view), _("Full View"), 0, this);
           connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
 
-        QAction *showNameAction = new QAction(NULL, _("Show Name"), 0, this);
+        Q3Action *showNameAction = new Q3Action(NULL, _("Show Name"), 0, this);
           showNameAction->setToggleAction(TRUE);
           connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
           connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
           showNameAction->setOn(configView->showName());
-        QAction *showRangeAction = new QAction(NULL, _("Show Range"), 0, this);
+        Q3Action *showRangeAction = new Q3Action(NULL, _("Show Range"), 0, this);
           showRangeAction->setToggleAction(TRUE);
           connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
           connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
           showRangeAction->setOn(configList->showRange);
-        QAction *showDataAction = new QAction(NULL, _("Show Data"), 0, this);
+        Q3Action *showDataAction = new Q3Action(NULL, _("Show Data"), 0, this);
           showDataAction->setToggleAction(TRUE);
           connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
           connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
           showDataAction->setOn(configList->showData);
-        QAction *showAllAction = new QAction(NULL, _("Show All Options"), 0, this);
-          showAllAction->setToggleAction(TRUE);
-          connect(showAllAction, SIGNAL(toggled(bool)), configView, SLOT(setShowAll(bool)));
-          connect(showAllAction, SIGNAL(toggled(bool)), menuView, SLOT(setShowAll(bool)));
-          showAllAction->setOn(configList->showAll);
-        QAction *showDebugAction = new QAction(NULL, _("Show Debug Info"), 0, this);
+
+        QActionGroup *optGroup = new QActionGroup(this);
+        optGroup->setExclusive(TRUE);
+        connect(optGroup, SIGNAL(selected(QAction *)), configView,
+                SLOT(setOptionMode(QAction *)));
+        connect(optGroup, SIGNAL(selected(QAction *)), menuView,
+                SLOT(setOptionMode(QAction *)));
+
+#if QT_VERSION >= 0x040000
+        configView->showNormalAction = new QAction(_("Show Normal Options"), optGroup);
+        configView->showAllAction = new QAction(_("Show All Options"), optGroup);
+        configView->showPromptAction = new QAction(_("Show Prompt Options"), optGroup);
+#else
+        configView->showNormalAction = new QAction(_("Show Normal Options"), 0, optGroup);
+        configView->showAllAction = new QAction(_("Show All Options"), 0, optGroup);
+        configView->showPromptAction = new QAction(_("Show Prompt Options"), 0, optGroup);
+#endif
+        configView->showNormalAction->setToggleAction(TRUE);
+        configView->showNormalAction->setOn(configList->optMode == normalOpt);
+        configView->showAllAction->setToggleAction(TRUE);
+        configView->showAllAction->setOn(configList->optMode == allOpt);
+        configView->showPromptAction->setToggleAction(TRUE);
+        configView->showPromptAction->setOn(configList->optMode == promptOpt);
+
+        Q3Action *showDebugAction = new Q3Action(NULL, _("Show Debug Info"), 0, this);
           showDebugAction->setToggleAction(TRUE);
           connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
           connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
           showDebugAction->setOn(helpText->showDebug());
 
-        QAction *showIntroAction = new QAction(NULL, _("Introduction"), 0, this);
+        Q3Action *showIntroAction = new Q3Action(NULL, _("Introduction"), 0, this);
           connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
-        QAction *showAboutAction = new QAction(NULL, _("About"), 0, this);
+        Q3Action *showAboutAction = new Q3Action(NULL, _("About"), 0, this);
           connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
 
         // init tool bar
@@ -1376,7 +1400,7 @@ ConfigMainWindow::ConfigMainWindow(void)
         fullViewAction->addTo(toolBar);
 
         // create config menu
-        QPopupMenu* config = new QPopupMenu(this);
+        Q3PopupMenu* config = new Q3PopupMenu(this);
         menu->insertItem(_("&File"), config);
         loadAction->addTo(config);
         saveAction->addTo(config);
@@ -1385,22 +1409,22 @@ ConfigMainWindow::ConfigMainWindow(void)
         quitAction->addTo(config);
 
         // create edit menu
-        QPopupMenu* editMenu = new QPopupMenu(this);
+        Q3PopupMenu* editMenu = new Q3PopupMenu(this);
         menu->insertItem(_("&Edit"), editMenu);
         searchAction->addTo(editMenu);
 
         // create options menu
-        QPopupMenu* optionMenu = new QPopupMenu(this);
+        Q3PopupMenu* optionMenu = new Q3PopupMenu(this);
         menu->insertItem(_("&Option"), optionMenu);
         showNameAction->addTo(optionMenu);
         showRangeAction->addTo(optionMenu);
         showDataAction->addTo(optionMenu);
         optionMenu->insertSeparator();
-        showAllAction->addTo(optionMenu);
-        showDebugAction->addTo(optionMenu);
+        optGroup->addTo(optionMenu);
+        optionMenu->insertSeparator();
 
         // create help menu
-        QPopupMenu* helpMenu = new QPopupMenu(this);
+        Q3PopupMenu* helpMenu = new Q3PopupMenu(this);
         menu->insertSeparator();
         menu->insertItem(_("&Help"), helpMenu);
         showIntroAction->addTo(helpMenu);
@@ -1435,7 +1459,7 @@ ConfigMainWindow::ConfigMainWindow(void)
                 showSplitView();
 
         // UI setup done, restore splitter positions
-        QValueList<int> sizes = configSettings->readSizes("/split1", &ok);
+        Q3ValueList<int> sizes = configSettings->readSizes("/split1", &ok);
         if (ok)
                 split1->setSizes(sizes);
 
@@ -1446,7 +1470,7 @@ ConfigMainWindow::ConfigMainWindow(void)
 
 void ConfigMainWindow::loadConfig(void)
 {
-        QString s = QFileDialog::getOpenFileName(conf_get_configname(), NULL, this);
+        QString s = Q3FileDialog::getOpenFileName(conf_get_configname(), NULL, this);
         if (s.isNull())
                 return;
         if (conf_read(QFile::encodeName(s)))
@@ -1462,7 +1486,7 @@ void ConfigMainWindow::saveConfig(void)
 
 void ConfigMainWindow::saveConfigAs(void)
 {
-        QString s = QFileDialog::getSaveFileName(conf_get_configname(), NULL, this);
+        QString s = Q3FileDialog::getSaveFileName(conf_get_configname(), NULL, this);
         if (s.isNull())
                 return;
         if (conf_write(QFile::encodeName(s)))
@@ -1491,7 +1515,7 @@ void ConfigMainWindow::setMenuLink(struct menu *menu)
         ConfigList* list = NULL;
         ConfigItem* item;
 
-        if (!menu_is_visible(menu) && !configView->showAll())
+        if (configList->menuSkip(menu))
                 return;
 
         switch (configList->mode) {
@@ -1631,7 +1655,7 @@ void ConfigMainWindow::closeEvent(QCloseEvent* e)
 
 void ConfigMainWindow::showIntro(void)
 {
-        static const QString str = _("Welcome to the qconf graphical kernel configuration tool for Linux.\n\n"
+        static const QString str = _("Welcome to the qconf graphical configuration tool.\n\n"
                 "For each option, a blank box indicates the feature is disabled, a check\n"
                 "indicates it is enabled, and a dot indicates that it is to be compiled\n"
                 "as a module.  Clicking on the box will cycle through the three states.\n\n"
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index b3b5657b6b3..91677d900db 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -3,26 +3,25 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
+#if QT_VERSION < 0x040000
 #include <qlistview.h>
-#if QT_VERSION >= 300
-#include <qsettings.h>
 #else
-class QSettings {
-public:
-        void beginGroup(const QString& group) { }
-        void endGroup(void) { }
-        bool readBoolEntry(const QString& key, bool def = FALSE, bool* ok = 0) const
-        { if (ok) *ok = FALSE; return def; }
-        int readNumEntry(const QString& key, int def = 0, bool* ok = 0) const
-        { if (ok) *ok = FALSE; return def; }
-        QString readEntry(const QString& key, const QString& def = QString::null, bool* ok = 0) const
-        { if (ok) *ok = FALSE; return def; }
-        QStringList readListEntry(const QString& key, bool* ok = 0) const
-        { if (ok) *ok = FALSE; return QStringList(); }
-        template <class t>
-        bool writeEntry(const QString& key, t value)
-        { return TRUE; }
-};
+#include <q3listview.h>
+#endif
+#include <qsettings.h>
+
+#if QT_VERSION < 0x040000
+#define Q3ValueList             QValueList
+#define Q3PopupMenu             QPopupMenu
+#define Q3ListView              QListView
+#define Q3ListViewItem          QListViewItem
+#define Q3VBox                  QVBox
+#define Q3TextBrowser           QTextBrowser
+#define Q3MainWindow            QMainWindow
+#define Q3Action                QAction
+#define Q3ToolBar               QToolBar
+#define Q3ListViewItemIterator  QListViewItemIterator
+#define Q3FileDialog            QFileDialog
 #endif
 
 class ConfigView;
@@ -31,11 +30,10 @@ class ConfigItem;
 class ConfigLineEdit;
 class ConfigMainWindow;
 
-
 class ConfigSettings : public QSettings {
 public:
-        QValueList<int> readSizes(const QString& key, bool *ok);
-        bool writeSizes(const QString& key, const QValueList<int>& value);
+        Q3ValueList<int> readSizes(const QString& key, bool *ok);
+        bool writeSizes(const QString& key, const Q3ValueList<int>& value);
 };
 
 enum colIdx {
@@ -44,10 +42,13 @@ enum colIdx {
 enum listMode {
         singleMode, menuMode, symbolMode, fullMode, listMode
 };
+enum optionMode {
+        normalOpt = 0, allOpt, promptOpt
+};
 
-class ConfigList : public QListView {
+class ConfigList : public Q3ListView {
         Q_OBJECT
-        typedef class QListView Parent;
+        typedef class Q3ListView Parent;
 public:
         ConfigList(ConfigView* p, const char *name = 0);
         void reinit(void);
@@ -115,6 +116,8 @@ public:
         void setAllOpen(bool open);
         void setParentMenu(void);
 
+        bool menuSkip(struct menu *);
+
         template <class P>
         void updateMenuList(P*, struct menu*);
 
@@ -124,22 +127,23 @@ public:
         QPixmap choiceYesPix, choiceNoPix;
         QPixmap menuPix, menuInvPix, menuBackPix, voidPix;
 
-        bool showAll, showName, showRange, showData;
+        bool showName, showRange, showData;
         enum listMode mode;
+        enum optionMode optMode;
         struct menu *rootEntry;
         QColorGroup disabledColorGroup;
         QColorGroup inactivedColorGroup;
-        QPopupMenu* headerPopup;
+        Q3PopupMenu* headerPopup;
 
 private:
         int colMap[colNr];
         int colRevMap[colNr];
 };
 
-class ConfigItem : public QListViewItem {
-        typedef class QListViewItem Parent;
+class ConfigItem : public Q3ListViewItem {
+        typedef class Q3ListViewItem Parent;
 public:
-        ConfigItem(QListView *parent, ConfigItem *after, struct menu *m, bool v)
+        ConfigItem(Q3ListView *parent, ConfigItem *after, struct menu *m, bool v)
         : Parent(parent, after), menu(m), visible(v), goParent(false)
         {
                 init();
@@ -149,16 +153,14 @@ public:
         {
                 init();
         }
-        ConfigItem(QListView *parent, ConfigItem *after, bool v)
+        ConfigItem(Q3ListView *parent, ConfigItem *after, bool v)
         : Parent(parent, after), menu(0), visible(v), goParent(true)
         {
                 init();
         }
         ~ConfigItem(void);
         void init(void);
-#if QT_VERSION >= 300
         void okRename(int col);
-#endif
         void updateMenu(void);
         void testUpdateMenu(bool v);
         ConfigList* listView() const
@@ -213,26 +215,24 @@ public:
         ConfigItem *item;
 };
 
-class ConfigView : public QVBox {
+class ConfigView : public Q3VBox {
         Q_OBJECT
-        typedef class QVBox Parent;
+        typedef class Q3VBox Parent;
 public:
         ConfigView(QWidget* parent, const char *name = 0);
         ~ConfigView(void);
         static void updateList(ConfigItem* item);
         static void updateListAll(void);
 
-        bool showAll(void) const { return list->showAll; }
         bool showName(void) const { return list->showName; }
         bool showRange(void) const { return list->showRange; }
         bool showData(void) const { return list->showData; }
 public slots:
-        void setShowAll(bool);
         void setShowName(bool);
         void setShowRange(bool);
         void setShowData(bool);
+        void setOptionMode(QAction *);
 signals:
-        void showAllChanged(bool);
         void showNameChanged(bool);
         void showRangeChanged(bool);
         void showDataChanged(bool);
@@ -242,11 +242,15 @@ public:
 
         static ConfigView* viewList;
         ConfigView* nextView;
+
+        static QAction *showNormalAction;
+        static QAction *showAllAction;
+        static QAction *showPromptAction;
 };
 
-class ConfigInfoView : public QTextBrowser {
+class ConfigInfoView : public Q3TextBrowser {
         Q_OBJECT
-        typedef class QTextBrowser Parent;
+        typedef class Q3TextBrowser Parent;
 public:
         ConfigInfoView(QWidget* parent, const char *name = 0);
         bool showDebug(void) const { return _showDebug; }
@@ -254,7 +258,6 @@ public:
 public slots:
         void setInfo(struct menu *menu);
         void saveSettings(void);
-        void setSource(const QString& name);
         void setShowDebug(bool);
 
 signals:
@@ -267,11 +270,11 @@ protected:
         QString debug_info(struct symbol *sym);
         static QString print_filter(const QString &str);
         static void expr_print_help(void *data, struct symbol *sym, const char *str);
-        QPopupMenu* createPopupMenu(const QPoint& pos);
+        Q3PopupMenu* createPopupMenu(const QPoint& pos);
         void contentsContextMenuEvent(QContextMenuEvent *e);
 
         struct symbol *sym;
-        struct menu *menu;
+        struct menu *_menu;
         bool _showDebug;
 };
 
@@ -295,10 +298,10 @@ protected:
         struct symbol **result;
 };
 
-class ConfigMainWindow : public QMainWindow {
+class ConfigMainWindow : public Q3MainWindow {
         Q_OBJECT
 
-        static QAction *saveAction;
+        static Q3Action *saveAction;
         static void conf_changed(void);
 public:
         ConfigMainWindow(void);
@@ -327,8 +330,8 @@ protected:
         ConfigView *configView;
         ConfigList *configList;
         ConfigInfoView *helpText;
-        QToolBar *toolBar;
-        QAction *backAction;
+        Q3ToolBar *toolBar;
+        Q3Action *backAction;
         QSplitter* split1;
         QSplitter* split2;
 };
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 0d800820c3c..fd81fc33d63 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -42,6 +42,8 @@
 #    mv config_strip .config
 #    make oldconfig
 #
+use strict;
+
 my $config = ".config";
 
 my $uname = `uname -r`;
@@ -113,14 +115,18 @@ find_config;
 # Get the build source and top level Kconfig file (passed in)
 my $ksource = $ARGV[0];
 my $kconfig = $ARGV[1];
+my $lsmod_file = $ARGV[2];
+
+my @makefiles = `find $ksource -name Makefile 2>/dev/null`;
+chomp @makefiles;
 
-my @makefiles = `find $ksource -name Makefile`;
 my %depends;
 my %selects;
 my %prompts;
 my %objects;
 my $var;
-my $cont = 0;
+my $iflevel = 0;
+my @ifdeps;
 
 # prevent recursion
 my %read_kconfigs;
@@ -132,19 +138,54 @@ sub read_kconfig {
     my $config;
     my @kconfigs;
 
-    open(KIN, "$ksource/$kconfig") || die "Can't open $kconfig";
+    my $cont = 0;
+    my $line;
+
+    my $source = "$ksource/$kconfig";
+    my $last_source = "";
+
+    # Check for any environment variables used
+    while ($source =~ /\$(\w+)/ && $last_source ne $source) {
+        my $env = $1;
+        $last_source = $source;
+        $source =~ s/\$$env/$ENV{$env}/;
+    }
+
+    open(KIN, "$source") || die "Can't open $kconfig";
     while (<KIN>) {
         chomp;
 
+        # Make sure that lines ending with \ continue
+        if ($cont) {
+            $_ = $line . " " . $_;
+        }
+
+        if (s/\\$//) {
+            $cont = 1;
+            $line = $_;
+            next;
+        }
+
+        $cont = 0;
+
         # collect any Kconfig sources
         if (/^source\s*"(.*)"/) {
             $kconfigs[$#kconfigs+1] = $1;
         }
 
         # configs found
-        if (/^\s*config\s+(\S+)\s*$/) {
+        if (/^\s*(menu)?config\s+(\S+)\s*$/) {
             $state = "NEW";
-            $config = $1;
+            $config = $2;
+
+            for (my $i = 0; $i < $iflevel; $i++) {
+                if ($i) {
+                    $depends{$config} .= " " . $ifdeps[$i];
+                } else {
+                    $depends{$config} = $ifdeps[$i];
+                }
+                $state = "DEP";
+            }
 
         # collect the depends for the config
         } elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
@@ -164,7 +205,22 @@ sub read_kconfig {
         # configs without prompts must be selected
         } elsif ($state ne "NONE" && /^\s*tristate\s\S/) {
             # note if the config has a prompt
-            $prompt{$config} = 1;
+            $prompts{$config} = 1;
+
+        # Check for if statements
+        } elsif (/^if\s+(.*\S)\s*$/) {
+            my $deps = $1;
+            # remove beginning and ending non text
+            $deps =~ s/^[^a-zA-Z0-9_]*//;
+            $deps =~ s/[^a-zA-Z0-9_]*$//;
+
+            my @deps = split /[^a-zA-Z0-9_]+/, $deps;
+
+            $ifdeps[$iflevel++] = join ':', @deps;
+
+        } elsif (/^endif/) {
+
+            $iflevel-- if ($iflevel);
 
         # stop on "help"
         } elsif (/^\s*help\s*$/) {
@@ -188,7 +244,8 @@ if ($kconfig) {
 
 # Read all Makefiles to map the configs to the objects
 foreach my $makefile (@makefiles) {
-    chomp $makefile;
+
+    my $cont = 0;
 
     open(MIN,$makefile) || die "Can't open $makefile";
     while (<MIN>) {
@@ -215,7 +272,7 @@ foreach my $makefile (@makefiles) {
             foreach my $obj (split /\s+/,$objs) {
                 $obj =~ s/-/_/g;
                 if ($obj =~ /(.*)\.o$/) {
-                    # Objects may bes enabled by more than one config.
+                    # Objects may be enabled by more than one config.
                     # Store configs in an array.
                     my @arr;
 
@@ -237,8 +294,36 @@ foreach my $makefile (@makefiles) {
 
 my %modules;
 
-# see what modules are loaded on this system
-open(LIN,"/sbin/lsmod|") || die "Cant lsmod";
+if (defined($lsmod_file)) {
+    if ( ! -f $lsmod_file) {
+        die "$lsmod_file not found";
+    }
+    if ( -x $lsmod_file) {
+        # the file is executable, run it
+        open(LIN, "$lsmod_file|");
+    } else {
+        # Just read the contents
+        open(LIN, "$lsmod_file");
+    }
+} else {
+
+    # see what modules are loaded on this system
+    my $lsmod;
+
+    foreach my $dir ( ("/sbin", "/bin", "/usr/sbin", "/usr/bin") ) {
+        if ( -x "$dir/lsmod" ) {
+            $lsmod = "$dir/lsmod";
+            last;
+        }
+}
+    if (!defined($lsmod)) {
+        # try just the path
+        $lsmod = "lsmod";
+    }
+
+    open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod";
+}
+
 while (<LIN>) {
         next if (/^Module/);  # Skip the first line.
         if (/^(\S+)/) {
@@ -252,7 +337,7 @@ close (LIN);
 my %configs;
 foreach my $module (keys(%modules)) {
     if (defined($objects{$module})) {
-        @arr = @{$objects{$module}};
+        my @arr = @{$objects{$module}};
         foreach my $conf (@arr) {
             $configs{$conf} = $module;
         }
@@ -307,7 +392,7 @@ while ($repeat) {
             parse_config_dep_select $depends{$config};
         }
 
-        if (defined($prompt{$config}) || !defined($selects{$config})) {
+        if (defined($prompts{$config}) || !defined($selects{$config})) {
             next;
         }
 
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 2e7a048e0cf..a796c95fe8a 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -205,6 +205,16 @@ static void sym_calc_visibility(struct symbol *sym)
         }
         if (sym_is_choice_value(sym))
                 return;
+        /* defaulting to "yes" if no explicit "depends on" are given */
+        tri = yes;
+        if (sym->dir_dep.expr)
+                tri = expr_calc_value(sym->dir_dep.expr);
+        if (tri == mod)
+                tri = yes;
+        if (sym->dir_dep.tri != tri) {
+                sym->dir_dep.tri = tri;
+                sym_set_changed(sym);
+        }
         tri = no;
         if (sym->rev_dep.expr)
                 tri = expr_calc_value(sym->rev_dep.expr);
@@ -216,44 +226,63 @@ static void sym_calc_visibility(struct symbol *sym)
         }
 }
 
-static struct symbol *sym_calc_choice(struct symbol *sym)
+/*
+ * Find the default symbol for a choice.
+ * First try the default values for the choice symbol
+ * Next locate the first visible choice value
+ * Return NULL if none was found
+ */
+struct symbol *sym_choice_default(struct symbol *sym)
 {
         struct symbol *def_sym;
         struct property *prop;
         struct expr *e;
 
-        /* is the user choice visible? */
-        def_sym = sym->def[S_DEF_USER].val;
-        if (def_sym) {
-                sym_calc_visibility(def_sym);
-                if (def_sym->visible != no)
-                        return def_sym;
-        }
-
         /* any of the defaults visible? */
         for_all_defaults(sym, prop) {
                 prop->visible.tri = expr_calc_value(prop->visible.expr);
                 if (prop->visible.tri == no)
                         continue;
                 def_sym = prop_get_symbol(prop);
-                sym_calc_visibility(def_sym);
                 if (def_sym->visible != no)
                         return def_sym;
         }
 
         /* just get the first visible value */
         prop = sym_get_choice_prop(sym);
-        expr_list_for_each_sym(prop->expr, e, def_sym) {
-                sym_calc_visibility(def_sym);
+        expr_list_for_each_sym(prop->expr, e, def_sym)
                 if (def_sym->visible != no)
                         return def_sym;
-        }
 
-        /* no choice? reset tristate value */
-        sym->curr.tri = no;
+        /* failed to locate any defaults */
         return NULL;
 }
 
