Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  kbuild, modpost: Check the section flags, to catch missing "ax"/"aw"
  kbuild: fix comment in modpost.c
  kbuild: fix scripts/setlocalversion with git
  kbuild: fix Module.markers permission error under cygwin
  docs: also clean index.html
  kbuild: remove a tag file before it is regenerated
  kbuild: "make prepare" should be "make modules_prepare"
  kbuild: clean Module