+static struct symbol *sym_calc_choice(struct symbol *sym)
+{
+        struct symbol *def_sym;
+        struct property *prop;
+        struct expr *e;
+
+        /* first calculate all choice values' visibilities */
+        prop = sym_get_choice_prop(sym);
+        expr_list_for_each_sym(prop->expr, e, def_sym)
+                sym_calc_visibility(def_sym);
+
+        /* is the user choice visible? */
+        def_sym = sym->def[S_DEF_USER].val;
+        if (def_sym && def_sym->visible != no)
+                return def_sym;
+
+        def_sym = sym_choice_default(sym);
+
+        if (def_sym == NULL)
+                /* no choice? reset tristate value */
+                sym->curr.tri = no;
+
+        return def_sym;
+}
+
 void sym_calc_value(struct symbol *sym)
 {
         struct symbol_value newval, oldval;
@@ -321,6 +350,18 @@ void sym_calc_value(struct symbol *sym)
                                 }
                         }
                 calc_newval:
+                        if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) {
+                                struct expr *e;
+                                e = expr_simplify_unmet_dep(sym->rev_dep.expr,
+                                    sym->dir_dep.expr);
+                                fprintf(stderr, "warning: (");
+                                expr_fprint(e, stderr);
+                                fprintf(stderr, ") selects %s which has unmet direct dependencies (",
+                                        sym->name);
+                                expr_fprint(sym->dir_dep.expr, stderr);
+                                fprintf(stderr, ")\n");
+                                expr_free(e);
+                        }
                         newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
                 }
                 if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
@@ -365,12 +406,13 @@ void sym_calc_value(struct symbol *sym)
 
         if (sym_is_choice(sym)) {
                 struct symbol *choice_sym;
-                int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
 
                 prop = sym_get_choice_prop(sym);
                 expr_list_for_each_sym(prop->expr, e, choice_sym) {
-                        choice_sym->flags |= flags;
-                        if (flags & SYMBOL_CHANGED)
+                        if ((sym->flags & SYMBOL_WRITE) &&
+                            choice_sym->visible != no)
+                                choice_sym->flags |= SYMBOL_WRITE;
+                        if (sym->flags & SYMBOL_CHANGED)
                                 sym_set_changed(choice_sym);
                 }
         }
@@ -623,6 +665,80 @@ bool sym_set_string_value(struct symbol *sym, const char *newval)
         return true;
 }
 
+/*
+ * Find the default value associated to a symbol.
+ * For tristate symbol handle the modules=n case
+ * in which case "m" becomes "y".
+ * If the symbol does not have any default then fallback
+ * to the fixed default values.
+ */
+const char *sym_get_string_default(struct symbol *sym)
+{
+        struct property *prop;
+        struct symbol *ds;
+        const char *str;
+        tristate val;
+
+        sym_calc_visibility(sym);
+        sym_calc_value(modules_sym);
+        val = symbol_no.curr.tri;
+        str = symbol_empty.curr.val;
+
+        /* If symbol has a default value look it up */
+        prop = sym_get_default_prop(sym);
+        if (prop != NULL) {
+                switch (sym->type) {
+                case S_BOOLEAN:
+                case S_TRISTATE:
+                        /* The visibility may limit the value from yes => mod */
+                        val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri);
+                        break;
+                default:
+                        /*
+                         * The following fails to handle the situation
+                         * where a default value is further limited by
+                         * the valid range.
+                         */
+                        ds = prop_get_symbol(prop);
+                        if (ds != NULL) {
+                                sym_calc_value(ds);
+                                str = (const char *)ds->curr.val;
+                        }
+                }
+        }
+
+        /* Handle select statements */
+        val = EXPR_OR(val, sym->rev_dep.tri);
+
+        /* transpose mod to yes if modules are not enabled */
+        if (val == mod)
+                if (!sym_is_choice_value(sym) && modules_sym->curr.tri == no)
+                        val = yes;
+
+        /* transpose mod to yes if type is bool */
+        if (sym->type == S_BOOLEAN && val == mod)
+                val = yes;
+
+        switch (sym->type) {
+        case S_BOOLEAN:
+        case S_TRISTATE:
+                switch (val) {
+                case no: return "n";
+                case mod: return "m";
+                case yes: return "y";
+                }
+        case S_INT:
+        case S_HEX:
+                return str;
+        case S_STRING:
+                return str;
+        case S_OTHER:
+        case S_UNKNOWN:
+                break;
+        }
+        return "";
+}
+
 const char *sym_get_string_value(struct symbol *sym)
 {
         tristate val;
@@ -728,6 +844,55 @@ struct symbol *sym_find(const char *name)
         return symbol;
 }
 
+/*
+ * Expand symbol's names embedded in the string given in argument. Symbols'
+ * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
+ * the empty string.
+ */
+const char *sym_expand_string_value(const char *in)
+{
+        const char *src;
+        char *res;
+        size_t reslen;
+
+        reslen = strlen(in) + 1;
+        res = malloc(reslen);
+        res[0] = '\0';
+
+        while ((src = strchr(in, '$'))) {
+                char *p, name[SYMBOL_MAXLENGTH];
+                const char *symval = "";
+                struct symbol *sym;
+                size_t newlen;
+
+                strncat(res, in, src - in);
+                src++;
+
+                p = name;
+                while (isalnum(*src) || *src == '_')
+                        *p++ = *src++;
+                *p = '\0';
+
+                sym = sym_find(name);
+                if (sym != NULL) {
+                        sym_calc_value(sym);
+                        symval = sym_get_string_value(sym);
+                }
+
+                newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
+                if (newlen > reslen) {
+                        reslen = newlen;
+                        res = realloc(res, reslen);
+                }
+
+                strcat(res, symval);
+                in = src;
+        }
+        strcat(res, in);
+
+        return res;
+}
+
 struct symbol **sym_re_search(const char *pattern)
 {
         struct symbol *sym, **sym_arr = NULL;
@@ -765,6 +930,112 @@ struct symbol **sym_re_search(const char *pattern)
         return sym_arr;
 }
 
+/*
+ * When we check for recursive dependencies we use a stack to save
+ * current state so we can print out relevant info to user.
+ * The entries are located on the call stack so no need to free memory.
+ * Note inser() remove() must always match to properly clear the stack.
+ */
+static struct dep_stack {
+        struct dep_stack *prev, *next;
+        struct symbol *sym;
+        struct property *prop;
+        struct expr *expr;
+} *check_top;
+
+static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)
+{
+        memset(stack, 0, sizeof(*stack));
+        if (check_top)
+                check_top->next = stack;
+        stack->prev = check_top;
+        stack->sym = sym;
+        check_top = stack;
+}
+
+static void dep_stack_remove(void)
+{
+        check_top = check_top->prev;
+        if (check_top)
+                check_top->next = NULL;
+}
+
+/*
+ * Called when we have detected a recursive dependency.
+ * check_top point to the top of the stact so we use
+ * the ->prev pointer to locate the bottom of the stack.
+ */
+static void sym_check_print_recursive(struct symbol *last_sym)
+{
+        struct dep_stack *stack;
+        struct symbol *sym, *next_sym;
+        struct menu *menu = NULL;
+        struct property *prop;
+        struct dep_stack cv_stack;
+
+        if (sym_is_choice_value(last_sym)) {
+                dep_stack_insert(&cv_stack, last_sym);
+                last_sym = prop_get_symbol(sym_get_choice_prop(last_sym));
+        }
+
+        for (stack = check_top; stack != NULL; stack = stack->prev)
+                if (stack->sym == last_sym)
+                        break;
+        if (!stack) {
+                fprintf(stderr, "unexpected recursive dependency error\n");
+                return;
+        }
+
+        for (; stack; stack = stack->next) {
+                sym = stack->sym;
+                next_sym = stack->next ? stack->next->sym : last_sym;
+                prop = stack->prop;
+                if (prop == NULL)
+                        prop = stack->sym->prop;
+
+                /* for choice values find the menu entry (used below) */
+                if (sym_is_choice(sym) || sym_is_choice_value(sym)) {
+                        for (prop = sym->prop; prop; prop = prop->next) {
+                                menu = prop->menu;
+                                if (prop->menu)
+                                        break;
+                        }
+                }
+                if (stack->sym == last_sym)
+                        fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
+                                prop->file->name, prop->lineno);
+                if (stack->expr) {
+                        fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
+                                prop->file->name, prop->lineno,
+                                sym->name ? sym->name : "<choice>",
+                                prop_get_type_name(prop->type),
+                                next_sym->name ? next_sym->name : "<choice>");
+                } else if (stack->prop) {
+                        fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
+                                prop->file->name, prop->lineno,
+                                sym->name ? sym->name : "<choice>",
+                                next_sym->name ? next_sym->name : "<choice>");
+                } else if (sym_is_choice(sym)) {
+                        fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
+                                menu->file->name, menu->lineno,
+                                sym->name ? sym->name : "<choice>",
+                                next_sym->name ? next_sym->name : "<choice>");
+                } else if (sym_is_choice_value(sym)) {
+                        fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
+                                menu->file->name, menu->lineno,
+                                sym->name ? sym->name : "<choice>",
+                                next_sym->name ? next_sym->name : "<choice>");
+                } else {
+                        fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
+                                prop->file->name, prop->lineno,
+                                sym->name ? sym->name : "<choice>",
+                                next_sym->name ? next_sym->name : "<choice>");
+                }
+        }
+
+        if (check_top == &cv_stack)
+                dep_stack_remove();
+}
 
 static struct symbol *sym_check_expr_deps(struct expr *e)
 {
@@ -801,24 +1072,33 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
 {
         struct symbol *sym2;
         struct property *prop;
+        struct dep_stack stack;
+
+        dep_stack_insert(&stack, sym);
 
         sym2 = sym_check_expr_deps(sym->rev_dep.expr);
         if (sym2)
-                return sym2;
+                goto out;
 
         for (prop = sym->prop; prop; prop = prop->next) {
                 if (prop->type == P_CHOICE || prop->type == P_SELECT)
                         continue;
+                stack.prop = prop;
                 sym2 = sym_check_expr_deps(prop->visible.expr);
                 if (sym2)
                         break;
                 if (prop->type != P_DEFAULT || sym_is_choice(sym))
                         continue;
+                stack.expr = prop->expr;
                 sym2 = sym_check_expr_deps(prop->expr);
                 if (sym2)
                         break;
+                stack.expr = NULL;
         }
 
+out:
+        dep_stack_remove();
+
         return sym2;
 }
 
@@ -827,6 +1107,9 @@ static struct symbol *sym_check_choice_deps(struct symbol *choice)
         struct symbol *sym, *sym2;
         struct property *prop;
         struct expr *e;
+        struct dep_stack stack;
+
+        dep_stack_insert(&stack, choice);
 
         prop = sym_get_choice_prop(choice);
         expr_list_for_each_sym(prop->expr, e, sym)
@@ -840,10 +1123,8 @@ static struct symbol *sym_check_choice_deps(struct symbol *choice)
 
         expr_list_for_each_sym(prop->expr, e, sym) {
                 sym2 = sym_check_sym_deps(sym);
-                if (sym2) {
-                        fprintf(stderr, " -> %s", sym->name);
+                if (sym2)
                         break;
-                }
         }
 out:
         expr_list_for_each_sym(prop->expr, e, sym)
@@ -853,6 +1134,8 @@ out:
             prop_get_symbol(sym_get_choice_prop(sym2)) == choice)
                 sym2 = choice;
 
+        dep_stack_remove();
+
         return sym2;
 }
 
@@ -862,18 +1145,20 @@ struct symbol *sym_check_deps(struct symbol *sym)
         struct property *prop;
 
         if (sym->flags & SYMBOL_CHECK) {
-                fprintf(stderr, "%s:%d:error: found recursive dependency: %s",
-                        sym->prop->file->name, sym->prop->lineno,
-                        sym->name ? sym->name : "<choice>");
+                sym_check_print_recursive(sym);
                 return sym;
         }
         if (sym->flags & SYMBOL_CHECKED)
                 return NULL;
 
         if (sym_is_choice_value(sym)) {
+                struct dep_stack stack;
+
                 /* for choice groups start the check with main choice symbol */
+                dep_stack_insert(&stack, sym);
                 prop = sym_get_choice_prop(sym);
                 sym2 = sym_check_deps(prop_get_symbol(prop));
+                dep_stack_remove();
         } else if (sym_is_choice(sym)) {
                 sym2 = sym_check_choice_deps(sym);
         } else {
@@ -882,14 +1167,8 @@ struct symbol *sym_check_deps(struct symbol *sym)
                 sym->flags &= ~SYMBOL_CHECK;
         }
 
-        if (sym2) {
-                fprintf(stderr, " -> %s", sym->name ? sym->name : "<choice>");
-                if (sym2 == sym) {
-                        fprintf(stderr, "\n");
-                        zconfnerrs++;
-                        sym2 = NULL;
-                }
-        }
+        if (sym2 && sym2 == sym)
+                sym2 = NULL;
 
         return sym2;
 }
@@ -943,6 +1222,8 @@ const char *prop_get_type_name(enum prop_type type)
                 return "select";
         case P_RANGE:
                 return "range";
+        case P_SYMBOL:
+                return "symbol";
         case P_UNKNOWN:
                 break;
         }
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 81c100d953e..6330cc871a4 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -12,15 +12,18 @@
 struct file *file_lookup(const char *name)
 {
         struct file *file;
+        const char *file_name = sym_expand_string_value(name);
 
         for (file = file_list; file; file = file->next) {
-                if (!strcmp(name, file->name))
+                if (!strcmp(name, file->name)) {
+                        free((void *)file_name);
                         return file;
+                }
         }
 
         file = malloc(sizeof(*file));
         memset(file, 0, sizeof(*file));
-        file->name = strdup(name);
+        file->name = file_name;
         file->next = file_list;
         file_list = file;
         return file;
@@ -72,7 +75,7 @@ int file_write_dep(const char *name)
 }
 
 
-/* Allocate initial growable sting */
+/* Allocate initial growable string */
 struct gstr str_new(void)
 {
         struct gstr gs;
diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf
index d8bc7424962..c9e690eb754 100644
--- a/scripts/kconfig/zconf.gperf
+++ b/scripts/kconfig/zconf.gperf
@@ -38,6 +38,7 @@ hex,		T_TYPE,		TF_COMMAND, S_HEX
 string,         T_TYPE,         TF_COMMAND, S_STRING
 select,         T_SELECT,       TF_COMMAND
 range,          T_RANGE,        TF_COMMAND
+visible,        T_VISIBLE,      TF_COMMAND
 option,         T_OPTION,       TF_COMMAND
 on,             T_ON,           TF_PARAM
 modules,        T_OPT_MODULES,  TF_OPTION
diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped
index c1748faf463..4055d5de175 100644
--- a/scripts/kconfig/zconf.hash.c_shipped
+++ b/scripts/kconfig/zconf.hash.c_shipped
@@ -32,7 +32,7 @@
 struct kconf_id;
 
 static struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
-/* maximum key range = 47, duplicates = 0 */
+/* maximum key range = 50, duplicates = 0 */
 
 #ifdef __GNUC__
 __inline
@@ -46,32 +46,32 @@ kconf_id_hash (register const char *str, register unsigned int len)
 {
   static unsigned char asso_values[] =
     {
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 11,  5,
-       0,  0,  5, 49,  5, 20, 49, 49,  5, 20,
-       5,  0, 30, 49,  0, 15,  0, 10,  0, 49,
-      25, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 40,  5,
+       0,  0,  5, 52,  0, 20, 52, 52, 10, 20,
+       5,  0, 35, 52,  0, 30,  0, 15,  0, 52,
+      15, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52
     };
   register int hval = len;
 
@@ -102,25 +102,26 @@ struct kconf_id_strings_t
     char kconf_id_strings_str12[sizeof("default")];
     char kconf_id_strings_str13[sizeof("def_bool")];
     char kconf_id_strings_str14[sizeof("help")];
-    char kconf_id_strings_str15[sizeof("bool")];
     char kconf_id_strings_str16[sizeof("config")];
     char kconf_id_strings_str17[sizeof("def_tristate")];
-    char kconf_id_strings_str18[sizeof("boolean")];
+    char kconf_id_strings_str18[sizeof("hex")];
     char kconf_id_strings_str19[sizeof("defconfig_list")];
-    char kconf_id_strings_str21[sizeof("string")];
     char kconf_id_strings_str22[sizeof("if")];
     char kconf_id_strings_str23[sizeof("int")];
-    char kconf_id_strings_str26[sizeof("select")];
     char kconf_id_strings_str27[sizeof("modules")];
     char kconf_id_strings_str28[sizeof("tristate")];
     char kconf_id_strings_str29[sizeof("menu")];
-    char kconf_id_strings_str31[sizeof("source")];
     char kconf_id_strings_str32[sizeof("comment")];
-    char kconf_id_strings_str33[sizeof("hex")];
     char kconf_id_strings_str35[sizeof("menuconfig")];
-    char kconf_id_strings_str36[sizeof("prompt")];
-    char kconf_id_strings_str37[sizeof("depends")];
+    char kconf_id_strings_str36[sizeof("string")];
+    char kconf_id_strings_str37[sizeof("visible")];
+    char kconf_id_strings_str41[sizeof("prompt")];
+    char kconf_id_strings_str42[sizeof("depends")];
+    char kconf_id_strings_str44[sizeof("bool")];
+    char kconf_id_strings_str46[sizeof("select")];
+    char kconf_id_strings_str47[sizeof("boolean")];
     char kconf_id_strings_str48[sizeof("mainmenu")];
+    char kconf_id_strings_str51[sizeof("source")];
   };
 static struct kconf_id_strings_t kconf_id_strings_contents =
   {
@@ -136,25 +137,26 @@ static struct kconf_id_strings_t kconf_id_strings_contents =
     "default",
     "def_bool",
     "help",
-    "bool",
     "config",
     "def_tristate",
-    "boolean",
+    "hex",
     "defconfig_list",
-    "string",
     "if",
     "int",
-    "select",
     "modules",
     "tristate",
     "menu",
-    "source",
     "comment",
-    "hex",
     "menuconfig",
+    "string",
+    "visible",
     "prompt",
     "depends",
-    "mainmenu"
+    "bool",
+    "select",
+    "boolean",
+    "mainmenu",
+    "source"
   };
 #define kconf_id_strings ((const char *) &kconf_id_strings_contents)
 #ifdef __GNUC__
@@ -168,11 +170,11 @@ kconf_id_lookup (register const char *str, register unsigned int len)
 {
   enum
     {
-      TOTAL_KEYWORDS = 31,
+      TOTAL_KEYWORDS = 32,
       MIN_WORD_LENGTH = 2,
       MAX_WORD_LENGTH = 14,
       MIN_HASH_VALUE = 2,
-      MAX_HASH_VALUE = 48
+      MAX_HASH_VALUE = 51
     };
 
   static struct kconf_id wordlist[] =
@@ -191,31 +193,35 @@ kconf_id_lookup (register const char *str, register unsigned int len)
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,    T_DEFAULT,      TF_COMMAND, S_UNKNOWN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,    T_DEFAULT,      TF_COMMAND, S_BOOLEAN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14,            T_HELP,         TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str15,            T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,            T_CONFIG,       TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,    T_DEFAULT,      TF_COMMAND, S_TRISTATE},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,    T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,            T_TYPE,         TF_COMMAND, S_HEX},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str19,    T_OPT_DEFCONFIG_LIST,TF_OPTION},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21,            T_TYPE,         TF_COMMAND, S_STRING},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22,            T_IF,           TF_COMMAND|TF_PARAM},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,            T_TYPE,         TF_COMMAND, S_INT},
-      {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26,            T_SELECT,       TF_COMMAND},
+      {-1}, {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27,    T_OPT_MODULES,  TF_OPTION},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28,    T_TYPE,         TF_COMMAND, S_TRISTATE},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29,            T_MENU,         TF_COMMAND},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31,            T_SOURCE,       TF_COMMAND},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32,    T_COMMENT,      TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33,            T_TYPE,         TF_COMMAND, S_HEX},
-      {-1},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35,    T_MENUCONFIG,   TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,            T_PROMPT,       TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,    T_DEPENDS,      TF_COMMAND},
-      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,            T_TYPE,         TF_COMMAND, S_STRING},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,    T_VISIBLE,      TF_COMMAND},
+      {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41,            T_PROMPT,       TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42,    T_DEPENDS,      TF_COMMAND},
       {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,    T_MAINMENU,     TF_COMMAND}
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str44,            T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46,            T_SELECT,       TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47,    T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,    T_MAINMENU,     TF_COMMAND},
+      {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51,            T_SOURCE,       TF_COMMAND}
     };
 
   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index d8f7236cb0a..3dbaec185cc 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -304,9 +304,10 @@ void zconf_nextfile(const char *name)
         memset(buf, 0, sizeof(*buf));
 
         current_buf->state = YY_CURRENT_BUFFER;
-        yyin = zconf_fopen(name);
+        yyin = zconf_fopen(file->name);
         if (!yyin) {
-                printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+                printf("%s:%d: can't open file \"%s\"\n",
+                    zconf_curname(), zconf_lineno(), file->name);
                 exit(1);
         }
         yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
@@ -353,7 +354,7 @@ int zconf_lineno(void)
         return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
         return current_pos.file ? current_pos.file->name : "<none>";
 }
diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index 32a9eefd842..4c5495ea205 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -160,18 +160,19 @@ static struct menu *current_menu, *current_entry;
      T_DEFAULT = 275,
      T_SELECT = 276,
      T_RANGE = 277,
-     T_OPTION = 278,
-     T_ON = 279,
-     T_WORD = 280,
-     T_WORD_QUOTE = 281,
-     T_UNEQUAL = 282,
-     T_CLOSE_PAREN = 283,
-     T_OPEN_PAREN = 284,
-     T_EOL = 285,
-     T_OR = 286,
-     T_AND = 287,
-     T_EQUAL = 288,
-     T_NOT = 289
+     T_VISIBLE = 278,
+     T_OPTION = 279,
+     T_ON = 280,
+     T_WORD = 281,
+     T_WORD_QUOTE = 282,
+     T_UNEQUAL = 283,
+     T_CLOSE_PAREN = 284,
+     T_OPEN_PAREN = 285,
+     T_EOL = 286,
+     T_OR = 287,
+     T_AND = 288,
+     T_EQUAL = 289,
+     T_NOT = 290
    };
 #endif
 
@@ -417,22 +418,22 @@ union yyalloc
 #endif
 
 /* YYFINAL -- State number of the termination state.  */
-#define YYFINAL  3
+#define YYFINAL  11
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   259
+#define YYLAST   290
 
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  35
+#define YYNTOKENS  36
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  46
+#define YYNNTS  50
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  110
+#define YYNRULES  118
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  180
+#define YYNSTATES  191
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   289
+#define YYMAXUTOK   290
 
 #define YYTRANSLATE(YYX)                                                \
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -468,7 +469,8 @@ static const yytype_uint8 yytranslate[] =
        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
-      25,    26,    27,    28,    29,    30,    31,    32,    33,    34
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35
 };
 
 #if YYDEBUG
@@ -476,73 +478,75 @@ static const yytype_uint8 yytranslate[] =
    YYRHS.  */
 static const yytype_uint16 yyprhs[] =
 {
-       0,     0,     3,     5,     6,     9,    12,    15,    20,    23,
-      28,    33,    37,    39,    41,    43,    45,    47,    49,    51,
-      53,    55,    57,    59,    61,    63,    67,    70,    74,    77,
-      81,    84,    85,    88,    91,    94,    97,   100,   103,   107,
-     112,   117,   122,   128,   132,   133,   137,   138,   141,   145,
-     148,   150,   154,   155,   158,   161,   164,   167,   170,   175,
-     179,   182,   187,   188,   191,   195,   197,   201,   202,   205,
-     208,   211,   215,   218,   220,   224,   225,   228,   231,   234,
-     238,   242,   245,   248,   251,   252,   255,   258,   261,   266,
-     267,   270,   272,   274,   277,   280,   283,   285,   288,   289,
-     292,   294,   298,   302,   306,   309,   313,   317,   319,   321,
-     322
+       0,     0,     3,     6,     8,    11,    13,    14,    17,    20,
+      23,    26,    31,    36,    40,    42,    44,    46,    48,    50,
+      52,    54,    56,    58,    60,    62,    64,    66,    68,    72,
+      75,    79,    82,    86,    89,    90,    93,    96,    99,   102,
+     105,   108,   112,   117,   122,   127,   133,   137,   138,   142,
+     143,   146,   150,   153,   155,   159,   160,   163,   166,   169,
+     172,   175,   180,   184,   187,   192,   193,   196,   200,   202,
+     206,   207,   210,   213,   216,   220,   224,   228,   230,   234,
+     235,   238,   241,   244,   248,   252,   255,   258,   261,   262,
+     265,   268,   271,   276,   277,   280,   283,   286,   287,   290,
+     292,   294,   297,   300,   303,   305,   308,   309,   312,   314,
+     318,   322,   326,   329,   333,   337,   339,   341,   342
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      36,     0,    -1,    37,    -1,    -1,    37,    39,    -1,    37,
-      53,    -1,    37,    64,    -1,    37,     3,    74,    76,    -1,
-      37,    75,    -1,    37,    25,     1,    30,    -1,    37,    38,
-       1,    30,    -1,    37,     1,    30,    -1,    16,    -1,    18,
-      -1,    19,    -1,    21,    -1,    17,    -1,    22,    -1,    20,
-      -1,    30,    -1,    59,    -1,    68,    -1,    42,    -1,    44,
-      -1,    66,    -1,    25,     1,    30,    -1,     1,    30,    -1,
-      10,    25,    30,    -1,    41,    45,    -1,    11,    25,    30,
-      -1,    43,    45,    -1,    -1,    45,    46,    -1,    45,    47,
-      -1,    45,    72,    -1,    45,    70,    -1,    45,    40,    -1,
-      45,    30,    -1,    19,    73,    30,    -1,    18,    74,    77,
-      30,    -1,    20,    78,    77,    30,    -1,    21,    25,    77,
-      30,    -1,    22,    79,    79,    77,    30,    -1,    23,    48,
-      30,    -1,    -1,    48,    25,    49,    -1,    -1,    33,    74,
-      -1,     7,    80,    30,    -1,    50,    54,    -1,    75,    -1,
-      51,    56,    52,    -1,    -1,    54,    55,    -1,    54,    72,
-      -1,    54,    70,    -1,    54,    30,    -1,    54,    40,    -1,
-      18,    74,    77,    30,    -1,    19,    73,    30,    -1,    17,
-      30,    -1,    20,    25,    77,    30,    -1,    -1,    56,    39,
-      -1,    14,    78,    76,    -1,    75,    -1,    57,    60,    58,
-      -1,    -1,    60,    39,    -1,    60,    64,    -1,    60,    53,
-      -1,     4,    74,    30,    -1,    61,    71,    -1,    75,    -1,
-      62,    65,    63,    -1,    -1,    65,    39,    -1,    65,    64,
-      -1,    65,    53,    -1,     6,    74,    30,    -1,     9,    74,
-      30,    -1,    67,    71,    -1,    12,    30,    -1,    69,    13,
-      -1,    -1,    71,    72,    -1,    71,    30,    -1,    71,    40,
-      -1,    16,    24,    78,    30,    -1,    -1,    74,    77,    -1,
-      25,    -1,    26,    -1,     5,    30,    -1,     8,    30,    -1,
-      15,    30,    -1,    30,    -1,    76,    30,    -1,    -1,    14,
-      78,    -1,    79,    -1,    79,    33,    79,    -1,    79,    27,
-      79,    -1,    29,    78,    28,    -1,    34,    78,    -1,    78,
-      31,    78,    -1,    78,    32,    78,    -1,    25,    -1,    26,
-      -1,    -1,    25,    -1
+      37,     0,    -1,    81,    38,    -1,    38,    -1,    63,    39,
+      -1,    39,    -1,    -1,    39,    41,    -1,    39,    55,    -1,
+      39,    67,    -1,    39,    80,    -1,    39,    26,     1,    31,
+      -1,    39,    40,     1,    31,    -1,    39,     1,    31,    -1,
+      16,    -1,    18,    -1,    19,    -1,    21,    -1,    17,    -1,
+      22,    -1,    20,    -1,    23,    -1,    31,    -1,    61,    -1,
+      71,    -1,    44,    -1,    46,    -1,    69,    -1,    26,     1,
+      31,    -1,     1,    31,    -1,    10,    26,    31,    -1,    43,
+      47,    -1,    11,    26,    31,    -1,    45,    47,    -1,    -1,
+      47,    48,    -1,    47,    49,    -1,    47,    75,    -1,    47,
+      73,    -1,    47,    42,    -1,    47,    31,    -1,    19,    78,
+      31,    -1,    18,    79,    82,    31,    -1,    20,    83,    82,
+      31,    -1,    21,    26,    82,    31,    -1,    22,    84,    84,
+      82,    31,    -1,    24,    50,    31,    -1,    -1,    50,    26,
+      51,    -1,    -1,    34,    79,    -1,     7,    85,    31,    -1,
+      52,    56,    -1,    80,    -1,    53,    58,    54,    -1,    -1,
+      56,    57,    -1,    56,    75,    -1,    56,    73,    -1,    56,
+      31,    -1,    56,    42,    -1,    18,    79,    82,    31,    -1,
+      19,    78,    31,    -1,    17,    31,    -1,    20,    26,    82,
+      31,    -1,    -1,    58,    41,    -1,    14,    83,    81,    -1,
+      80,    -1,    59,    62,    60,    -1,    -1,    62,    41,    -1,
+      62,    67,    -1,    62,    55,    -1,     3,    79,    81,    -1,
+       4,    79,    31,    -1,    64,    76,    74,    -1,    80,    -1,
+      65,    68,    66,    -1,    -1,    68,    41,    -1,    68,    67,
+      -1,    68,    55,    -1,     6,    79,    31,    -1,     9,    79,
+      31,    -1,    70,    74,    -1,    12,    31,    -1,    72,    13,
+      -1,    -1,    74,    75,    -1,    74,    31,    -1,    74,    42,
+      -1,    16,    25,    83,    31,    -1,    -1,    76,    77,    -1,
+      76,    31,    -1,    23,    82,    -1,    -1,    79,    82,    -1,
+      26,    -1,    27,    -1,     5,    31,    -1,     8,    31,    -1,
+      15,    31,    -1,    31,    -1,    81,    31,    -1,    -1,    14,
+      83,    -1,    84,    -1,    84,    34,    84,    -1,    84,    28,
+      84,    -1,    30,    83,    29,    -1,    35,    83,    -1,    83,
+      32,    83,    -1,    83,    33,    83,    -1,    26,    -1,    27,
+      -1,    -1,    26,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   107,   107,   109,   111,   112,   113,   114,   115,   116,
-     117,   121,   125,   125,   125,   125,   125,   125,   125,   129,
-     130,   131,   132,   133,   134,   138,   139,   145,   153,   159,
-     167,   177,   179,   180,   181,   182,   183,   184,   187,   195,
-     201,   211,   217,   223,   226,   228,   239,   240,   245,   254,
-     259,   267,   270,   272,   273,   274,   275,   276,   279,   285,
-     296,   302,   312,   314,   319,   327,   335,   338,   340,   341,
-     342,   347,   354,   359,   367,   370,   372,   373,   374,   377,
-     385,   392,   399,   405,   412,   414,   415,   416,   419,   427,
-     429,   434,   435,   438,   439,   440,   444,   445,   448,   449,
-     452,   453,   454,   455,   456,   457,   458,   461,   462,   465,
-     466
+       0,   108,   108,   108,   110,   110,   112,   114,   115,   116,
+     117,   118,   119,   123,   127,   127,   127,   127,   127,   127,
+     127,   127,   131,   132,   133,   134,   135,   136,   140,   141,
+     147,   155,   161,   169,   179,   181,   182,   183,   184,   185,
+     186,   189,   197,   203,   213,   219,   225,   228,   230,   241,
+     242,   247,   256,   261,   269,   272,   274,   275,   276,   277,
+     278,   281,   287,   298,   304,   314,   316,   321,   329,   337,
+     340,   342,   343,   344,   349,   356,   363,   368,   376,   379,
+     381,   382,   383,   386,   394,   401,   408,   414,   421,   423,
+     424,   425,   428,   436,   438,   439,   442,   449,   451,   456,
+     457,   460,   461,   462,   466,   467,   470,   471,   474,   475,
+     476,   477,   478,   479,   480,   483,   484,   487,   488
 };
 #endif
 
@@ -555,19 +559,19 @@ static const char *const yytname[] =
   "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
   "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
   "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE",
-  "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
+  "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
   "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
-  "T_NOT", "$accept", "input", "stmt_list", "option_name", "common_stmt",
-  "option_error", "config_entry_start", "config_stmt",
+  "T_NOT", "$accept", "input", "start", "stmt_list", "option_name",
+  "common_stmt", "option_error", "config_entry_start", "config_stmt",
   "menuconfig_entry_start", "menuconfig_stmt", "config_option_list",
   "config_option", "symbol_option", "symbol_option_list",
   "symbol_option_arg", "choice", "choice_entry", "choice_end",
   "choice_stmt", "choice_option_list", "choice_option", "choice_block",
-  "if_entry", "if_end", "if_stmt", "if_block", "menu", "menu_entry",
-  "menu_end", "menu_stmt", "menu_block", "source_stmt", "comment",
-  "comment_stmt", "help_start", "help", "depends_list", "depends",
-  "prompt_stmt_opt", "prompt", "end", "nl", "if_expr", "expr", "symbol",
-  "word_opt", 0
+  "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu",
+  "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt",
+  "comment", "comment_stmt", "help_start", "help", "depends_list",
+  "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt",
+  "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0
 };
 #endif
 
@@ -579,42 +583,42 @@ static const yytype_uint16 yytoknum[] =
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
-     285,   286,   287,   288,   289
+     285,   286,   287,   288,   289,   290
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       0,    35,    36,    37,    37,    37,    37,    37,    37,    37,
-      37,    37,    38,    38,    38,    38,    38,    38,    38,    39,
-      39,    39,    39,    39,    39,    40,    40,    41,    42,    43,
-      44,    45,    45,    45,    45,    45,    45,    45,    46,    46,
-      46,    46,    46,    47,    48,    48,    49,    49,    50,    51,
-      52,    53,    54,    54,    54,    54,    54,    54,    55,    55,
-      55,    55,    56,    56,    57,    58,    59,    60,    60,    60,
-      60,    61,    62,    63,    64,    65,    65,    65,    65,    66,
-      67,    68,    69,    70,    71,    71,    71,    71,    72,    73,
-      73,    74,    74,    75,    75,    75,    76,    76,    77,    77,
-      78,    78,    78,    78,    78,    78,    78,    79,    79,    80,
-      80
+       0,    36,    37,    37,    38,    38,    39,    39,    39,    39,
+      39,    39,    39,    39,    40,    40,    40,    40,    40,    40,
+      40,    40,    41,    41,    41,    41,    41,    41,    42,    42,
+      43,    44,    45,    46,    47,    47,    47,    47,    47,    47,
+      47,    48,    48,    48,    48,    48,    49,    50,    50,    51,
+      51,    52,    53,    54,    55,    56,    56,    56,    56,    56,
+      56,    57,    57,    57,    57,    58,    58,    59,    60,    61,
+      62,    62,    62,    62,    63,    64,    65,    66,    67,    68,
+      68,    68,    68,    69,    70,    71,    72,    73,    74,    74,
+      74,    74,    75,    76,    76,    76,    77,    78,    78,    79,
+      79,    80,    80,    80,    81,    81,    82,    82,    83,    83,
+      83,    83,    83,    83,    83,    84,    84,    85,    85
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
-       0,     2,     1,     0,     2,     2,     2,     4,     2,     4,
-       4,     3,     1,     1,     1,     1,     1,     1,     1,     1,
-       1,     1,     1,     1,     1,     3,     2,     3,     2,     3,
-       2,     0,     2,     2,     2,     2,     2,     2,     3,     4,
-       4,     4,     5,     3,     0,     3,     0,     2,     3,     2,
-       1,     3,     0,     2,     2,     2,     2,     2,     4,     3,
-       2,     4,     0,     2,     3,     1,     3,     0,     2,     2,
-       2,     3,     2,     1,     3,     0,     2,     2,     2,     3,
-       3,     2,     2,     2,     0,     2,     2,     2,     4,     0,
-       2,     1,     1,     2,     2,     2,     1,     2,     0,     2,
-       1,     3,     3,     3,     2,     3,     3,     1,     1,     0,
-       1
+       0,     2,     2,     1,     2,     1,     0,     2,     2,     2,
+       2,     4,     4,     3,     1,     1,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     1,     1,     3,     2,
+       3,     2,     3,     2,     0,     2,     2,     2,     2,     2,
+       2,     3,     4,     4,     4,     5,     3,     0,     3,     0,
+       2,     3,     2,     1,     3,     0,     2,     2,     2,     2,
+       2,     4,     3,     2,     4,     0,     2,     3,     1,     3,
+       0,     2,     2,     2,     3,     3,     3,     1,     3,     0,
+       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
+       2,     2,     4,     0,     2,     2,     2,     0,     2,     1,
+       1,     2,     2,     2,     1,     2,     0,     2,     1,     3,
+       3,     3,     2,     3,     3,     1,     1,     0,     1
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -622,158 +626,172 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
-       3,     0,     0,     1,     0,     0,     0,     0,     0,   109,
-       0,     0,     0,     0,     0,     0,    12,    16,    13,    14,
-      18,    15,    17,     0,    19,     0,     4,    31,    22,    31,
-      23,    52,    62,     5,    67,    20,    84,    75,     6,    24,
-      84,    21,     8,    11,    91,    92,     0,     0,    93,     0,
-     110,     0,    94,     0,     0,     0,   107,   108,     0,     0,
-       0,   100,    95,     0,     0,     0,     0,     0,     0,     0,
-       0,     0,     0,    96,     7,    71,    79,    48,    80,    27,
-      29,     0,   104,     0,     0,    64,     0,     0,     9,    10,
-       0,     0,     0,     0,    89,     0,     0,     0,    44,     0,
-      37,    36,    32,    33,     0,    35,    34,     0,     0,    89,
-       0,    56,    57,    53,    55,    54,    63,    51,    50,    68,
-      70,    66,    69,    65,    86,    87,    85,    76,    78,    74,
-      77,    73,    97,   103,   105,   106,   102,   101,    26,    82,
-       0,    98,     0,    98,    98,    98,     0,     0,     0,    83,
-      60,    98,     0,    98,     0,     0,     0,    38,    90,     0,
-       0,    98,    46,    43,    25,     0,    59,     0,    88,    99,
-      39,    40,    41,     0,     0,    45,    58,    61,    42,    47
+       6,     0,   104,     0,     3,     0,     6,     6,    99,   100,
+       0,     1,     0,     0,     0,     0,   117,     0,     0,     0,
+       0,     0,     0,    14,    18,    15,    16,    20,    17,    19,
+      21,     0,    22,     0,     7,    34,    25,    34,    26,    55,
+      65,     8,    70,    23,    93,    79,     9,    27,    88,    24,
+      10,     0,   105,     2,    74,    13,     0,   101,     0,   118,
+       0,   102,     0,     0,     0,   115,   116,     0,     0,     0,
+     108,   103,     0,     0,     0,     0,     0,     0,     0,    88,
+       0,     0,    75,    83,    51,    84,    30,    32,     0,   112,
+       0,     0,    67,     0,     0,    11,    12,     0,     0,     0,
+       0,    97,     0,     0,     0,    47,     0,    40,    39,    35,
+      36,     0,    38,    37,     0,     0,    97,     0,    59,    60,
+      56,    58,    57,    66,    54,    53,    71,    73,    69,    72,
+      68,   106,    95,     0,    94,    80,    82,    78,    81,    77,
+      90,    91,    89,   111,   113,   114,   110,   109,    29,    86,
+       0,   106,     0,   106,   106,   106,     0,     0,     0,    87,
+      63,   106,     0,   106,     0,    96,     0,     0,    41,    98,
+       0,     0,   106,    49,    46,    28,     0,    62,     0,   107,
+      92,    42,    43,    44,     0,     0,    48,    61,    64,    45,
+      50
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
 static const yytype_int16 yydefgoto[] =
 {
-      -1,     1,     2,    25,    26,   101,    27,    28,    29,    30,
-      65,   102,   103,   147,   175,    31,    32,   117,    33,    67,
-     113,    68,    34,   121,    35,    69,    36,    37,   129,    38,
-      71,    39,    40,    41,   104,   105,    70,   106,   142,   143,
-      42,    74,   156,    60,    61,    51
+      -1,     3,     4,     5,    33,    34,   108,    35,    36,    37,
+      38,    74,   109,   110,   157,   186,    39,    40,   124,    41,
+      76,   120,    77,    42,   128,    43,    78,     6,    44,    45,
+     137,    46,    80,    47,    48,    49,   111,   112,    81,   113,
+      79,   134,   152,   153,    50,     7,   165,    69,    70,    60
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -80
+#define YYPACT_NINF -90
 static const yytype_int16 yypact[] =
 {
-     -80,     2,   132,   -80,   -13,    -1,    -1,    -2,    -1,     9,
-      33,    -1,    27,    40,    -3,    38,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,    71,   -80,    77,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,    57,    61,   -80,    63,
-     -80,    76,   -80,    87,   101,   133,   -80,   -80,    -3,    -3,
-     195,    -6,   -80,   136,   149,    39,   104,    65,   150,     5,
-     194,     5,   167,   -80,   176,   -80,   -80,   -80,   -80,   -80,
-     -80,    68,   -80,    -3,    -3,   176,    72,    72,   -80,   -80,
-     177,   187,    78,    -1,    -1,    -3,   196,    72,   -80,   222,
-     -80,   -80,   -80,   -80,   221,   -80,   -80,   205,    -1,    -1,
-     211,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   206,   -80,   -80,   -80,   -80,   -80,
-      -3,   223,   209,   223,   197,   223,    72,     7,   210,   -80,
-     -80,   223,   212,   223,   201,    -3,   213,   -80,   -80,   214,
-     215,   223,   208,   -80,   -80,   216,   -80,   217,   -80,   113,
-     -80,   -80,   -80,   218,    -1,   -80,   -80,   -80,   -80,   -80
+       4,    42,   -90,    96,   -90,   111,   -90,    15,   -90,   -90,
+      75,   -90,    82,    42,   104,    42,   110,   107,    42,   115,
+     125,    -4,   121,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   162,   -90,   163,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   139,   -90,   -90,   138,   -90,   142,   -90,   143,   -90,
+     152,   -90,   164,   167,   168,   -90,   -90,    -4,    -4,    77,
+     -18,   -90,   177,   185,    33,    71,   195,   247,   236,    -2,
+     236,   171,   -90,   -90,   -90,   -90,   -90,   -90,    41,   -90,
+      -4,    -4,   138,    97,    97,   -90,   -90,   186,   187,   194,
+      42,    42,    -4,   196,    97,   -90,   219,   -90,   -90,   -90,
+     -90,   210,   -90,   -90,   204,    42,    42,   199,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   222,   -90,   223,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   215,   -90,   -90,   -90,   -90,   -90,
+      -4,   222,   228,   222,    -5,   222,    97,    35,   229,   -90,
+     -90,   222,   232,   222,    -4,   -90,   135,   233,   -90,   -90,
+     234,   235,   222,   240,   -90,   -90,   237,   -90,   239,   -13,
+     -90,   -90,   -90,   -90,   244,    42,   -90,   -90,   -90,   -90,
+     -90
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yytype_int16 yypgoto[] =
 {
-     -80,   -80,   -80,   -80,   122,   -34,   -80,   -80,   -80,   -80,
-     220,   -80,   -80,   -80,   -80,   -80,   -80,   -80,    59,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   125,
-     -80,   -80,   -80,   -80,   -80,   183,   219,    22,   142,    -5,
-     147,   192,    69,   -54,   -79,   -80
+     -90,   -90,   269,   271,   -90,    23,   -70,   -90,   -90,   -90,
+     -90,   243,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -48,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -20,   -90,   -90,   -90,   -90,   -90,   206,   205,   -68,
+     -90,   -90,   169,    -1,    27,    -7,   118,   -66,   -89,   -90
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -82
+#define YYTABLE_NINF -86
 static const yytype_int16 yytable[] =
 {
-      46,    47,     3,    49,    81,    82,    53,   136,   137,     6,
-       7,     8,     9,    10,    11,    12,    13,    43,   146,    14,
-      15,    86,    56,    57,    44,    45,    58,    87,    48,   134,
-     135,    59,   162,   112,    50,    24,   125,   163,   125,   -28,
-      90,   144,   -28,   -28,   -28,   -28,   -28,   -28,   -28,   -28,
-     -28,    91,    54,   -28,   -28,    92,   -28,    93,    94,    95,
-      96,    97,    98,    52,    99,    55,    90,   161,    62,   100,
-     -49,   -49,    63,   -49,   -49,   -49,   -49,    91,    64,   -49,
-     -49,    92,   107,   108,   109,   110,   154,    73,   141,   115,
-      99,    75,   126,    76,   126,   111,   133,    56,    57,    83,
-      84,   169,   140,   151,   -30,    90,    77,   -30,   -30,   -30,
-     -30,   -30,   -30,   -30,   -30,   -30,    91,    78,   -30,   -30,
-      92,   -30,    93,    94,    95,    96,    97,    98,   120,    99,
-     128,    79,    -2,     4,   100,     5,     6,     7,     8,     9,
-      10,    11,    12,    13,    83,    84,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     7,     8,    23,    10,    11,
-      12,    13,    24,    80,    14,    15,    88,   -81,    90,   179,
-     -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,    89,
-      24,   -81,   -81,    92,   -81,   -81,   -81,   -81,   -81,   -81,
-     116,   119,    99,   127,   122,    90,   130,   124,   -72,   -72,
-     -72,   -72,   -72,   -72,   -72,   -72,   132,   138,   -72,   -72,
-      92,   155,   158,   159,   160,   118,   123,   139,   131,    99,
-     165,   145,   167,   148,   124,    73,    83,    84,    83,    84,
-     173,   168,    83,    84,   149,   150,   153,   155,    84,   157,
-     164,   174,   166,   170,   171,   172,   176,   177,   178,    66,
-     114,   152,    85,     0,     0,     0,     0,     0,     0,    72
+      10,    88,    89,    54,   146,   147,   119,     1,   122,   164,
+      93,   141,    56,   142,    58,   156,    94,    62,     1,    90,
+      91,   131,    65,    66,   144,   145,    67,    90,    91,   132,
+     127,    68,   136,   -31,    97,     2,   154,   -31,   -31,   -31,
+     -31,   -31,   -31,   -31,   -31,    98,    52,   -31,   -31,    99,
+     -31,   100,   101,   102,   103,   104,   -31,   105,   129,   106,
+     138,   173,    92,   141,   107,   142,   174,   172,     8,     9,
+     143,   -33,    97,    90,    91,   -33,   -33,   -33,   -33,   -33,
+     -33,   -33,   -33,    98,   166,   -33,   -33,    99,   -33,   100,
+     101,   102,   103,   104,   -33,   105,    11,   106,   179,   151,
+     123,   126,   107,   135,   125,   130,     2,   139,     2,    90,
+      91,    -5,    12,    55,   161,    13,    14,    15,    16,    17,
+      18,    19,    20,    65,    66,    21,    22,    23,    24,    25,
+      26,    27,    28,    29,    30,    57,    59,    31,    61,    -4,
+      12,    63,    32,    13,    14,    15,    16,    17,    18,    19,
+      20,    64,    71,    21,    22,    23,    24,    25,    26,    27,
+      28,    29,    30,    72,    73,    31,   180,    90,    91,    52,
+      32,   -85,    97,    82,    83,   -85,   -85,   -85,   -85,   -85,
+     -85,   -85,   -85,    84,   190,   -85,   -85,    99,   -85,   -85,
+     -85,   -85,   -85,   -85,   -85,    85,    97,   106,    86,    87,
+     -52,   -52,   140,   -52,   -52,   -52,   -52,    98,    95,   -52,
+     -52,    99,   114,   115,   116,   117,    96,   148,   149,   150,
+     158,   106,   155,   159,    97,   163,   118,   -76,   -76,   -76,
+     -76,   -76,   -76,   -76,   -76,   160,   164,   -76,   -76,    99,
+      13,    14,    15,    16,    17,    18,    19,    20,    91,   106,
+      21,    22,    14,    15,   140,    17,    18,    19,    20,   168,
+     175,    21,    22,   177,   181,   182,   183,    32,   187,   167,
+     188,   169,   170,   171,   185,   189,    53,    51,    32,   176,
+      75,   178,   121,     0,   133,   162,     0,     0,     0,     0,
+     184
 };
 
 static const yytype_int16 yycheck[] =
 {
-       5,     6,     0,     8,    58,    59,    11,    86,    87,     4,
-       5,     6,     7,     8,     9,    10,    11,    30,    97,    14,
-      15,    27,    25,    26,    25,    26,    29,    33,    30,    83,
-      84,    34,    25,    67,    25,    30,    70,    30,    72,     0,
-       1,    95,     3,     4,     5,     6,     7,     8,     9,    10,
-      11,    12,    25,    14,    15,    16,    17,    18,    19,    20,
-      21,    22,    23,    30,    25,    25,     1,   146,    30,    30,
-       5,     6,     1,     8,     9,    10,    11,    12,     1,    14,
-      15,    16,    17,    18,    19,    20,   140,    30,    93,    67,
-      25,    30,    70,    30,    72,    30,    28,    25,    26,    31,
-      32,   155,    24,   108,     0,     1,    30,     3,     4,     5,
-       6,     7,     8,     9,    10,    11,    12,    30,    14,    15,
-      16,    17,    18,    19,    20,    21,    22,    23,    69,    25,
-      71,    30,     0,     1,    30,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    31,    32,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     5,     6,    25,     8,     9,
-      10,    11,    30,    30,    14,    15,    30,     0,     1,   174,
-       3,     4,     5,     6,     7,     8,     9,    10,    11,    30,
-      30,    14,    15,    16,    17,    18,    19,    20,    21,    22,
-      68,    69,    25,    71,    69,     1,    71,    30,     4,     5,
-       6,     7,     8,     9,    10,    11,    30,    30,    14,    15,
-      16,    14,   143,   144,   145,    68,    69,    30,    71,    25,
-     151,    25,   153,     1,    30,    30,    31,    32,    31,    32,
-     161,    30,    31,    32,    13,    30,    25,    14,    32,    30,
-      30,    33,    30,    30,    30,    30,    30,    30,    30,    29,
-      67,   109,    60,    -1,    -1,    -1,    -1,    -1,    -1,    40
+       1,    67,    68,    10,    93,    94,    76,     3,    76,    14,
+      28,    81,    13,    81,    15,   104,    34,    18,     3,    32,
+      33,    23,    26,    27,    90,    91,    30,    32,    33,    31,
+      78,    35,    80,     0,     1,    31,   102,     4,     5,     6,
+       7,     8,     9,    10,    11,    12,    31,    14,    15,    16,
+      17,    18,    19,    20,    21,    22,    23,    24,    78,    26,
+      80,    26,    69,   133,    31,   133,    31,   156,    26,    27,
+      29,     0,     1,    32,    33,     4,     5,     6,     7,     8,
+       9,    10,    11,    12,   150,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    24,     0,    26,   164,   100,
+      77,    78,    31,    80,    77,    78,    31,    80,    31,    32,
+      33,     0,     1,    31,   115,     4,     5,     6,     7,     8,
+       9,    10,    11,    26,    27,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,    26,    26,    31,     0,
+       1,    26,    31,     4,     5,     6,     7,     8,     9,    10,
+      11,    26,    31,    14,    15,    16,    17,    18,    19,    20,
+      21,    22,    23,     1,     1,    26,    31,    32,    33,    31,
+      31,     0,     1,    31,    31,     4,     5,     6,     7,     8,
+       9,    10,    11,    31,   185,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,     1,    26,    31,    31,
+       5,     6,    31,     8,     9,    10,    11,    12,    31,    14,
+      15,    16,    17,    18,    19,    20,    31,    31,    31,    25,
+       1,    26,    26,    13,     1,    26,    31,     4,     5,     6,
+       7,     8,     9,    10,    11,    31,    14,    14,    15,    16,
+       4,     5,     6,     7,     8,     9,    10,    11,    33,    26,
+      14,    15,     5,     6,    31,     8,     9,    10,    11,    31,
+      31,    14,    15,    31,    31,    31,    31,    31,    31,   151,
+      31,   153,   154,   155,    34,    31,     7,     6,    31,   161,
+      37,   163,    76,    -1,    79,   116,    -1,    -1,    -1,    -1,
+     172
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,    36,    37,     0,     1,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    14,    15,    16,    17,    18,    19,
-      20,    21,    22,    25,    30,    38,    39,    41,    42,    43,
-      44,    50,    51,    53,    57,    59,    61,    62,    64,    66,
-      67,    68,    75,    30,    25,    26,    74,    74,    30,    74,
-      25,    80,    30,    74,    25,    25,    25,    26,    29,    34,
-      78,    79,    30,     1,     1,    45,    45,    54,    56,    60,
-      71,    65,    71,    30,    76,    30,    30,    30,    30,    30,
-      30,    78,    78,    31,    32,    76,    27,    33,    30,    30,
-       1,    12,    16,    18,    19,    20,    21,    22,    23,    25,
-      30,    40,    46,    47,    69,    70,    72,    17,    18,    19,
-      20,    30,    40,    55,    70,    72,    39,    52,    75,    39,
-      53,    58,    64,    75,    30,    40,    72,    39,    53,    63,
-      64,    75,    30,    28,    78,    78,    79,    79,    30,    30,
-      24,    74,    73,    74,    78,    25,    79,    48,     1,    13,
-      30,    74,    73,    25,    78,    14,    77,    30,    77,    77,
-      77,    79,    25,    30,    30,    77,    30,    77,    30,    78,
-      30,    30,    30,    77,    33,    49,    30,    30,    30,    74
+       0,     3,    31,    37,    38,    39,    63,    81,    26,    27,
+      79,     0,     1,     4,     5,     6,     7,     8,     9,    10,
+      11,    14,    15,    16,    17,    18,    19,    20,    21,    22,
+      23,    26,    31,    40,    41,    43,    44,    45,    46,    52,
+      53,    55,    59,    61,    64,    65,    67,    69,    70,    71,
+      80,    39,    31,    38,    81,    31,    79,    31,    79,    26,
+      85,    31,    79,    26,    26,    26,    27,    30,    35,    83,
+      84,    31,     1,     1,    47,    47,    56,    58,    62,    76,
+      68,    74,    31,    31,    31,    31,    31,    31,    83,    83,
+      32,    33,    81,    28,    34,    31,    31,     1,    12,    16,
+      18,    19,    20,    21,    22,    24,    26,    31,    42,    48,
+      49,    72,    73,    75,    17,    18,    19,    20,    31,    42,
+      57,    73,    75,    41,    54,    80,    41,    55,    60,    67,
+      80,    23,    31,    74,    77,    41,    55,    66,    67,    80,
+      31,    42,    75,    29,    83,    83,    84,    84,    31,    31,
+      25,    79,    78,    79,    83,    26,    84,    50,     1,    13,
+      31,    79,    78,    26,    14,    82,    83,    82,    31,    82,
+      82,    82,    84,    26,    31,    31,    82,    31,    82,    83,
+      31,    31,    31,    31,    82,    34,    51,    31,    31,    31,
+      79
 };
 
 #define yyerrok         (yyerrstatus = 0)
@@ -1284,7 +1302,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 
   switch (yytype)
     {
-      case 51: /* "choice_entry" */
+      case 53: /* "choice_entry" */
 
         {
         fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1294,7 +1312,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
         break;
-      case 57: /* "if_entry" */
+      case 59: /* "if_entry" */
 
         {
         fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1304,7 +1322,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
         break;
-      case 62: /* "menu_entry" */
+      case 65: /* "menu_entry" */
 
         {
         fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1614,39 +1632,39 @@ yyreduce:
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
-        case 8:
+        case 10:
 
     { zconf_error("unexpected end statement"); ;}
     break;
 
-  case 9:
+  case 11:
 
     { zconf_error("unknown statement \"%s\"", (yyvsp[(2) - (4)].string)); ;}
     break;
 
-  case 10:
+  case 12:
 
     {
         zconf_error("unexpected option \"%s\"", kconf_id_strings + (yyvsp[(2) - (4)].id)->name);
 ;}
     break;
 
-  case 11:
+  case 13:
 
     { zconf_error("invalid statement"); ;}
     break;
 
-  case 25:
+  case 28:
 
     { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;}
     break;
 
-  case 26:
+  case 29:
 
     { zconf_error("invalid option"); ;}
     break;
 
-  case 27:
+  case 30:
 
     {
         struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1656,7 +1674,7 @@ yyreduce:
 ;}
     break;
 
-  case 28:
+  case 31:
 
     {
         menu_end_entry();
@@ -1664,7 +1682,7 @@ yyreduce:
 ;}
     break;
 
-  case 29:
+  case 32:
 
     {
         struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1674,7 +1692,7 @@ yyreduce:
 ;}
     break;
 
-  case 30:
+  case 33:
 
     {
         if (current_entry->prompt)
@@ -1686,7 +1704,7 @@ yyreduce:
 ;}
     break;
 
-  case 38:
+  case 41:
 
     {
         menu_set_type((yyvsp[(1) - (3)].id)->stype);
@@ -1696,7 +1714,7 @@ yyreduce:
 ;}
     break;
 
-  case 39:
+  case 42:
 
     {
         menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1704,7 +1722,7 @@ yyreduce:
 ;}
     break;
 
-  case 40:
+  case 43:
 
     {
         menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr));
@@ -1716,7 +1734,7 @@ yyreduce:
 ;}
     break;
 
-  case 41:
+  case 44:
 
     {
         menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
@@ -1724,7 +1742,7 @@ yyreduce:
 ;}
     break;
 
-  case 42:
+  case 45:
 
     {
         menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr));
@@ -1732,7 +1750,7 @@ yyreduce:
 ;}
     break;
 
-  case 45:
+  case 48:
 
     {
         struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string)));
@@ -1744,17 +1762,17 @@ yyreduce:
 ;}
     break;
 
-  case 46:
+  case 49:
 
     { (yyval.string) = NULL; ;}
     break;
 
-  case 47:
+  case 50:
 
     { (yyval.string) = (yyvsp[(2) - (2)].string); ;}
     break;
 
-  case 48:
+  case 51:
 
     {
         struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE);
@@ -1765,14 +1783,14 @@ yyreduce:
 ;}
     break;
 
-  case 49:
+  case 52:
 
     {
         (yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 50:
+  case 53:
 
     {
         if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) {
@@ -1782,7 +1800,7 @@ yyreduce:
 ;}
     break;
 
-  case 58:
+  case 61:
 
     {
         menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1790,7 +1808,7 @@ yyreduce:
 ;}
     break;
 
-  case 59:
+  case 62:
 
     {
         if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) {
@@ -1803,7 +1821,7 @@ yyreduce:
 ;}
     break;
 
-  case 60:
+  case 63:
 
     {
         current_entry->sym->flags |= SYMBOL_OPTIONAL;
@@ -1811,7 +1829,7 @@ yyreduce:
 ;}
     break;
 
-  case 61:
+  case 64:
 
     {
         if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) {
@@ -1823,7 +1841,7 @@ yyreduce:
 ;}
     break;
 
-  case 64:
+  case 67:
 
     {
         printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
@@ -1833,7 +1851,7 @@ yyreduce:
 ;}
     break;
 
-  case 65:
+  case 68:
 
     {
         if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) {
@@ -1843,7 +1861,14 @@ yyreduce:
 ;}
     break;
 
-  case 71:
+  case 74:
+
+    {
+        menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
+;}
+    break;
+
+  case 75:
 
     {
         menu_add_entry(NULL);
@@ -1852,14 +1877,14 @@ yyreduce:
 ;}
     break;
 
-  case 72:
+  case 76:
 
     {
         (yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 73:
+  case 77:
 
     {
         if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) {
@@ -1869,7 +1894,7 @@ yyreduce:
 ;}
     break;
 
-  case 79:
+  case 83:
 
     {
         printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
@@ -1877,7 +1902,7 @@ yyreduce:
 ;}
     break;
 
-  case 80:
+  case 84:
 
     {
         menu_add_entry(NULL);
@@ -1886,14 +1911,14 @@ yyreduce:
 ;}
     break;
 
-  case 81:
+  case 85:
 
     {
         menu_end_entry();
 ;}
     break;
 
-  case 82:
+  case 86:
 
     {
         printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
@@ -1901,14 +1926,14 @@ yyreduce:
 ;}
     break;
 
-  case 83:
+  case 87:
 
     {
         current_entry->help = (yyvsp[(2) - (2)].string);
 ;}
     break;
 
-  case 88:
+  case 92:
 
     {
         menu_add_dep((yyvsp[(3) - (4)].expr));
@@ -1916,84 +1941,91 @@ yyreduce:
 ;}
     break;
 
-  case 90:
+  case 96:
+
+    {
+        menu_add_visibility((yyvsp[(2) - (2)].expr));
+;}
+    break;
+
+  case 98:
 
     {
         menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr));
 ;}
     break;
 
-  case 93:
+  case 101:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 94:
+  case 102:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 95:
+  case 103:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 98:
+  case 106:
 
     { (yyval.expr) = NULL; ;}
     break;
 
-  case 99:
+  case 107:
 
     { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;}
     break;
 
-  case 100:
+  case 108:
 
     { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;}
     break;
 
-  case 101:
+  case 109:
 
     { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 102:
+  case 110:
 
     { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 103:
+  case 111:
 
     { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;}
     break;
 
-  case 104:
+  case 112:
 
     { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;}
     break;
 
-  case 105:
+  case 113:
 
     { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 106:
+  case 114:
 
     { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 107:
+  case 115:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 108:
+  case 116:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 109:
+  case 117:
 
     { (yyval.string) = NULL; ;}
     break;
@@ -2239,6 +2271,10 @@ void conf_parse(const char *name)
                 prop = prop_alloc(P_DEFAULT, modules_sym);
                 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
         }
+
+        rootmenu.prompt->text = _(rootmenu.prompt->text);
+        rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
+
         menu_finalize(&rootmenu);
         for_all_symbols(i, sym) {
                 if (sym_check_deps(sym))
@@ -2259,6 +2295,7 @@ static const char *zconf_tokenname(int token)
         case T_IF:              return "if";
         case T_ENDIF:           return "endif";
         case T_DEPENDS:         return "depends";
+        case T_VISIBLE:         return "visible";
         }
         return "<token>";
 }
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 23dfd3baa7a..49fb4ab664c 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -36,7 +36,7 @@ static struct menu *current_menu, *current_entry;
 #define YYERROR_VERBOSE
 #endif
 %}
-%expect 26
+%expect 30
 
 %union
 {
@@ -68,6 +68,7 @@ static struct menu *current_menu, *current_entry;
 %token <id>T_DEFAULT
 %token <id>T_SELECT
 %token <id>T_RANGE
+%token <id>T_VISIBLE
 %token <id>T_OPTION
 %token <id>T_ON
 %token <string> T_WORD
@@ -104,14 +105,15 @@ static struct menu *current_menu, *current_entry;
 %}
 
 %%
-input: stmt_list;
+input: nl start | start;
+
+start: mainmenu_stmt stmt_list | stmt_list;
 
 stmt_list:
           /* empty */
         | stmt_list common_stmt
         | stmt_list choice_stmt
         | stmt_list menu_stmt
-        | stmt_list T_MAINMENU prompt nl
         | stmt_list end                 { zconf_error("unexpected end statement"); }
         | stmt_list T_WORD error T_EOL  { zconf_error("unknown statement \"%s\"", $2); }
         | stmt_list option_name error T_EOL
@@ -122,7 +124,7 @@ stmt_list:
 ;
 
 option_name:
-        T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
+        T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
 ;
 
 common_stmt:
@@ -342,6 +344,13 @@ if_block:
         | if_block choice_stmt
 ;
 
+/* mainmenu entry */
+
+mainmenu_stmt: T_MAINMENU prompt nl
+{
+        menu_add_prompt(P_MENU, $2, NULL);
+};
+
 /* menu entry */
 
 menu: T_MENU prompt T_EOL
@@ -351,7 +360,7 @@ menu: T_MENU prompt T_EOL
         printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
 };
 
-menu_entry: menu depends_list
+menu_entry: menu visibility_list depends_list
 {
         $$ = menu_add_menu();
 };
@@ -422,6 +431,19 @@ depends: T_DEPENDS T_ON expr T_EOL
         printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
 };
 
+/* visibility option */
+
+visibility_list:
+          /* empty */
+        | visibility_list visible
+        | visibility_list T_EOL
+;
+
+visible: T_VISIBLE if_expr
+{
+        menu_add_visibility($2);
+};
+
 /* prompt statement */
 
 prompt_stmt_opt:
@@ -494,6 +516,10 @@ void conf_parse(const char *name)
                 prop = prop_alloc(P_DEFAULT, modules_sym);
                 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
         }
+
+        rootmenu.prompt->text = _(rootmenu.prompt->text);
+        rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
+
         menu_finalize(&rootmenu);
         for_all_symbols(i, sym) {
                 if (sym_check_deps(sym))
@@ -514,6 +540,7 @@ static const char *zconf_tokenname(int token)
         case T_IF:              return "if";
         case T_ENDIF:           return "endif";
         case T_DEPENDS:         return "depends";
+        case T_VISIBLE:         return "visible";
         }
         return "<token>";
 }
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 241310e59cd..9f85012acf0 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -5,7 +5,7 @@ use strict;
 ## Copyright (c) 1998 Michael Zucchi, All Rights Reserved        ##
 ## Copyright (C) 2000, 1  Tim Waugh <twaugh@redhat.com>          ##
 ## Copyright (C) 2001  Simon Huggins                             ##
-## Copyright (C) 2005-2009  Randy Dunlap                         ##
+## Copyright (C) 2005-2010  Randy Dunlap                         ##
 ##                                                               ##
 ## #define enhancements by Armin Kuster <akuster@mvista.com>     ##
 ## Copyright (c) 2000 MontaVista Software, Inc.                  ##
@@ -13,8 +13,6 @@ use strict;
 ## This software falls under the GNU General Public License.     ##
 ## Please read the COPYING file for more information             ##
 
-# w.o. 03-11-2000: added the '-filelist' option.
-
 # 18/01/2001 -  Cleanups
 #               Functions prototyped as foo(void) same as foo()
 #               Stop eval'ing where we don't need to.
@@ -46,12 +44,13 @@ use strict;
 # Note: This only supports 'c'.
 
 # usage:
-# kernel-doc [ -docbook | -html | -text | -man ] [ -no-doc-sections ]
+# kernel-doc [ -docbook | -html | -text | -man | -list ] [ -no-doc-sections ]
 #           [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile
 # or
 #           [ -nofunction funcname [ -function funcname ...] ] c file(s)s > outputfile
 #
 #  Set output format using one of -docbook -html -text or -man.  Default is man.
+#  The -list format is for internal use by docproc.
 #
 #  -no-doc-sections
 #       Do not output DOC: sections
@@ -156,6 +155,8 @@ use strict;
 # '@parameter' - name of a parameter
 # '%CONST' - name of a constant.
 
+## init lots of data
+
 my $errors = 0;
 my $warnings = 0;
 my $anon_struct_union = 0;
@@ -212,21 +213,21 @@ my %highlights_text = ( $type_constant, "\$1",
                         $type_param, "\$1" );
 my $blankline_text = "";
 
-
-sub usage {
-    print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man ] [ -no-doc-sections ]\n";
-    print "         [ -function funcname [ -function funcname ...] ]\n";
-    print "         [ -nofunction funcname [ -nofunction funcname ...] ]\n";
-    print "         c source file(s) > outputfile\n";
-    print "         -v : verbose output, more warnings & other info listed\n";
-    exit 1;
-}
+# list mode
+my %highlights_list = ( $type_constant, "\$1",
+                        $type_func, "\$1",
+                        $type_struct, "\$1",
+                        $type_param, "\$1" );
+my $blankline_list = "";
 
 # read arguments
 if ($#ARGV == -1) {
     usage();
 }
 
+my $kernelversion;
+my $dohighlight = "";
+
 my $verbose = 0;
 my $output_mode = "man";
 my $no_doc_sections = 0;
@@ -239,13 +240,13 @@ my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
                 'November', 'December')[(localtime)[4]] .
   " " . ((localtime)[5]+1900);
 
-# Essentially these are globals
+# Essentially these are globals.
 # They probably want to be tidied up, made more localised or something.
 # CAVEAT EMPTOR!  Some of the others I localised may not want to be, which
 # could cause "use of undefined value" or other bugs.
 my ($function, %function_table, %parametertypes, $declaration_purpose);
 my ($type, $declaration_name, $return_type);
-my ($newsection, $newcontents, $prototype, $filelist, $brcount, %source_map);
+my ($newsection, $newcontents, $prototype, $brcount, %source_map);
 
 if (defined($ENV{'KBUILD_VERBOSE'})) {
         $verbose = "$ENV{'KBUILD_VERBOSE'}";
@@ -320,6 +321,10 @@ while ($ARGV[0] =~ m/^-(.*)/) {
         $output_mode = "xml";
         %highlights = %highlights_xml;
         $blankline = $blankline_xml;
+    } elsif ($cmd eq "-list") {
+        $output_mode = "list";
+        %highlights = %highlights_list;
+        $blankline = $blankline_list;
     } elsif ($cmd eq "-gnome") {
         $output_mode = "gnome";
         %highlights = %highlights_gnome;
@@ -338,13 +343,23 @@ while ($ARGV[0] =~ m/^-(.*)/) {
         $verbose = 1;
     } elsif (($cmd eq "-h") || ($cmd eq "--help")) {
         usage();
-    } elsif ($cmd eq '-filelist') {
-            $filelist = shift @ARGV;
     } elsif ($cmd eq '-no-doc-sections') {
             $no_doc_sections = 1;
     }
 }
 
+# continue execution near EOF;
+
+sub usage {
+    print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n";
+    print "         [ -no-doc-sections ]\n";
+    print "         [ -function funcname [ -function funcname ...] ]\n";
+    print "         [ -nofunction funcname [ -nofunction funcname ...] ]\n";
+    print "         c source file(s) > outputfile\n";
+    print "         -v : verbose output, more warnings & other info listed\n";
+    exit 1;
+}
+
 # get kernel version from env
 sub get_kernel_version() {
     my $version = 'unknown kernel version';
@@ -354,15 +369,6 @@ sub get_kernel_version() {
     }
     return $version;
 }
-my $kernelversion = get_kernel_version();
-
-# generate a sequence of code that will splice in highlighting information
-# using the s// operator.
-my $dohighlight = "";
-foreach my $pattern (keys %highlights) {
-#   print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
-    $dohighlight .=  "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
-}
 
 ##
 # dumps section contents to arrays/hashes intended for that purpose.
@@ -445,7 +451,7 @@ sub output_highlight {
     if ($output_mode eq "html" || $output_mode eq "xml") {
         $contents = local_unescape($contents);
         # convert data read & converted thru xml_escape() into &xyz; format:
-        $contents =~ s/\\\\\\/&/g;
+        $contents =~ s/\\\\\\/\&/g;
     }
 #   print STDERR "contents b4:$contents\n";
     eval $dohighlight;
@@ -762,7 +768,11 @@ sub output_struct_xml(%) {
     print $args{'type'} . " " . $args{'struct'} . " {\n";
     foreach $parameter (@{$args{'parameterlist'}}) {
         if ($parameter =~ /^#/) {
-            print "$parameter\n";
+            my $prm = $parameter;
+            # convert data read & converted thru xml_escape() into &xyz; format:
+            # This allows us to have #define macros interspersed in a struct.
+            $prm =~ s/\\\\\\/\&/g;
+            print "$prm\n";
             next;
         }
 
@@ -1365,6 +1375,42 @@ sub output_blockhead_text(%) {
     }
 }
 
+## list mode output functions
+
+sub output_function_list(%) {
+    my %args = %{$_[0]};
+
+    print $args{'function'} . "\n";
+}
+
+# output enum in list
+sub output_enum_list(%) {
+    my %args = %{$_[0]};
+    print $args{'enum'} . "\n";
+}
+
+# output typedef in list
+sub output_typedef_list(%) {
+    my %args = %{$_[0]};
+    print $args{'typedef'} . "\n";
+}
+
+# output struct as list
+sub output_struct_list(%) {
+    my %args = %{$_[0]};
+
+    print $args{'struct'} . "\n";
+}
+
+sub output_blockhead_list(%) {
+    my %args = %{$_[0]};
+    my ($parameter, $section);
+
+    foreach $section (@{$args{'sectionlist'}}) {
+        print "DOC: $section\n";
+    }
+}
+
 ##
 # generic output function for all types (function, struct/union, typedef, enum);
 # calls the generated, variable output_ function name based on
@@ -1428,6 +1474,8 @@ sub dump_struct($$) {
         $nested =~ s/\/\*.*?\*\///gos;
         # strip kmemcheck_bitfield_{begin,end}.*;
         $members =~ s/kmemcheck_bitfield_.*?;//gos;
+        # strip attributes
+        $members =~ s/__aligned\s*\(\d+\)//gos;
 
         create_parameterlist($members, ';', $file);
         check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);
@@ -1456,6 +1504,8 @@ sub dump_enum($$) {
     my $file = shift;
 
     $x =~ s@/\*.*?\*/@@gos;     # strip comments.
+    $x =~ s/^#\s*define\s+.*$//; # strip #define macros inside enums
+
     if ($x =~ /enum\s+(\w+)\s*{(.*)}/) {
         $declaration_name = $1;
         my $members = $2;
@@ -1653,6 +1703,8 @@ sub push_parameter($$$) {
         }
         }
 
+        $param = xml_escape($param);
+
         # strip spaces from $param so that it is one continous string
         # on @parameterlist;
         # this fixes a problem where check_sections() cannot find
@@ -1679,7 +1731,7 @@ sub check_sections($$$$$$) {
                 foreach $px (0 .. $#prms) {
                         $prm_clean = $prms[$px];
                         $prm_clean =~ s/\[.*\]//;
-                        $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//;
+                        $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i;
                         # ignore array size in a parameter string;
                         # however, the original param string may contain
                         # spaces, e.g.:  addr[6 + 2]
@@ -1732,6 +1784,7 @@ sub dump_function($$) {
     $prototype =~ s/^noinline +//;
     $prototype =~ s/__devinit +//;
     $prototype =~ s/__init +//;
+    $prototype =~ s/__init_or_module +//;
     $prototype =~ s/^#\s*define\s+//; #ak added
     $prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//;
 
@@ -1796,42 +1849,6 @@ sub dump_function($$) {
                        });
 }
 
-sub process_file($);
-
-# Read the file that maps relative names to absolute names for
-# separate source and object directories and for shadow trees.
-if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
-        my ($relname, $absname);
-        while(<SOURCE_MAP>) {
-                chop();
-                ($relname, $absname) = (split())[0..1];
-                $relname =~ s:^/+::;
-                $source_map{$relname} = $absname;
-        }
-        close(SOURCE_MAP);
-}
-
-if ($filelist) {
-        open(FLIST,"<$filelist") or die "Can't open file list $filelist";
-        while(<FLIST>) {
-                chop;
-                process_file($_);
-        }
-}
-
-foreach (@ARGV) {
-    chomp;
-    process_file($_);
-}
-if ($verbose && $errors) {
-  print STDERR "$errors errors\n";
-}
-if ($verbose && $warnings) {
-  print STDERR "$warnings warnings\n";
-}
-
-exit($errors);
-
 sub reset_state {
     $function = "";
     %constants = ();
@@ -2023,6 +2040,8 @@ sub process_file($) {
         return;
     }
 
+    $. = 1;
+
     $section_counter = 0;
     while (<IN>) {
         if ($state == 0) {
@@ -2113,7 +2132,7 @@ sub process_file($) {
                 $section = $newsection;
             } elsif (/$doc_end/) {
 
-                if ($contents ne "") {
+                if (($contents ne "") && ($contents ne "\n")) {
                     dump_section($file, $section, xml_escape($contents));
                     $section = $section_default;
                     $contents = "";
@@ -2236,3 +2255,39 @@ sub process_file($) {
         }
     }
 }
+
+
+$kernelversion = get_kernel_version();
+
+# generate a sequence of code that will splice in highlighting information
+# using the s// operator.
+foreach my $pattern (keys %highlights) {
+#   print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
+    $dohighlight .=  "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
+}
+
+# Read the file that maps relative names to absolute names for
+# separate source and object directories and for shadow trees.
+if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
+        my ($relname, $absname);
+        while(<SOURCE_MAP>) {
+                chop();
+                ($relname, $absname) = (split())[0..1];
+                $relname =~ s:^/+::;
+                $source_map{$relname} = $absname;
+        }
+        close(SOURCE_MAP);
+}
+
+foreach (@ARGV) {
+    chomp;
+    process_file($_);
+}
+if ($verbose && $errors) {
+  print STDERR "$errors errors\n";
+}
+if ($verbose && $warnings) {
+  print STDERR "$warnings warnings\n";
+}
+
+exit($errors);
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index 90e1d9aa35b..827896f5650 100644
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -168,7 +168,7 @@ while (<STDIN>) {
                 $function = $1;
                 $func_offset = $2;
         }
-        if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+        if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+0x([0-9a-f]+)\/0x[a-f0-9]/) {
                 $function = $1;
                 $func_offset = $2;
         }
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 67d59c7a18d..5325423ceab 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -44,7 +44,9 @@ all:
 
 Makefile:;
 
-\$(all) %/: all
+\$(all): all
         @:
 
+%/: all
+        @:
 EOF
diff --git a/scripts/mkuboot.sh b/scripts/mkuboot.sh
index 2e3d3cd916b..446739c7843 100755
--- a/scripts/mkuboot.sh
+++ b/scripts/mkuboot.sh
@@ -11,7 +11,7 @@ if [ -z "${MKIMAGE}" ]; then
         if [ -z "${MKIMAGE}" ]; then
                 # Doesn't exist
                 echo '"mkimage" command not found - U-Boot images will not be built' >&2
-                exit 0;
+                exit 1;
         fi
 fi
 
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 220213e603d..88f3f07205f 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -796,6 +796,51 @@ static int do_platform_entry(const char *filename,
         return 1;
 }
 
+static int do_mdio_entry(const char *filename,
+                         struct mdio_device_id *id, char *alias)
+{
+        int i;
+
+        alias += sprintf(alias, MDIO_MODULE_PREFIX);
+
+        for (i = 0; i < 32; i++) {
+                if (!((id->phy_id_mask >> (31-i)) & 1))
+                        *(alias++) = '?';
+                else if ((id->phy_id >> (31-i)) & 1)
+                        *(alias++) = '1';
+                else
+                        *(alias++) = '0';
+        }
+
+        /* Terminate the string */
+        *alias = 0;
+
+        return 1;
+}
+
+/* Looks like: zorro:iN. */
+static int do_zorro_entry(const char *filename, struct zorro_device_id *id,
+                          char *alias)
+{
+        id->id = TO_NATIVE(id->id);
+        strcpy(alias, "zorro:");
+        ADD(alias, "i", id->id != ZORRO_WILDCARD, id->id);
+        return 1;
+}
+
+/* looks like: "pnp:dD" */
+static int do_isapnp_entry(const char *filename,
+                           struct isapnp_device_id *id, char *alias)
+{
+        sprintf(alias, "pnp:d%c%c%c%x%x%x%x*",
+                'A' + ((id->vendor >> 2) & 0x3f) - 1,
+                'A' + (((id->vendor & 3) << 3) | ((id->vendor >> 13) & 7)) - 1,
+                'A' + ((id->vendor >> 8) & 0x1f) - 1,
+                (id->function >> 4) & 0x0f, id->function & 0x0f,
+                (id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f);
+        return 1;
+}
+
 /* Ignore any prefix, eg. some architectures prepend _ */
 static inline int sym_is(const char *symbol, const char *name)
 {
@@ -839,16 +884,16 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
         char *zeros = NULL;
 
         /* We're looking for a section relative symbol */
-        if (!sym->st_shndx || sym->st_shndx >= info->hdr->e_shnum)
+        if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections)
                 return;
 
         /* Handle all-NULL symbols allocated into .bss */
-        if (info->sechdrs[sym->st_shndx].sh_type & SHT_NOBITS) {
+        if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) {
                 zeros = calloc(1, sym->st_size);
                 symval = zeros;
         } else {
                 symval = (void *)info->hdr
-                        + info->sechdrs[sym->st_shndx].sh_offset
+                        + info->sechdrs[get_secindex(info, sym)].sh_offset
                         + sym->st_value;
         }
 
@@ -943,6 +988,18 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
                 do_table(symval, sym->st_size,
                          sizeof(struct platform_device_id), "platform",
                          do_platform_entry, mod);
+        else if (sym_is(symname, "__mod_mdio_device_table"))
+                do_table(symval, sym->st_size,
+                         sizeof(struct mdio_device_id), "mdio",
+                         do_mdio_entry, mod);
+        else if (sym_is(symname, "__mod_zorro_device_table"))
+                do_table(symval, sym->st_size,
+                         sizeof(struct zorro_device_id), "zorro",
+                         do_zorro_entry, mod);
+        else if (sym_is(symname, "__mod_isapnp_device_table"))
+                do_table(symval, sym->st_size,
+                        sizeof(struct isapnp_device_id), "isa",
+                        do_isapnp_entry, mod);
         free(zeros);
 }
 
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 3318692e4e7..e8fba959fff 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -14,6 +14,7 @@
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <ctype.h>
+#include <string.h>
 #include "modpost.h"
 #include "../../include/generated/autoconf.h"
 #include "../../include/linux/license.h"
@@ -253,7 +254,7 @@ static enum export export_no(const char *s)
         return export_unknown;
 }
 
-static enum export export_from_sec(struct elf_info *elf, Elf_Section sec)
+static enum export export_from_sec(struct elf_info *elf, unsigned int sec)
 {
         if (sec == elf->export_sec)
                 return export_plain;
@@ -373,6 +374,8 @@ static int parse_elf(struct elf_info *info, const char *filename)
         Elf_Ehdr *hdr;
         Elf_Shdr *sechdrs;
         Elf_Sym  *sym;
+        const char *secstrings;
+        unsigned int symtab_idx = ~0U, symtab_shndx_idx = ~0U;
 
         hdr = grab_file(filename, &info->size);
         if (!hdr) {
@@ -417,8 +420,27 @@ static int parse_elf(struct elf_info *info, const char *filename)
                 return 0;
         }
 
+        if (hdr->e_shnum == 0) {
+                /*
+                 * There are more than 64k sections,
+                 * read count from .sh_size.
+                 * note: it doesn't need shndx2secindex()
+                 */
+                info->num_sections = TO_NATIVE(sechdrs[0].sh_size);
+        }
+        else {
+                info->num_sections = hdr->e_shnum;
+        }
+        if (hdr->e_shstrndx == SHN_XINDEX) {
+                info->secindex_strings =
+                    shndx2secindex(TO_NATIVE(sechdrs[0].sh_link));
+        }
+        else {
+                info->secindex_strings = hdr->e_shstrndx;
+        }
+
         /* Fix endianness in section headers */
-        for (i = 0; i < hdr->e_shnum; i++) {
+        for (i = 0; i < info->num_sections; i++) {
                 sechdrs[i].sh_name      = TO_NATIVE(sechdrs[i].sh_name);
                 sechdrs[i].sh_type      = TO_NATIVE(sechdrs[i].sh_type);
                 sechdrs[i].sh_flags     = TO_NATIVE(sechdrs[i].sh_flags);
@@ -431,9 +453,8 @@ static int parse_elf(struct elf_info *info, const char *filename)
                 sechdrs[i].sh_entsize   = TO_NATIVE(sechdrs[i].sh_entsize);
         }
         /* Find symbol table. */
-        for (i = 1; i < hdr->e_shnum; i++) {
-                const char *secstrings
-                        = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+        secstrings = (void *)hdr + sechdrs[info->secindex_strings].sh_offset;
+        for (i = 1; i < info->num_sections; i++) {
                 const char *secname;
                 int nobits = sechdrs[i].sh_type == SHT_NOBITS;
 
@@ -461,14 +482,26 @@ static int parse_elf(struct elf_info *info, const char *filename)
                 else if (strcmp(secname, "__ksymtab_gpl_future") == 0)
                         info->export_gpl_future_sec = i;
 
-                if (sechdrs[i].sh_type != SHT_SYMTAB)
-                        continue;
+                if (sechdrs[i].sh_type == SHT_SYMTAB) {
+                        unsigned int sh_link_idx;
+                        symtab_idx = i;
+                        info->symtab_start = (void *)hdr +
+                            sechdrs[i].sh_offset;
+                        info->symtab_stop  = (void *)hdr +
+                            sechdrs[i].sh_offset + sechdrs[i].sh_size;
+                        sh_link_idx = shndx2secindex(sechdrs[i].sh_link);
+                        info->strtab       = (void *)hdr +
+                            sechdrs[sh_link_idx].sh_offset;
+                }
 
-                info->symtab_start = (void *)hdr + sechdrs[i].sh_offset;
-                info->symtab_stop  = (void *)hdr + sechdrs[i].sh_offset
-                                                 + sechdrs[i].sh_size;
-                info->strtab       = (void *)hdr +
-                                     sechdrs[sechdrs[i].sh_link].sh_offset;
+                /* 32bit section no. table? ("more than 64k sections") */
+                if (sechdrs[i].sh_type == SHT_SYMTAB_SHNDX) {
+                        symtab_shndx_idx = i;
+                        info->symtab_shndx_start = (void *)hdr +
+                            sechdrs[i].sh_offset;
+                        info->symtab_shndx_stop  = (void *)hdr +
+                            sechdrs[i].sh_offset + sechdrs[i].sh_size;
+                }
         }
         if (!info->symtab_start)
                 fatal("%s has no symtab?\n", filename);
@@ -480,6 +513,21 @@ static int parse_elf(struct elf_info *info, const char *filename)
                 sym->st_value = TO_NATIVE(sym->st_value);
                 sym->st_size  = TO_NATIVE(sym->st_size);
         }
+
+        if (symtab_shndx_idx != ~0U) {
+                Elf32_Word *p;
+                if (symtab_idx !=
+                    shndx2secindex(sechdrs[symtab_shndx_idx].sh_link))
+                        fatal("%s: SYMTAB_SHNDX has bad sh_link: %u!=%u\n",
+                              filename,
+                              shndx2secindex(sechdrs[symtab_shndx_idx].sh_link),
+                              symtab_idx);
+                /* Fix endianness */
+                for (p = info->symtab_shndx_start; p < info->symtab_shndx_stop;
+                     p++)
+                        *p = TO_NATIVE(*p);
+        }
+
         return 1;
 }
 
@@ -503,6 +551,11 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname)
                     strncmp(symname, "_rest32gpr_", sizeof("_rest32gpr_") - 1) == 0 ||
                     strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0)
                         return 1;
+        if (info->hdr->e_machine == EM_PPC64)
+                /* Special register function linked on all modules during final link of .ko */
+                if (strncmp(symname, "_restgpr0_", sizeof("_restgpr0_") - 1) == 0 ||
+                    strncmp(symname, "_savegpr0_", sizeof("_savegpr0_") - 1) == 0)
+                        return 1;
         /* Do not ignore this symbol */
         return 0;
 }
@@ -514,7 +567,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
                                Elf_Sym *sym, const char *symname)
 {
         unsigned int crc;
-        enum export export = export_from_sec(info, sym->st_shndx);
+        enum export export = export_from_sec(info, get_secindex(info, sym));
 
         switch (sym->st_shndx) {
         case SHN_COMMON:
@@ -656,19 +709,19 @@ static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)
                 return "(unknown)";
 }
 
-static const char *sec_name(struct elf_info *elf, int shndx)
+static const char *sec_name(struct elf_info *elf, int secindex)
 {
         Elf_Shdr *sechdrs = elf->sechdrs;
         return (void *)elf->hdr +
-                elf->sechdrs[elf->hdr->e_shstrndx].sh_offset +
-                sechdrs[shndx].sh_name;
+                elf->sechdrs[elf->secindex_strings].sh_offset +
+                sechdrs[secindex].sh_name;
 }
 
 static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
 {
         return (void *)elf->hdr +
-                elf->sechdrs[elf->hdr->e_shstrndx].sh_offset +
-                sechdr->sh_name;
+                elf->sechdrs[elf->secindex_strings].sh_offset +
+                sechdr->sh_name;
 }
 
 /* if sym is empty or point to a string
@@ -737,6 +790,8 @@ static const char *section_white_list[] =
 {
         ".comment*",
         ".debug*",
+        ".zdebug*",             /* Compressed debug sections. */
+        ".GCC-command-line",    /* mn10300 */
         ".mdebug*",        /* alpha, score, mips etc. */
         ".pdr",            /* alpha, score, mips etc. */
         ".stab*",
@@ -981,6 +1036,13 @@ static const struct sectioncheck *section_mismatch(
  *   fromsec = .data*
  *   atsym   =__param*
  *
+ * Pattern 1a:
+ *   module_param_call() ops can refer to __init set function if permissions=0
+ *   The pattern is identified by:
+ *   tosec   = .init.text
+ *   fromsec = .data*
+ *   atsym   = __param_ops_*
+ *
  * Pattern 2:
  *   Many drivers utilise a *driver container with references to
  *   add, remove, probe functions etc.
@@ -1015,6 +1077,12 @@ static int secref_whitelist(const struct sectioncheck *mismatch,
             (strncmp(fromsym, "__param", strlen("__param")) == 0))
                 return 0;
 
+        /* Check for pattern 1a */
+        if (strcmp(tosec, ".init.text") == 0 &&
+            match(fromsec, data_sections) &&
+            (strncmp(fromsym, "__param_ops_", strlen("__param_ops_")) == 0))
+                return 0;
+
         /* Check for pattern 2 */
         if (match(tosec, init_exit_sections) &&
             match(fromsec, data_sections) &&
@@ -1047,11 +1115,14 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
         Elf_Sym *near = NULL;
         Elf64_Sword distance = 20;
         Elf64_Sword d;
+        unsigned int relsym_secindex;
 
         if (relsym->st_name != 0)
                 return relsym;
+
+        relsym_secindex = get_secindex(elf, relsym);
         for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
-                if (sym->st_shndx != relsym->st_shndx)
+                if (get_secindex(elf, sym) != relsym_secindex)
                         continue;
                 if (ELF_ST_TYPE(sym->st_info) == STT_SECTION)
                         continue;
@@ -1113,9 +1184,9 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,
         for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
                 const char *symsec;
 
-                if (sym->st_shndx >= SHN_LORESERVE)
+                if (is_shndx_special(sym->st_shndx))
                         continue;
-                symsec = sec_name(elf, sym->st_shndx);
+                symsec = sec_name(elf, get_secindex(elf, sym));
                 if (strcmp(symsec, sec) != 0)
                         continue;
                 if (!is_valid_name(elf, sym))
@@ -1138,6 +1209,9 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,
  * .cpuinit.data => __cpudata
  * .memexitconst => __memconst
  * etc.
+ *
+ * The memory of returned value has been allocated on a heap. The user of this
+ * method should free it after usage.
 */
 static char *sec2annotation(const char *s)
 {
@@ -1160,9 +1234,9 @@ static char *sec2annotation(const char *s)
                         strcat(p, "data ");
                 else
                         strcat(p, " ");
-                return r; /* we leak her but we do not care */
+                return r;
         } else {
-                return "";
+                return strdup("");
         }
 }
 
@@ -1190,6 +1264,8 @@ static void report_sec_mismatch(const char *modname,
 {
         const char *from, *from_p;
         const char *to, *to_p;
+        char *prl_from;
+        char *prl_to;
 
         switch (from_is_func) {
         case 0: from = "variable"; from_p = "";   break;
@@ -1213,16 +1289,21 @@ static void report_sec_mismatch(const char *modname,
 
         switch (mismatch->mismatch) {
         case TEXT_TO_ANY_INIT:
+                prl_from = sec2annotation(fromsec);
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The function %s%s() references\n"
                 "the %s %s%s%s.\n"
                 "This is often because %s lacks a %s\n"
                 "annotation or the annotation of %s is wrong.\n",
-                sec2annotation(fromsec), fromsym,
-                to, sec2annotation(tosec), tosym, to_p,
-                fromsym, sec2annotation(tosec), tosym);
+                prl_from, fromsym,
+                to, prl_to, tosym, to_p,
+                fromsym, prl_to, tosym);
+                free(prl_from);
+                free(prl_to);
                 break;
         case DATA_TO_ANY_INIT: {
+                prl_to = sec2annotation(tosec);
                 const char *const *s = mismatch->symbol_white_list;
                 fprintf(stderr,
                 "The variable %s references\n"
@@ -1230,20 +1311,24 @@ static void report_sec_mismatch(const char *modname,
                 "If the reference is valid then annotate the\n"
                 "variable with __init* or __refdata (see linux/init.h) "
                 "or name the variable:\n",
-                fromsym, to, sec2annotation(tosec), tosym, to_p);
+                fromsym, to, prl_to, tosym, to_p);
                 while (*s)
                         fprintf(stderr, "%s, ", *s++);
                 fprintf(stderr, "\n");
+                free(prl_to);
                 break;
         }
         case TEXT_TO_ANY_EXIT:
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The function %s() references a %s in an exit section.\n"
                 "Often the %s %s%s has valid usage outside the exit section\n"
                 "and the fix is to remove the %sannotation of %s.\n",
-                fromsym, to, to, tosym, to_p, sec2annotation(tosec), tosym);
+                fromsym, to, to, tosym, to_p, prl_to, tosym);
+                free(prl_to);
                 break;
         case DATA_TO_ANY_EXIT: {
+                prl_to = sec2annotation(tosec);
                 const char *const *s = mismatch->symbol_white_list;
                 fprintf(stderr,
                 "The variable %s references\n"
@@ -1251,24 +1336,31 @@ static void report_sec_mismatch(const char *modname,
                 "If the reference is valid then annotate the\n"
                 "variable with __exit* (see linux/init.h) or "
                 "name the variable:\n",
-                fromsym, to, sec2annotation(tosec), tosym, to_p);
+                fromsym, to, prl_to, tosym, to_p);
                 while (*s)
                         fprintf(stderr, "%s, ", *s++);
                 fprintf(stderr, "\n");
+                free(prl_to);
                 break;
         }
         case XXXINIT_TO_SOME_INIT:
         case XXXEXIT_TO_SOME_EXIT:
+                prl_from = sec2annotation(fromsec);
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The %s %s%s%s references\n"
                 "a %s %s%s%s.\n"
                 "If %s is only used by %s then\n"
                 "annotate %s with a matching annotation.\n",
-                from, sec2annotation(fromsec), fromsym, from_p,
-                to, sec2annotation(tosec), tosym, to_p,
+                from, prl_from, fromsym, from_p,
+                to, prl_to, tosym, to_p,
                 tosym, fromsym, tosym);
+                free(prl_from);
+                free(prl_to);
                 break;
         case ANY_INIT_TO_ANY_EXIT:
+                prl_from = sec2annotation(fromsec);
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The %s %s%s%s references\n"
                 "a %s %s%s%s.\n"
@@ -1277,11 +1369,15 @@ static void report_sec_mismatch(const char *modname,
                 "uses functionality in the exit path.\n"
                 "The fix is often to remove the %sannotation of\n"
                 "%s%s so it may be used outside an exit section.\n",
-                from, sec2annotation(fromsec), fromsym, from_p,
-                to, sec2annotation(tosec), tosym, to_p,
-                sec2annotation(tosec), tosym, to_p);
+                from, prl_from, fromsym, from_p,
+                to, prl_to, tosym, to_p,
+                prl_to, tosym, to_p);
+                free(prl_from);
+                free(prl_to);
                 break;
         case ANY_EXIT_TO_ANY_INIT:
+                prl_from = sec2annotation(fromsec);
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The %s %s%s%s references\n"
                 "a %s %s%s%s.\n"
@@ -1290,16 +1386,20 @@ static void report_sec_mismatch(const char *modname,
                 "uses functionality in the init path.\n"
                 "The fix is often to remove the %sannotation of\n"
                 "%s%s so it may be used outside an init section.\n",
-                from, sec2annotation(fromsec), fromsym, from_p,
-                to, sec2annotation(tosec), tosym, to_p,
-                sec2annotation(tosec), tosym, to_p);
+                from, prl_from, fromsym, from_p,
+                to, prl_to, tosym, to_p,
+                prl_to, tosym, to_p);
+                free(prl_from);
+                free(prl_to);
                 break;
         case EXPORT_TO_INIT_EXIT:
+                prl_to = sec2annotation(tosec);
                 fprintf(stderr,
                 "The symbol %s is exported and annotated %s\n"
                 "Fix this by removing the %sannotation of %s "
                 "or drop the export.\n",
-                tosym, sec2annotation(tosec), sec2annotation(tosec), tosym);
+                tosym, prl_to, prl_to, tosym);
+                free(prl_to);
                 break;
         }
         fprintf(stderr, "\n");
@@ -1311,7 +1411,7 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
         const char *tosec;
         const struct sectioncheck *mismatch;
 
-        tosec = sec_name(elf, sym->st_shndx);
+        tosec = sec_name(elf, get_secindex(elf, sym));
         mismatch = section_mismatch(fromsec, tosec);
         if (mismatch) {
                 Elf_Sym *to;
@@ -1339,10 +1439,10 @@ static unsigned int *reloc_location(struct elf_info *elf,
                                     Elf_Shdr *sechdr, Elf_Rela *r)
 {
         Elf_Shdr *sechdrs = elf->sechdrs;
-        int section = sechdr->sh_info;
+        int section = shndx2secindex(sechdr->sh_info);
 
         return (void *)elf->hdr + sechdrs[section].sh_offset +
-                (r->r_offset - sechdrs[section].sh_addr);
+                r->r_offset;
 }
 
 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
@@ -1447,7 +1547,7 @@ static void section_rela(const char *modname, struct elf_info *elf,
                 r.r_addend = TO_NATIVE(rela->r_addend);
                 sym = elf->symtab_start + r_sym;
                 /* Skip special sections */
-                if (sym->st_shndx >= SHN_LORESERVE)
+                if (is_shndx_special(sym->st_shndx))
                         continue;
                 check_section_mismatch(modname, elf, &r, sym, fromsec);
         }
@@ -1505,7 +1605,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
                 }
                 sym = elf->symtab_start + r_sym;
                 /* Skip special sections */
-                if (sym->st_shndx >= SHN_LORESERVE)
+                if (is_shndx_special(sym->st_shndx))
                         continue;
                 check_section_mismatch(modname, elf, &r, sym, fromsec);
         }
@@ -1515,7 +1615,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
  * A module includes a number of sections that are discarded
  * either when loaded or when used as built-in.
  * For loaded modules all functions marked __init and all data
- * marked __initdata will be discarded when the module has been intialized.
+ * marked __initdata will be discarded when the module has been initialized.
  * Likewise for modules used built-in the sections marked __exit
  * are discarded because __exit marked function are supposed to be called
  * only when a module is unloaded which never happens for built-in modules.
@@ -1530,7 +1630,7 @@ static void check_sec_ref(struct module *mod, const char *modname,
         Elf_Shdr *sechdrs = elf->sechdrs;
 
         /* Walk through all sections */
-        for (i = 0; i < elf->hdr->e_shnum; i++) {
+        for (i = 0; i < elf->num_sections; i++) {
                 check_section(modname, elf, &elf->sechdrs[i]);
                 /* We want to process only relocation sections and not .init */
                 if (sechdrs[i].sh_type == SHT_RELA)
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index be987a44f25..0388cfccac8 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -129,8 +129,51 @@ struct elf_info {
         const char   *strtab;
         char         *modinfo;
         unsigned int modinfo_len;
+
+        /* support for 32bit section numbers */
+
+        unsigned int num_sections; /* max_secindex + 1 */
+        unsigned int secindex_strings;
+        /* if Nth symbol table entry has .st_shndx = SHN_XINDEX,
+         * take shndx from symtab_shndx_start[N] instead */
+        Elf32_Word   *symtab_shndx_start;
+        Elf32_Word   *symtab_shndx_stop;
 };
 
+static inline int is_shndx_special(unsigned int i)
+{
+        return i != SHN_XINDEX && i >= SHN_LORESERVE && i <= SHN_HIRESERVE;
+}
+
+/* shndx is in [0..SHN_LORESERVE) U (SHN_HIRESERVE, 0xfffffff], thus:
+ * shndx == 0               <=> sechdrs[0]
+ * ......
+ * shndx == SHN_LORESERVE-1 <=> sechdrs[SHN_LORESERVE-1]
+ * shndx == SHN_HIRESERVE+1 <=> sechdrs[SHN_LORESERVE]
+ * shndx == SHN_HIRESERVE+2 <=> sechdrs[SHN_LORESERVE+1]
+ * ......
+ * fyi: sym->st_shndx is uint16, SHN_LORESERVE = ff00, SHN_HIRESERVE = ffff,
+ * so basically we map  0000..feff -> 0000..feff
+ *                      ff00..ffff -> (you are a bad boy, dont do it)
+ *                     10000..xxxx -> ff00..(xxxx-0x100)
+ */
+static inline unsigned int shndx2secindex(unsigned int i)
+{
+        if (i <= SHN_HIRESERVE)
+                return i;
+        return i - (SHN_HIRESERVE + 1 - SHN_LORESERVE);
+}
+
+/* Accessor for sym->st_shndx, hides ugliness of "64k sections" */
+static inline unsigned int get_secindex(const struct elf_info *info,
+                                        const Elf_Sym *sym)
+{
+        if (sym->st_shndx != SHN_XINDEX)
+                return sym->st_shndx;
+        return shndx2secindex(info->symtab_shndx_start[sym -
+                                                       info->symtab_start]);
+}
+
 /* file2alias.c */
 extern unsigned int cross_build;
 void handle_moddevtable(struct module *mod, struct elf_info *info,
diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index 361d0f71184..a71be6b7cde 100755
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -84,6 +84,64 @@ my %ksymtab = ();	# names that appear in __ksymtab_
 my %ref = ();           # $ref{$name} exists if there is a true external reference to $name
 my %export = ();        # $export{$name} exists if there is an EXPORT_... of $name
 
+my %nmexception = (
+    'fs/ext3/bitmap'                    => 1,
+    'fs/ext4/bitmap'                    => 1,
+    'arch/x86/lib/thunk_32'             => 1,
+    'arch/x86/lib/cmpxchg'              => 1,
+    'arch/x86/vdso/vdso32/note'         => 1,
+    'lib/irq_regs'                      => 1,
+    'usr/initramfs_data'                => 1,
+    'drivers/scsi/aic94xx/aic94xx_dump' => 1,
+    'drivers/scsi/libsas/sas_dump'      => 1,
+    'lib/dec_and_lock'                  => 1,
+    'drivers/ide/ide-probe-mini'        => 1,
+    'usr/initramfs_data'                => 1,
+    'drivers/acpi/acpia/exdump'         => 1,
+    'drivers/acpi/acpia/rsdump'         => 1,
+    'drivers/acpi/acpia/nsdumpdv'       => 1,
+    'drivers/acpi/acpia/nsdump'         => 1,
+    'arch/ia64/sn/kernel/sn2/io'        => 1,
+    'arch/ia64/kernel/gate-data'        => 1,
+    'security/capability'               => 1,
+    'fs/ntfs/sysctl'                    => 1,
+    'fs/jfs/jfs_debug'                  => 1,
+);
+
+my %nameexception = (
+    'mod_use_count_'     => 1,
+    '__initramfs_end'   => 1,
+    '__initramfs_start' => 1,
+    '_einittext'        => 1,
+    '_sinittext'        => 1,
+    'kallsyms_names'    => 1,
+    'kallsyms_num_syms' => 1,
+    'kallsyms_addresses'=> 1,
+    '__this_module'     => 1,
+    '_etext'            => 1,
+    '_edata'            => 1,
+    '_end'              => 1,
+    '__bss_start'       => 1,
+    '_text'             => 1,
+    '_stext'            => 1,
+    '__gp'              => 1,
+    'ia64_unw_start'    => 1,
+    'ia64_unw_end'      => 1,
+    '__init_begin'      => 1,
+    '__init_end'        => 1,
+    '__bss_stop'        => 1,
+    '__nosave_begin'    => 1,
+    '__nosave_end'      => 1,
+    'pg0'               => 1,
+    'vdso_enabled'      => 1,
+    '__stack_chk_fail'  => 1,
+    'VDSO32_PRELINK'    => 1,
+    'VDSO32_vsyscall'   => 1,
+    'VDSO32_rt_sigreturn'=>1,
+    'VDSO32_sigreturn'  => 1,
+);
+
+
 &find(\&linux_objects, '.');    # find the objects and do_nm on them
 &list_multiply_defined();
 &resolve_external_references();
@@ -105,7 +163,8 @@ sub linux_objects
         if (/.*\.o$/ &&
                 ! (
                 m:/built-in.o$:
-                || m:arch/x86/kernel/vsyscall-syms.o$:
+                || m:arch/x86/vdso/:
+                || m:arch/x86/boot/:
                 || m:arch/ia64/ia32/ia32.o$:
                 || m:arch/ia64/kernel/gate-syms.o$:
                 || m:arch/ia64/lib/__divdi3.o$:
@@ -148,6 +207,7 @@ sub linux_objects
                 || m:^.*/\.tmp_:
                 || m:^\.tmp_:
                 || m:/vmlinux-obj.o$:
+                || m:^tools/:
                 )
         ) {
                 do_nm($basename, $_);
@@ -167,11 +227,11 @@ sub do_nm
                 printf STDERR "$fullname is not an object file\n";
                 return;
         }
-        ($source = $fullname) =~ s/\.o$//;
-        if (-e "$objtree$source.c" || -e "$objtree$source.S") {
-                $source = "$objtree$source";
+        ($source = $basename) =~ s/\.o$//;
+        if (-e "$source.c" || -e "$source.S") {
+                $source = "$objtree$File::Find::dir/$source";
         } else {
-                $source = "$srctree$source";
+                $source = "$srctree$File::Find::dir/$source";
         }
         if (! -e "$source.c" && ! -e "$source.S") {
                 # No obvious source, exclude the object if it is conglomerate
@@ -214,6 +274,7 @@ sub do_nm
                 # T global label/procedure
                 # U external reference
                 # W weak external reference to text that has been resolved
+                # V similar to W, but the value of the weak symbol becomes zero with no error.
                 # a assembler equate
                 # b static variable, uninitialised
                 # d static variable, initialised
@@ -222,8 +283,9 @@ sub do_nm
                 # s static variable, uninitialised, small bss
                 # t static label/procedures
                 # w weak external reference to text that has not been resolved
+                # v similar to w
                 # ? undefined type, used a lot by modules
-                if ($type !~ /^[ABCDGRSTUWabdgrstw?]$/) {
+                if ($type !~ /^[ABCDGRSTUWVabdgrstwv?]$/) {
                         printf STDERR "nm output for $fullname contains unknown type '$_'\n";
                 }
                 elsif ($name =~ /\./) {
@@ -234,7 +296,7 @@ sub do_nm
                         # binutils keeps changing the type for exported symbols, force it to R
                         $type = 'R' if ($name =~ /^__ksymtab/ || $name =~ /^__kstrtab/);
                         $name =~ s/_R[a-f0-9]{8}$//;    # module versions adds this
-                        if ($type =~ /[ABCDGRSTW]/ &&
+                        if ($type =~ /[ABCDGRSTWV]/ &&
                                 $name ne 'init_module' &&
                                 $name ne 'cleanup_module' &&
                                 $name ne 'Using_Versions' &&
@@ -270,27 +332,9 @@ sub do_nm
         close($nmdata);
 
         if ($#nmdata < 0) {
-                if (
-                        $fullname ne "lib/brlock.o"
-                        && $fullname ne "lib/dec_and_lock.o"
-                        && $fullname ne "fs/xfs/xfs_macros.o"
-                        && $fullname ne "drivers/ide/ide-probe-mini.o"
-                        && $fullname ne "usr/initramfs_data.o"
-                        && $fullname ne "drivers/acpi/executer/exdump.o"
-                        && $fullname ne "drivers/acpi/resources/rsdump.o"
-                        && $fullname ne "drivers/acpi/namespace/nsdumpdv.o"
-                        && $fullname ne "drivers/acpi/namespace/nsdump.o"
-                        && $fullname ne "arch/ia64/sn/kernel/sn2/io.o"
-                        && $fullname ne "arch/ia64/kernel/gate-data.o"
-                        && $fullname ne "drivers/ieee1394/oui.o"
-                        && $fullname ne "security/capability.o"
-                        && $fullname ne "sound/core/wrappers.o"
-                        && $fullname ne "fs/ntfs/sysctl.o"
-                        && $fullname ne "fs/jfs/jfs_debug.o"
-                ) {
-                        printf "No nm data for $fullname\n";
-                }
-                return;
+            printf "No nm data for $fullname\n"
+                unless $nmexception{$fullname};
+            return;
         }
         $nmdata{$fullname} = \@nmdata;
 }
@@ -319,18 +363,14 @@ sub list_multiply_defined
         foreach my $name (keys(%def)) {
                 if ($#{$def{$name}} > 0) {
                         # Special case for cond_syscall
-                        if ($#{$def{$name}} == 1 && $name =~ /^sys_/ &&
-                            ($def{$name}[0] eq "kernel/sys.o" ||
-                             $def{$name}[1] eq "kernel/sys.o")) {
-                                &drop_def("kernel/sys.o", $name);
-                                next;
-                        }
-                        # Special case for i386 entry code
-                        if ($#{$def{$name}} == 1 && $name =~ /^__kernel_/ &&
-                            $def{$name}[0] eq "arch/x86/kernel/vsyscall-int80_32.o" &&
-                            $def{$name}[1] eq "arch/x86/kernel/vsyscall-sysenter_32.o") {
-                                &drop_def("arch/x86/kernel/vsyscall-sysenter_32.o", $name);
-                                next;
+                        if ($#{$def{$name}} == 1 &&
+                           ($name =~ /^sys_/ || $name =~ /^compat_sys_/ ||
+                            $name =~ /^sys32_/)) {
+                                if($def{$name}[0] eq "kernel/sys_ni.o" ||
+                                   $def{$name}[1] eq "kernel/sys_ni.o") {
+                                        &drop_def("kernel/sys_ni.o", $name);
+                                        next;
+                                }
                         }
 
                         printf "$name is multiply defined in :-\n";
@@ -372,31 +412,7 @@ sub resolve_external_references
                                                 $ref{$name} = ""
                                         }
                                 }
-                                elsif (    $name ne "mod_use_count_"
-                                        && $name ne "__initramfs_end"
-                                        && $name ne "__initramfs_start"
-                                        && $name ne "_einittext"
-                                        && $name ne "_sinittext"
-                                        && $name ne "kallsyms_names"
-                                        && $name ne "kallsyms_num_syms"
-                                        && $name ne "kallsyms_addresses"
-                                        && $name ne "__this_module"
-                                        && $name ne "_etext"
-                                        && $name ne "_edata"
-                                        && $name ne "_end"
-                                        && $name ne "__bss_start"
-                                        && $name ne "_text"
-                                        && $name ne "_stext"
-                                        && $name ne "__gp"
-                                        && $name ne "ia64_unw_start"
-                                        && $name ne "ia64_unw_end"
-                                        && $name ne "__init_begin"
-                                        && $name ne "__init_end"
-                                        && $name ne "__bss_stop"
-                                        && $name ne "__nosave_begin"
-                                        && $name ne "__nosave_end"
-                                        && $name ne "pg0"
-                                        && $name ne "__module_text_address"
+                                elsif ( ! $nameexception{$name}
                                         && $name !~ /^__sched_text_/
                                         && $name !~ /^__start_/
                                         && $name !~ /^__end_/
@@ -407,7 +423,6 @@ sub resolve_external_references
                                         && $name !~ /^__.*per_cpu_end/
                                         && $name !~ /^__alt_instructions/
                                         && $name !~ /^__setup_/
-                                        && $name !~ /^jiffies/
                                         && $name !~ /^__mod_timer/
                                         && $name !~ /^__mod_page_state/
                                         && $name !~ /^init_module/
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index 62fcc3a7f4d..d0b931b994f 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -44,7 +44,7 @@ rpm-pkg rpm: $(objtree)/kernel.spec FORCE
         fi
         $(MAKE) clean
         $(PREV) ln -sf $(srctree) $(KERNELPATH)
-        $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion > $(objtree)/.scmversion
+        $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion
         $(PREV) tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(KERNELPATH)/.
         $(PREV) rm $(KERNELPATH)
         rm -f $(objtree)/.scmversion
@@ -111,13 +111,38 @@ tar%pkg: FORCE
 clean-dirs += $(objtree)/tar-install/
 
 
+# perf-pkg - generate a source tarball with perf source
+# ---------------------------------------------------------------------------
+
+perf-tar=perf-$(KERNELVERSION)
+
+quiet_cmd_perf_tar = TAR
+      cmd_perf_tar = \
+git archive --prefix=$(perf-tar)/ HEAD^{tree}                       \
+        $$(cat $(srctree)/tools/perf/MANIFEST) -o $(perf-tar).tar;  \
+mkdir -p $(perf-tar);                                               \
+git rev-parse HEAD > $(perf-tar)/HEAD;                              \
+tar rf $(perf-tar).tar $(perf-tar)/HEAD;                            \
+rm -r $(perf-tar);                                                  \
+$(if $(findstring tar-src,$@),,                                     \
+$(if $(findstring bz2,$@),bzip2,                                    \
+$(if $(findstring gz,$@),gzip,                                      \
+$(error unknown target $@)))                                       \
+        -f -9 $(perf-tar).tar)
+
+perf-%pkg: FORCE
+        $(call cmd,perf_tar)
+
 # Help text displayed when executing 'make help'
 # ---------------------------------------------------------------------------
 help: FORCE
-        @echo '  rpm-pkg         - Build both source and binary RPM kernel packages'
-        @echo '  binrpm-pkg      - Build only the binary kernel package'
-        @echo '  deb-pkg         - Build the kernel as an deb package'
-        @echo '  tar-pkg         - Build the kernel as an uncompressed tarball'
-        @echo '  targz-pkg       - Build the kernel as a gzip compressed tarball'
-        @echo '  tarbz2-pkg      - Build the kernel as a bzip2 compressed tarball'
+        @echo '  rpm-pkg             - Build both source and binary RPM kernel packages'
+        @echo '  binrpm-pkg          - Build only the binary kernel package'
+        @echo '  deb-pkg             - Build the kernel as an deb package'
+        @echo '  tar-pkg             - Build the kernel as an uncompressed tarball'
+        @echo '  targz-pkg           - Build the kernel as a gzip compressed tarball'
+        @echo '  tarbz2-pkg          - Build the kernel as a bzip2 compressed tarball'
+        @echo '  perf-tar-src-pkg    - Build $(perf-tar).tar source tarball'
+        @echo '  perf-targz-src-pkg  - Build $(perf-tar).tar.gz source tarball'
+        @echo '  perf-tarbz2-src-pkg - Build $(perf-tar).tar.bz2 source tarball'
 
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 186344266c3..e1c1d5b8ca7 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-#       Output a simple RPM spec file that uses no fancy features requring
+#       Output a simple RPM spec file that uses no fancy features requiring
 #       RPM v4. This is intended to work with any RPM distro.
 #
 #       The only gothic bit here is redefining install_post to avoid
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
new file mode 100644
index 00000000000..038b3d1e298
--- /dev/null
+++ b/scripts/recordmcount.c
@@ -0,0 +1,410 @@
+/*
+ * recordmcount.c: construct a table of the locations of calls to 'mcount'
+ * so that ftrace can find them quickly.
+ * Copyright 2009 John F. Reiser <jreiser@BitWagon.com>.  All rights reserved.
+ * Licensed under the GNU General Public License, version 2 (GPLv2).
+ *
+ * Restructured to fit Linux format, as well as other updates:
+ *  Copyright 2010 Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
+ */
+
+/*
+ * Strategy: alter the .o file in-place.
+ *
+ * Append a new STRTAB that has the new section names, followed by a new array
+ * ElfXX_Shdr[] that has the new section headers, followed by the section
+ * contents for __mcount_loc and its relocations.  The old shstrtab strings,
+ * and the old ElfXX_Shdr[] array, remain as "garbage" (commonly, a couple
+ * kilobytes.)  Subsequent processing by /bin/ld (or the kernel module loader)
+ * will ignore the garbage regions, because they are not designated by the
+ * new .e_shoff nor the new ElfXX_Shdr[].  [In order to remove the garbage,
+ * then use "ld -r" to create a new file that omits the garbage.]
+ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <elf.h>
+#include <fcntl.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static int fd_map;      /* File descriptor for file being modified. */
+static int mmap_failed; /* Boolean flag. */
+static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */
+static char gpfx;       /* prefix for global symbol name (sometimes '_') */
+static struct stat sb;  /* Remember .st_size, etc. */
+static jmp_buf jmpenv;  /* setjmp/longjmp per-file error escape */
+static const char *altmcount;   /* alternate mcount symbol name */
+
+/* setjmp() return values */
+enum {
+        SJ_SETJMP = 0,  /* hardwired first return */
+        SJ_FAIL,
+        SJ_SUCCEED
+};
+
+/* Per-file resource cleanup when multiple files. */
+static void
+cleanup(void)
+{
+        if (!mmap_failed)
+                munmap(ehdr_curr, sb.st_size);
+        else
+                free(ehdr_curr);
+        close(fd_map);
+}
+
+static void __attribute__((noreturn))
+fail_file(void)
+{
+        cleanup();
+        longjmp(jmpenv, SJ_FAIL);
+}
+
+static void __attribute__((noreturn))
+succeed_file(void)
+{
+        cleanup();
+        longjmp(jmpenv, SJ_SUCCEED);
+}
+
+/* ulseek, uread, ...:  Check return value for errors. */
+
+static off_t
+ulseek(int const fd, off_t const offset, int const whence)
+{
+        off_t const w = lseek(fd, offset, whence);
+        if ((off_t)-1 == w) {
+                perror("lseek");
+                fail_file();
+        }
+        return w;
+}
+
+static size_t
+uread(int const fd, void *const buf, size_t const count)
+{
+        size_t const n = read(fd, buf, count);
+        if (n != count) {
+                perror("read");
+                fail_file();
+        }
+        return n;
+}
+
+static size_t
+uwrite(int const fd, void const *const buf, size_t const count)
+{
+        size_t const n = write(fd, buf, count);
+        if (n != count) {
+                perror("write");
+                fail_file();
+        }
+        return n;
+}
+
+static void *
+umalloc(size_t size)
+{
+        void *const addr = malloc(size);
+        if (0 == addr) {
+                fprintf(stderr, "malloc failed: %zu bytes\n", size);
+                fail_file();
+        }
+        return addr;
+}
+
+/*
+ * Get the whole file as a programming convenience in order to avoid
+ * malloc+lseek+read+free of many pieces.  If successful, then mmap
+ * avoids copying unused pieces; else just read the whole file.
+ * Open for both read and write; new info will be appended to the file.
+ * Use MAP_PRIVATE so that a few changes to the in-memory ElfXX_Ehdr
+ * do not propagate to the file until an explicit overwrite at the last.
+ * This preserves most aspects of consistency (all except .st_size)
+ * for simultaneous readers of the file while we are appending to it.
+ * However, multiple writers still are bad.  We choose not to use
+ * locking because it is expensive and the use case of kernel build
+ * makes multiple writers unlikely.
+ */
+static void *mmap_file(char const *fname)
+{
+        void *addr;
+
+        fd_map = open(fname, O_RDWR);
+        if (0 > fd_map || 0 > fstat(fd_map, &sb)) {
+                perror(fname);
+                fail_file();
+        }
+        if (!S_ISREG(sb.st_mode)) {
+                fprintf(stderr, "not a regular file: %s\n", fname);
+                fail_file();
+        }
+        addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
+                    fd_map, 0);
+        mmap_failed = 0;
+        if (MAP_FAILED == addr) {
+                mmap_failed = 1;
+                addr = umalloc(sb.st_size);
+                uread(fd_map, addr, sb.st_size);
+        }
+        return addr;
+}
+
+/* w8rev, w8nat, ...: Handle endianness. */
+
+static uint64_t w8rev(uint64_t const x)
+{
+        return   ((0xff & (x >> (0 * 8))) << (7 * 8))
+               | ((0xff & (x >> (1 * 8))) << (6 * 8))
+               | ((0xff & (x >> (2 * 8))) << (5 * 8))
+               | ((0xff & (x >> (3 * 8))) << (4 * 8))
+               | ((0xff & (x >> (4 * 8))) << (3 * 8))
+               | ((0xff & (x >> (5 * 8))) << (2 * 8))
+               | ((0xff & (x >> (6 * 8))) << (1 * 8))
+               | ((0xff & (x >> (7 * 8))) << (0 * 8));
+}
+
+static uint32_t w4rev(uint32_t const x)
+{
+        return   ((0xff & (x >> (0 * 8))) << (3 * 8))
+               | ((0xff & (x >> (1 * 8))) << (2 * 8))
+               | ((0xff & (x >> (2 * 8))) << (1 * 8))
+               | ((0xff & (x >> (3 * 8))) << (0 * 8));
+}
+
+static uint32_t w2rev(uint16_t const x)
+{
+        return   ((0xff & (x >> (0 * 8))) << (1 * 8))
+               | ((0xff & (x >> (1 * 8))) << (0 * 8));
+}
+
+static uint64_t w8nat(uint64_t const x)
+{
+        return x;
+}
+
+static uint32_t w4nat(uint32_t const x)
+{
+        return x;
+}
+
+static uint32_t w2nat(uint16_t const x)
+{
+        return x;
+}
+
+static uint64_t (*w8)(uint64_t);
+static uint32_t (*w)(uint32_t);
+static uint32_t (*w2)(uint16_t);
+
+/* Names of the sections that could contain calls to mcount. */
+static int
+is_mcounted_section_name(char const *const txtname)
+{
+        return 0 == strcmp(".text",          txtname) ||
+                0 == strcmp(".sched.text",    txtname) ||
+                0 == strcmp(".spinlock.text", txtname) ||
+                0 == strcmp(".irqentry.text", txtname) ||
+                0 == strcmp(".text.unlikely", txtname);
+}
+
+/* 32 bit and 64 bit are very similar */
+#include "recordmcount.h"
+#define RECORD_MCOUNT_64
+#include "recordmcount.h"
+
+/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
+ * http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
+ * We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40]
+ * to imply the order of the members; the spec does not say so.
+ *      typedef unsigned char Elf64_Byte;
+ * fails on MIPS64 because their <elf.h> already has it!
+ */
+
+typedef uint8_t myElf64_Byte;           /* Type for a 8-bit quantity.  */
+
+union mips_r_info {
+        Elf64_Xword r_info;
+        struct {
+                Elf64_Word r_sym;               /* Symbol index.  */
+                myElf64_Byte r_ssym;            /* Special symbol.  */
+                myElf64_Byte r_type3;           /* Third relocation.  */
+                myElf64_Byte r_type2;           /* Second relocation.  */
+                myElf64_Byte r_type;            /* First relocation.  */
+        } r_mips;
+};
+
+static uint64_t MIPS64_r_sym(Elf64_Rel const *rp)
+{
+        return w(((union mips_r_info){ .r_info = rp->r_info }).r_mips.r_sym);
+}
+
+static void MIPS64_r_info(Elf64_Rel *const rp, unsigned sym, unsigned type)
+{
+        rp->r_info = ((union mips_r_info){
+                .r_mips = { .r_sym = w(sym), .r_type = type }
+        }).r_info;
+}
+
+static void
+do_file(char const *const fname)
+{
+        Elf32_Ehdr *const ehdr = mmap_file(fname);
+        unsigned int reltype = 0;
+
+        ehdr_curr = ehdr;
+        w = w4nat;
+        w2 = w2nat;
+        w8 = w8nat;
+        switch (ehdr->e_ident[EI_DATA]) {
+                static unsigned int const endian = 1;
+        default: {
+                fprintf(stderr, "unrecognized ELF data encoding %d: %s\n",
+                        ehdr->e_ident[EI_DATA], fname);
+                fail_file();
+        } break;
+        case ELFDATA2LSB: {
+                if (1 != *(unsigned char const *)&endian) {
+                        /* main() is big endian, file.o is little endian. */
+                        w = w4rev;
+                        w2 = w2rev;
+                        w8 = w8rev;
+                }
+        } break;
+        case ELFDATA2MSB: {
+                if (0 != *(unsigned char const *)&endian) {
+                        /* main() is little endian, file.o is big endian. */
+                        w = w4rev;
+                        w2 = w2rev;
+                        w8 = w8rev;
+                }
+        } break;
+        }  /* end switch */
+        if (0 != memcmp(ELFMAG, ehdr->e_ident, SELFMAG)
+        ||  ET_REL != w2(ehdr->e_type)
+        ||  EV_CURRENT != ehdr->e_ident[EI_VERSION]) {
+                fprintf(stderr, "unrecognized ET_REL file %s\n", fname);
+                fail_file();
+        }
+
+        gpfx = 0;
+        switch (w2(ehdr->e_machine)) {
+        default: {
+                fprintf(stderr, "unrecognized e_machine %d %s\n",
+                        w2(ehdr->e_machine), fname);
+                fail_file();
+        } break;
+        case EM_386:     reltype = R_386_32;                   break;
+        case EM_ARM:     reltype = R_ARM_ABS32;
+                         altmcount = "__gnu_mcount_nc";
+                         break;
+        case EM_IA_64:   reltype = R_IA64_IMM64;   gpfx = '_'; break;
+        case EM_MIPS:    /* reltype: e_class    */ gpfx = '_'; break;
+        case EM_PPC:     reltype = R_PPC_ADDR32;   gpfx = '_'; break;
+        case EM_PPC64:   reltype = R_PPC64_ADDR64; gpfx = '_'; break;
+        case EM_S390:    /* reltype: e_class    */ gpfx = '_'; break;
+        case EM_SH:      reltype = R_SH_DIR32;                 break;
+        case EM_SPARCV9: reltype = R_SPARC_64;     gpfx = '_'; break;
+        case EM_X86_64:  reltype = R_X86_64_64;                break;
+        }  /* end switch */
+
+        switch (ehdr->e_ident[EI_CLASS]) {
+        default: {
+                fprintf(stderr, "unrecognized ELF class %d %s\n",
+                        ehdr->e_ident[EI_CLASS], fname);
+                fail_file();
+        } break;
+        case ELFCLASS32: {
+                if (sizeof(Elf32_Ehdr) != w2(ehdr->e_ehsize)
+                ||  sizeof(Elf32_Shdr) != w2(ehdr->e_shentsize)) {
+                        fprintf(stderr,
+                                "unrecognized ET_REL file: %s\n", fname);
+                        fail_file();
+                }
+                if (EM_S390 == w2(ehdr->e_machine))
+                        reltype = R_390_32;
+                if (EM_MIPS == w2(ehdr->e_machine)) {
+                        reltype = R_MIPS_32;
+                        is_fake_mcount32 = MIPS32_is_fake_mcount;
+                }
+                do32(ehdr, fname, reltype);
+        } break;
+        case ELFCLASS64: {
+                Elf64_Ehdr *const ghdr = (Elf64_Ehdr *)ehdr;
+                if (sizeof(Elf64_Ehdr) != w2(ghdr->e_ehsize)
+                ||  sizeof(Elf64_Shdr) != w2(ghdr->e_shentsize)) {
+                        fprintf(stderr,
+                                "unrecognized ET_REL file: %s\n", fname);
+                        fail_file();
+                }
+                if (EM_S390 == w2(ghdr->e_machine))
+                        reltype = R_390_64;
+                if (EM_MIPS == w2(ghdr->e_machine)) {
+                        reltype = R_MIPS_64;
+                        Elf64_r_sym = MIPS64_r_sym;
+                        Elf64_r_info = MIPS64_r_info;
+                        is_fake_mcount64 = MIPS64_is_fake_mcount;
+                }
+                do64(ghdr, fname, reltype);
+        } break;
+        }  /* end switch */
+
+        cleanup();
+}
+
+int
+main(int argc, char const *argv[])
+{
+        const char ftrace[] = "/ftrace.o";
+        int ftrace_size = sizeof(ftrace) - 1;
+        int n_error = 0;  /* gcc-4.3.0 false positive complaint */
+
+        if (argc <= 1) {
+                fprintf(stderr, "usage: recordmcount file.o...\n");
+                return 0;
+        }
+
+        /* Process each file in turn, allowing deep failure. */
+        for (--argc, ++argv; 0 < argc; --argc, ++argv) {
+                int const sjval = setjmp(jmpenv);
+                int len;
+
+                /*
+                 * The file kernel/trace/ftrace.o references the mcount
+                 * function but does not call it. Since ftrace.o should
+                 * not be traced anyway, we just skip it.
+                 */
+                len = strlen(argv[0]);
+                if (len >= ftrace_size &&
+                    strcmp(argv[0] + (len - ftrace_size), ftrace) == 0)
+                        continue;
+
+                switch (sjval) {
+                default: {
+                        fprintf(stderr, "internal error: %s\n", argv[0]);
+                        exit(1);
+                } break;
+                case SJ_SETJMP: {  /* normal sequence */
+                        /* Avoid problems if early cleanup() */
+                        fd_map = -1;
+                        ehdr_curr = NULL;
+                        mmap_failed = 1;
+                        do_file(argv[0]);
+                } break;
+                case SJ_FAIL: {  /* error in do_file or below */
+                        ++n_error;
+                } break;
+                case SJ_SUCCEED: {  /* premature success */
+                        /* do nothing */
+                } break;
+                }  /* end switch */
+        }
+        return !!n_error;
+}
+
+
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
new file mode 100644
index 00000000000..baf187bee98
--- /dev/null
+++ b/scripts/recordmcount.h
@@ -0,0 +1,443 @@
+/*
+ * recordmcount.h
+ *
+ * This code was taken out of recordmcount.c written by
+ * Copyright 2009 John F. Reiser <jreiser@BitWagon.com>.  All rights reserved.
+ *
+ * The original code had the same algorithms for both 32bit
+ * and 64bit ELF files, but the code was duplicated to support
+ * the difference in structures that were used. This
+ * file creates a macro of everything that is different between
+ * the 64 and 32 bit code, such that by including this header
+ * twice we can create both sets of functions by including this
+ * header once with RECORD_MCOUNT_64 undefined, and again with
+ * it defined.
+ *
+ * This conversion to macros was done by:
+ * Copyright 2010 Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
+ *
+ * Licensed under the GNU General Public License, version 2 (GPLv2).
+ */
+#undef append_func
+#undef is_fake_mcount
+#undef fn_is_fake_mcount
+#undef MIPS_is_fake_mcount
+#undef sift_rel_mcount
+#undef find_secsym_ndx
+#undef __has_rel_mcount
+#undef has_rel_mcount
+#undef tot_relsize
+#undef do_func
+#undef Elf_Addr
+#undef Elf_Ehdr
+#undef Elf_Shdr
+#undef Elf_Rel
+#undef Elf_Rela
+#undef Elf_Sym
+#undef ELF_R_SYM
+#undef Elf_r_sym
+#undef ELF_R_INFO
+#undef Elf_r_info
+#undef ELF_ST_BIND
+#undef fn_ELF_R_SYM
+#undef fn_ELF_R_INFO
+#undef uint_t
+#undef _w
+#undef _align
+#undef _size
+
+#ifdef RECORD_MCOUNT_64
+# define append_func            append64
+# define sift_rel_mcount        sift64_rel_mcount
+# define find_secsym_ndx        find64_secsym_ndx
+# define __has_rel_mcount       __has64_rel_mcount
+# define has_rel_mcount         has64_rel_mcount
+# define tot_relsize            tot64_relsize
+# define do_func                do64
+# define is_fake_mcount         is_fake_mcount64
+# define fn_is_fake_mcount      fn_is_fake_mcount64
+# define MIPS_is_fake_mcount    MIPS64_is_fake_mcount
+# define Elf_Addr               Elf64_Addr
+# define Elf_Ehdr               Elf64_Ehdr
+# define Elf_Shdr               Elf64_Shdr
+# define Elf_Rel                Elf64_Rel
+# define Elf_Rela               Elf64_Rela
+# define Elf_Sym                Elf64_Sym
+# define ELF_R_SYM              ELF64_R_SYM
+# define Elf_r_sym              Elf64_r_sym
+# define ELF_R_INFO             ELF64_R_INFO
+# define Elf_r_info             Elf64_r_info
+# define ELF_ST_BIND            ELF64_ST_BIND
+# define fn_ELF_R_SYM           fn_ELF64_R_SYM
+# define fn_ELF_R_INFO          fn_ELF64_R_INFO
+# define uint_t                 uint64_t
+# define _w                     w8
+# define _align                 7u
+# define _size                  8
+#else
+# define append_func            append32
+# define sift_rel_mcount        sift32_rel_mcount
+# define find_secsym_ndx        find32_secsym_ndx
+# define __has_rel_mcount       __has32_rel_mcount
+# define has_rel_mcount         has32_rel_mcount
+# define tot_relsize            tot32_relsize
+# define do_func                do32
+# define is_fake_mcount         is_fake_mcount32
+# define fn_is_fake_mcount      fn_is_fake_mcount32
+# define MIPS_is_fake_mcount    MIPS32_is_fake_mcount
+# define Elf_Addr               Elf32_Addr
+# define Elf_Ehdr               Elf32_Ehdr
+# define Elf_Shdr               Elf32_Shdr
+# define Elf_Rel                Elf32_Rel
+# define Elf_Rela               Elf32_Rela
+# define Elf_Sym                Elf32_Sym
+# define ELF_R_SYM              ELF32_R_SYM
+# define Elf_r_sym              Elf32_r_sym
+# define ELF_R_INFO             ELF32_R_INFO
+# define Elf_r_info             Elf32_r_info
+# define ELF_ST_BIND            ELF32_ST_BIND
+# define fn_ELF_R_SYM           fn_ELF32_R_SYM
+# define fn_ELF_R_INFO          fn_ELF32_R_INFO
+# define uint_t                 uint32_t
+# define _w                     w
+# define _align                 3u
+# define _size                  4
+#endif
+
+/* Functions and pointers that do_file() may override for specific e_machine. */
+static int fn_is_fake_mcount(Elf_Rel const *rp)
+{
+        return 0;
+}
+static int (*is_fake_mcount)(Elf_Rel const *rp) = fn_is_fake_mcount;
+
+static uint_t fn_ELF_R_SYM(Elf_Rel const *rp)
+{
+        return ELF_R_SYM(_w(rp->r_info));
+}
+static uint_t (*Elf_r_sym)(Elf_Rel const *rp) = fn_ELF_R_SYM;
+
+static void fn_ELF_R_INFO(Elf_Rel *const rp, unsigned sym, unsigned type)
+{
+        rp->r_info = _w(ELF_R_INFO(sym, type));
+}
+static void (*Elf_r_info)(Elf_Rel *const rp, unsigned sym, unsigned type) = fn_ELF_R_INFO;
+
+/*
+ * MIPS mcount long call has 2 _mcount symbols, only the position of the 1st
+ * _mcount symbol is needed for dynamic function tracer, with it, to disable
+ * tracing(ftrace_make_nop), the instruction in the position is replaced with
+ * the "b label" instruction, to enable tracing(ftrace_make_call), replace the
+ * instruction back. So, here, we set the 2nd one as fake and filter it.
+ *
+ * c:   3c030000        lui     v1,0x0          <-->    b       label
+ *              c: R_MIPS_HI16  _mcount
+ *              c: R_MIPS_NONE  *ABS*
+ *              c: R_MIPS_NONE  *ABS*
+ * 10:  64630000        daddiu  v1,v1,0
+ *              10: R_MIPS_LO16 _mcount
+ *              10: R_MIPS_NONE *ABS*
+ *              10: R_MIPS_NONE *ABS*
+ * 14:  03e0082d        move    at,ra
+ * 18:  0060f809        jalr    v1
+ * label:
+ */
+#define MIPS_FAKEMCOUNT_OFFSET  4
+
+static int MIPS_is_fake_mcount(Elf_Rel const *rp)
+{
+        static Elf_Addr old_r_offset;
+        Elf_Addr current_r_offset = _w(rp->r_offset);
+        int is_fake;
+
+        is_fake = old_r_offset &&
+                (current_r_offset - old_r_offset == MIPS_FAKEMCOUNT_OFFSET);
+        old_r_offset = current_r_offset;
+
+        return is_fake;
+}
+
+/* Append the new shstrtab, Elf_Shdr[], __mcount_loc and its relocations. */
+static void append_func(Elf_Ehdr *const ehdr,
+                        Elf_Shdr *const shstr,
+                        uint_t const *const mloc0,
+                        uint_t const *const mlocp,
+                        Elf_Rel const *const mrel0,
+                        Elf_Rel const *const mrelp,
+                        unsigned int const rel_entsize,
+                        unsigned int const symsec_sh_link)
+{
+        /* Begin constructing output file */
+        Elf_Shdr mcsec;
+        char const *mc_name = (sizeof(Elf_Rela) == rel_entsize)
+                ? ".rela__mcount_loc"
+                :  ".rel__mcount_loc";
+        unsigned const old_shnum = w2(ehdr->e_shnum);
+        uint_t const old_shoff = _w(ehdr->e_shoff);
+        uint_t const old_shstr_sh_size   = _w(shstr->sh_size);
+        uint_t const old_shstr_sh_offset = _w(shstr->sh_offset);
+        uint_t t = 1 + strlen(mc_name) + _w(shstr->sh_size);
+        uint_t new_e_shoff;
+
+        shstr->sh_size = _w(t);
+        shstr->sh_offset = _w(sb.st_size);
+        t += sb.st_size;
+        t += (_align & -t);  /* word-byte align */
+        new_e_shoff = t;
+
+        /* body for new shstrtab */
+        ulseek(fd_map, sb.st_size, SEEK_SET);
+        uwrite(fd_map, old_shstr_sh_offset + (void *)ehdr, old_shstr_sh_size);
+        uwrite(fd_map, mc_name, 1 + strlen(mc_name));
+
+        /* old(modified) Elf_Shdr table, word-byte aligned */
+        ulseek(fd_map, t, SEEK_SET);
+        t += sizeof(Elf_Shdr) * old_shnum;
+        uwrite(fd_map, old_shoff + (void *)ehdr,
+               sizeof(Elf_Shdr) * old_shnum);
+
+        /* new sections __mcount_loc and .rel__mcount_loc */
+        t += 2*sizeof(mcsec);
+        mcsec.sh_name = w((sizeof(Elf_Rela) == rel_entsize) + strlen(".rel")
+                + old_shstr_sh_size);
+        mcsec.sh_type = w(SHT_PROGBITS);
+        mcsec.sh_flags = _w(SHF_ALLOC);
+        mcsec.sh_addr = 0;
+        mcsec.sh_offset = _w(t);
+        mcsec.sh_size = _w((void *)mlocp - (void *)mloc0);
+        mcsec.sh_link = 0;
+        mcsec.sh_info = 0;
+        mcsec.sh_addralign = _w(_size);
+        mcsec.sh_entsize = _w(_size);
+        uwrite(fd_map, &mcsec, sizeof(mcsec));
+
+        mcsec.sh_name = w(old_shstr_sh_size);
+        mcsec.sh_type = (sizeof(Elf_Rela) == rel_entsize)
+                ? w(SHT_RELA)
+                : w(SHT_REL);
+        mcsec.sh_flags = 0;
+        mcsec.sh_addr = 0;
+        mcsec.sh_offset = _w((void *)mlocp - (void *)mloc0 + t);
+        mcsec.sh_size   = _w((void *)mrelp - (void *)mrel0);
+        mcsec.sh_link = w(symsec_sh_link);
+        mcsec.sh_info = w(old_shnum);
+        mcsec.sh_addralign = _w(_size);
+        mcsec.sh_entsize = _w(rel_entsize);
+        uwrite(fd_map, &mcsec, sizeof(mcsec));
+
+        uwrite(fd_map, mloc0, (void *)mlocp - (void *)mloc0);
+        uwrite(fd_map, mrel0, (void *)mrelp - (void *)mrel0);
+
+        ehdr->e_shoff = _w(new_e_shoff);
+        ehdr->e_shnum = w2(2 + w2(ehdr->e_shnum));  /* {.rel,}__mcount_loc */
+        ulseek(fd_map, 0, SEEK_SET);
+        uwrite(fd_map, ehdr, sizeof(*ehdr));
+}
+
+/*
+ * Look at the relocations in order to find the calls to mcount.
+ * Accumulate the section offsets that are found, and their relocation info,
+ * onto the end of the existing arrays.
+ */
+static uint_t *sift_rel_mcount(uint_t *mlocp,
+                               unsigned const offbase,
+                               Elf_Rel **const mrelpp,
+                               Elf_Shdr const *const relhdr,
+                               Elf_Ehdr const *const ehdr,
+                               unsigned const recsym,
+                               uint_t const recval,
+                               unsigned const reltype)
+{
+        uint_t *const mloc0 = mlocp;
+        Elf_Rel *mrelp = *mrelpp;
+        Elf_Shdr *const shdr0 = (Elf_Shdr *)(_w(ehdr->e_shoff)
+                + (void *)ehdr);
+        unsigned const symsec_sh_link = w(relhdr->sh_link);
+        Elf_Shdr const *const symsec = &shdr0[symsec_sh_link];
+        Elf_Sym const *const sym0 = (Elf_Sym const *)(_w(symsec->sh_offset)
+                + (void *)ehdr);
+
+        Elf_Shdr const *const strsec = &shdr0[w(symsec->sh_link)];
+        char const *const str0 = (char const *)(_w(strsec->sh_offset)
+                + (void *)ehdr);
+
+        Elf_Rel const *const rel0 = (Elf_Rel const *)(_w(relhdr->sh_offset)
+                + (void *)ehdr);
+        unsigned rel_entsize = _w(relhdr->sh_entsize);
+        unsigned const nrel = _w(relhdr->sh_size) / rel_entsize;
+        Elf_Rel const *relp = rel0;
+
+        unsigned mcountsym = 0;
+        unsigned t;
+
+        for (t = nrel; t; --t) {
+                if (!mcountsym) {
+                        Elf_Sym const *const symp =
+                                &sym0[Elf_r_sym(relp)];
+                        char const *symname = &str0[w(symp->st_name)];
+                        char const *mcount = '_' == gpfx ? "_mcount" : "mcount";
+
+                        if ('.' == symname[0])
+                                ++symname;  /* ppc64 hack */
+                        if (0 == strcmp(mcount, symname) ||
+                            (altmcount && 0 == strcmp(altmcount, symname)))
+                                mcountsym = Elf_r_sym(relp);
+                }
+
+                if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
+                        uint_t const addend = _w(_w(relp->r_offset) - recval);
+
+                        mrelp->r_offset = _w(offbase
+                                + ((void *)mlocp - (void *)mloc0));
+                        Elf_r_info(mrelp, recsym, reltype);
+                        if (sizeof(Elf_Rela) == rel_entsize) {
+                                ((Elf_Rela *)mrelp)->r_addend = addend;
+                                *mlocp++ = 0;
+                        } else
+                                *mlocp++ = addend;
+
+                        mrelp = (Elf_Rel *)(rel_entsize + (void *)mrelp);
+                }
+                relp = (Elf_Rel const *)(rel_entsize + (void *)relp);
+        }
+        *mrelpp = mrelp;
+        return mlocp;
+}
+
+
+/*
+ * Find a symbol in the given section, to be used as the base for relocating
+ * the table of offsets of calls to mcount.  A local or global symbol suffices,
+ * but avoid a Weak symbol because it may be overridden; the change in value
+ * would invalidate the relocations of the offsets of the calls to mcount.
+ * Often the found symbol will be the unnamed local symbol generated by
+ * GNU 'as' for the start of each section.  For example:
+ *    Num:    Value  Size Type    Bind   Vis      Ndx Name
+ *      2: 00000000     0 SECTION LOCAL  DEFAULT    1
+ */
+static unsigned find_secsym_ndx(unsigned const txtndx,
+                                char const *const txtname,
+                                uint_t *const recvalp,
+                                Elf_Shdr const *const symhdr,
+                                Elf_Ehdr const *const ehdr)
+{
+        Elf_Sym const *const sym0 = (Elf_Sym const *)(_w(symhdr->sh_offset)
+                + (void *)ehdr);
+        unsigned const nsym = _w(symhdr->sh_size) / _w(symhdr->sh_entsize);
+        Elf_Sym const *symp;
+        unsigned t;
+
+        for (symp = sym0, t = nsym; t; --t, ++symp) {
+                unsigned int const st_bind = ELF_ST_BIND(symp->st_info);
+
+                if (txtndx == w2(symp->st_shndx)
+                        /* avoid STB_WEAK */
+                    && (STB_LOCAL == st_bind || STB_GLOBAL == st_bind)) {
+                        *recvalp = _w(symp->st_value);
+                        return symp - sym0;
+                }
+        }
+        fprintf(stderr, "Cannot find symbol for section %d: %s.\n",
+                txtndx, txtname);
+        fail_file();
+}
+
+
+/* Evade ISO C restriction: no declaration after statement in has_rel_mcount. */
+static char const *
+__has_rel_mcount(Elf_Shdr const *const relhdr,  /* is SHT_REL or SHT_RELA */
+                 Elf_Shdr const *const shdr0,
+                 char const *const shstrtab,
+                 char const *const fname)
+{
+        /* .sh_info depends on .sh_type == SHT_REL[,A] */
+        Elf_Shdr const *const txthdr = &shdr0[w(relhdr->sh_info)];
+        char const *const txtname = &shstrtab[w(txthdr->sh_name)];
+
+        if (0 == strcmp("__mcount_loc", txtname)) {
+                fprintf(stderr, "warning: __mcount_loc already exists: %s\n",
+                        fname);
+                succeed_file();
+        }
+        if (SHT_PROGBITS != w(txthdr->sh_type) ||
+            !is_mcounted_section_name(txtname))
+                return NULL;
+        return txtname;
+}
+
+static char const *has_rel_mcount(Elf_Shdr const *const relhdr,
+                                  Elf_Shdr const *const shdr0,
+                                  char const *const shstrtab,
+                                  char const *const fname)
+{
+        if (SHT_REL  != w(relhdr->sh_type) && SHT_RELA != w(relhdr->sh_type))
+                return NULL;
+        return __has_rel_mcount(relhdr, shdr0, shstrtab, fname);
+}
+
+
+static unsigned tot_relsize(Elf_Shdr const *const shdr0,
+                            unsigned nhdr,
+                            const char *const shstrtab,
+                            const char *const fname)
+{
+        unsigned totrelsz = 0;
+        Elf_Shdr const *shdrp = shdr0;
+
+        for (; nhdr; --nhdr, ++shdrp) {
+                if (has_rel_mcount(shdrp, shdr0, shstrtab, fname))
+                        totrelsz += _w(shdrp->sh_size);
+        }
+        return totrelsz;
+}
+
+
+/* Overall supervision for Elf32 ET_REL file. */
+static void
+do_func(Elf_Ehdr *const ehdr, char const *const fname, unsigned const reltype)
+{
+        Elf_Shdr *const shdr0 = (Elf_Shdr *)(_w(ehdr->e_shoff)
+                + (void *)ehdr);
+        unsigned const nhdr = w2(ehdr->e_shnum);
+        Elf_Shdr *const shstr = &shdr0[w2(ehdr->e_shstrndx)];
+        char const *const shstrtab = (char const *)(_w(shstr->sh_offset)
+                + (void *)ehdr);
+
+        Elf_Shdr const *relhdr;
+        unsigned k;
+
+        /* Upper bound on space: assume all relevant relocs are for mcount. */
+        unsigned const totrelsz = tot_relsize(shdr0, nhdr, shstrtab, fname);
+        Elf_Rel *const mrel0 = umalloc(totrelsz);
+        Elf_Rel *      mrelp = mrel0;
+
+        /* 2*sizeof(address) <= sizeof(Elf_Rel) */
+        uint_t *const mloc0 = umalloc(totrelsz>>1);
+        uint_t *      mlocp = mloc0;
+
+        unsigned rel_entsize = 0;
+        unsigned symsec_sh_link = 0;
+
+        for (relhdr = shdr0, k = nhdr; k; --k, ++relhdr) {
+                char const *const txtname = has_rel_mcount(relhdr, shdr0,
+                        shstrtab, fname);
+                if (txtname) {
+                        uint_t recval = 0;
+                        unsigned const recsym = find_secsym_ndx(
+                                w(relhdr->sh_info), txtname, &recval,
+                                &shdr0[symsec_sh_link = w(relhdr->sh_link)],
+                                ehdr);
+
+                        rel_entsize = _w(relhdr->sh_entsize);
+                        mlocp = sift_rel_mcount(mlocp,
+                                (void *)mlocp - (void *)mloc0, &mrelp,
+                                relhdr, ehdr, recsym, recval, reltype);
+                }
+        }
+        if (mloc0 != mlocp) {
+                append_func(ehdr, shstr, mloc0, mlocp, mrel0, mrelp,
+                            rel_entsize, symsec_sh_link);
+        }
+        free(mrel0);
+        free(mloc0);
+}
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index ea6f6e3adae..1d7963f4ee7 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -136,13 +136,14 @@ my %text_sections = (
      ".text.unlikely" => 1,
 );
 
-$objdump = "objdump" if ((length $objdump) == 0);
-$objcopy = "objcopy" if ((length $objcopy) == 0);
-$cc = "gcc" if ((length $cc) == 0);
-$ld = "ld" if ((length $ld) == 0);
-$nm = "nm" if ((length $nm) == 0);
-$rm = "rm" if ((length $rm) == 0);
-$mv = "mv" if ((length $mv) == 0);
+# Note: we are nice to C-programmers here, thus we skip the '||='-idiom.
+$objdump = 'objdump' if (!$objdump);
+$objcopy = 'objcopy' if (!$objcopy);
+$cc = 'gcc' if (!$cc);
+$ld = 'ld' if (!$ld);
+$nm = 'nm' if (!$nm);
+$rm = 'rm' if (!$rm);
+$mv = 'mv' if (!$mv);
 
 #print STDERR "running: $P '$arch' '$objdump' '$objcopy' '$cc' '$ld' " .
 #    "'$nm' '$rm' '$mv' '$inputfile'\n";
@@ -158,6 +159,7 @@ my $section_regex;	# Find the start of a section
 my $function_regex;     # Find the name of a function
                         #    (return offset and func name)
 my $mcount_regex;       # Find the call site to mcount (return offset)
+my $mcount_adjust;      # Address adjustment to mcount offset
 my $alignment;          # The .align value to use for $mcount_section
 my $section_type;       # Section header plus possible alignment command
 my $can_use_local = 0;  # If we can use local function references
@@ -212,6 +214,7 @@ $section_regex = "Disassembly of section\\s+(\\S+):";
 $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";
 $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
 $section_type = '@progbits';
+$mcount_adjust = 0;
 $type = ".long";
 
 if ($arch eq "x86_64") {
@@ -267,6 +270,8 @@ if ($arch eq "x86_64") {
 } elsif ($arch eq "arm") {
     $alignment = 2;
     $section_type = '%progbits';
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_ARM_(CALL|PC24|THM_CALL)" .
+                        "\\s+(__gnu_mcount_nc|mcount)\$";
 
 } elsif ($arch eq "ia64") {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
@@ -325,7 +330,7 @@ if ($arch eq "x86_64") {
     #                    14: R_MIPS_NONE *ABS*
     #    18:   00020021        nop
     if ($is_module eq "0") {
-            $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
+            $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_26\\s+_mcount\$";
     } else {
             $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_HI16\\s+_mcount\$";
     }
@@ -350,6 +355,9 @@ if ($arch eq "x86_64") {
 } elsif ($arch eq "microblaze") {
     # Microblaze calls '_mcount' instead of plain 'mcount'.
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
+} elsif ($arch eq "blackfin") {
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s__mcount\$";
+    $mcount_adjust = -4;
 } else {
     die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
 }
@@ -432,14 +440,14 @@ sub update_funcs
 
     # Loop through all the mcount caller offsets and print a reference
     # to the caller based from the ref_func.
-    for (my $i=0; $i <= $#offsets; $i++) {
-        if (!$opened) {
-            open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";
-            $opened = 1;
-            print FILE "\t.section $mcount_section,\"a\",$section_type\n";
-            print FILE "\t.align $alignment\n" if (defined($alignment));
-        }
-        printf FILE "\t%s %s + %d\n", $type, $ref_func, $offsets[$i] - $offset;
+    if (!$opened) {
+        open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";
+        $opened = 1;
+        print FILE "\t.section $mcount_section,\"a\",$section_type\n";
+        print FILE "\t.align $alignment\n" if (defined($alignment));
+    }
+    foreach my $cur_offset (@offsets) {
+        printf FILE "\t%s %s + %d\n", $type, $ref_func, $cur_offset - $offset;
     }
 }
 
@@ -476,11 +484,7 @@ while (<IN>) {
         $read_headers = 0;
 
         # Only record text sections that we know are safe
-        if (defined($text_sections{$1})) {
-            $read_function = 1;
-        } else {
-            $read_function = 0;
-        }
+        $read_function = defined($text_sections{$1});
         # print out any recorded offsets
         update_funcs();
 
@@ -514,7 +518,7 @@ while (<IN>) {
     }
     # is this a call site to mcount? If so, record it to print later
     if ($text_found && /$mcount_regex/) {
-        $offsets[$#offsets + 1] = hex $1;
+        push(@offsets, (hex $1) + $mcount_adjust);
     }
 }
 
diff --git a/scripts/selinux/genheaders/genheaders.c b/scripts/selinux/genheaders/genheaders.c
index 24626968055..58a12c27870 100644
--- a/scripts/selinux/genheaders/genheaders.c
+++ b/scripts/selinux/genheaders/genheaders.c
@@ -81,7 +81,7 @@ int main(int argc, char *argv[])
         fprintf(fout, "\n");
 
         for (i = 1; i < isids_len; i++) {
-                char *s = initial_sid_to_string[i];
+                const char *s = initial_sid_to_string[i];
                 fprintf(fout, "#define SECINITSID_%s", s);
                 for (j = 0; j < max(1, 40 - strlen(s)); j++)
                         fprintf(fout, " ");
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 46989b88d73..ef8729f4858 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -10,73 +10,164 @@
 #
 
 usage() {
-        echo "Usage: $0 [srctree]" >&2
+        echo "Usage: $0 [--save-scmversion] [srctree]" >&2
         exit 1
 }
 
-cd "${1:-.}" || usage
+scm_only=false
+srctree=.
+if test "$1" = "--save-scmversion"; then
+        scm_only=true
+        shift
+fi
+if test $# -gt 0; then
+        srctree=$1
+        shift
+fi
+if test $# -gt 0 -o ! -d "$srctree"; then
+        usage
+fi
 
-# Check for git and a git repo.
-if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
+scm_version()
+{
+        local short
+        short=false
 
-        # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
-        # because this version is defined in the top level Makefile.
-        if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
+        cd "$srctree"
+        if test -e .scmversion; then
+                cat .scmversion
+                return
+        fi
+        if test "$1" = "--short"; then
+                short=true
+        fi
 
-                # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
-                # we pretty print it.
-                if atag="`git describe 2>/dev/null`"; then
-                        echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+        # Check for git and a git repo.
+        if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
+
+                # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
+                # it, because this version is defined in the top level Makefile.
+                if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
+
+                        # If only the short version is requested, don't bother
+                        # running further git commands
+                        if $short; then
+                                echo "+"
+                                return
+                        fi
+                        # If we are past a tagged commit (like
+                        # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
+                        if atag="`git describe 2>/dev/null`"; then
+                                echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+
+                        # If we don't have a tag at all we print -g{commitish}.
+                        else
+                                printf '%s%s' -g $head
+                        fi
+                fi
 
-                # If we don't have a tag at all we print -g{commitish}.
-                else
-                        printf '%s%s' -g $head
+                # Is this git on svn?
+                if git config --get svn-remote.svn.url >/dev/null; then
+                        printf -- '-svn%s' "`git svn find-rev $head`"
                 fi
-        fi
 
-        # Is this git on svn?
-        if git config --get svn-remote.svn.url >/dev/null; then
-                printf -- '-svn%s' "`git svn find-rev $head`"
-        fi
+                # Update index only on r/w media
+                [ -w . ] && git update-index --refresh --unmerged > /dev/null
 
-        # Update index only on r/w media
-        [ -w . ] && git update-index --refresh --unmerged > /dev/null
+                # Check for uncommitted changes
+                if git diff-index --name-only HEAD | grep -v "^scripts/package" \
+                    | read dummy; then
+                        printf '%s' -dirty
+                fi
 
-        # Check for uncommitted changes
-        if git diff-index --name-only HEAD | grep -v "^scripts/package" \
-            | read dummy; then
-                printf '%s' -dirty
+                # All done with git
+                return
         fi
 
-        # All done with git
-        exit
-fi
+        # Check for mercurial and a mercurial repo.
+        if test -d .hg && hgid=`hg id 2>/dev/null`; then
+                tag=`printf '%s' "$hgid" | cut -s -d' ' -f2`
 
-# Check for mercurial and a mercurial repo.
-if hgid=`hg id 2>/dev/null`; then
-        tag=`printf '%s' "$hgid" | cut -d' ' -f2`
+                # Do we have an untagged version?
+                if [ -z "$tag" -o "$tag" = tip ]; then
+                        id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
+                        printf '%s%s' -hg "$id"
+                fi
+
+                # Are there uncommitted changes?
+                # These are represented by + after the changeset id.
+                case "$hgid" in
+                        *+|*+\ *) printf '%s' -dirty ;;
+                esac
 
-        # Do we have an untagged version?
-        if [ -z "$tag" -o "$tag" = tip ]; then
-                id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
-                printf '%s%s' -hg "$id"
+                # All done with mercurial
+                return
         fi
 
-        # Are there uncommitted changes?
-        # These are represented by + after the changeset id.
-        case "$hgid" in
-                *+|*+\ *) printf '%s' -dirty ;;
-        esac
+        # Check for svn and a svn repo.
+        if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
+                rev=`echo $rev | awk '{print $NF}'`
+                printf -- '-svn%s' "$rev"
 
-        # All done with mercurial
+                # All done with svn
+                return
+        fi
+}
+
+collect_files()
+{
+        local file res
+
+        for file; do
+                case "$file" in
+                *\~*)
+                        continue
+                        ;;
+                esac
+                if test -e "$file"; then
+                        res="$res$(cat "$file")"
+                fi
+        done
+        echo "$res"
+}
+
+if $scm_only; then
+        if test ! -e .scmversion; then
+                res=$(scm_version)
+                echo "$res" >.scmversion
+        fi
         exit
 fi
 
-# Check for svn and a svn repo.
-if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
-        rev=`echo $rev | awk '{print $NF}'`
-        printf -- '-svn%s' "$rev"
+if test -e include/config/auto.conf; then
+        . include/config/auto.conf
+else
+        echo "Error: kernelrelease not valid - run 'make prepare' to update it"
+        exit 1
+fi
 
-        # All done with svn
-        exit
+# localversion* files in the build and source directory
+res="$(collect_files localversion*)"
+if test ! "$srctree" -ef .; then
+        res="$res$(collect_files "$srctree"/localversion*)"
+fi
+
+# CONFIG_LOCALVERSION and LOCALVERSION (if set)
+res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
+
+# scm version string if not at a tagged commit
+if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
+        # full scm version string
+        res="$res$(scm_version)"
+else
+        # append a plus sign if the repository is not in a clean
+        # annotated or signed tagged state (as git describe only
+        # looks at signed or annotated tags - git tag -a/-s) and
+        # LOCALVERSION= is not specified
+        if test "${LOCALVERSION+set}" != "set"; then
+                scm=$(scm_version --short)
+                res="$res${scm:++}"
+        fi
 fi
+
+echo "$res"
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 8509bb51293..92fdc454614 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -123,9 +123,11 @@ exuberant()
         -I ____cacheline_internodealigned_in_smp                \
         -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
         -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
-        --extra=+f --c-kinds=-px                                \
+        --extra=+f --c-kinds=+px                                \
         --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'                  \
-        --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'
+        --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
+        --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/'               \
+        --regex-c++='/^DEFINE_EVENT\(([^,)]*).*/trace_\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --langdef=kconfig --language-force=kconfig              \
diff --git a/scripts/xz_wrap.sh b/scripts/xz_wrap.sh
new file mode 100644
index 00000000000..17a5798c29d
--- /dev/null
+++ b/scripts/xz_wrap.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# This is a wrapper for xz to compress the kernel image using appropriate
+# compression options depending on the architecture.
+#
+# Author: Lasse Collin <lasse.collin@tukaani.org>
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+BCJ=
+LZMA2OPTS=
+
+case $ARCH in
+        x86|x86_64)     BCJ=--x86 ;;
+        powerpc)        BCJ=--powerpc ;;
+        ia64)           BCJ=--ia64; LZMA2OPTS=pb=4 ;;
+        arm)            BCJ=--arm ;;
+        sparc)          BCJ=--sparc ;;
+esac
+
+exec xz --check=crc32 $BCJ --lzma2=$LZMA2OPTS,dict=32MiB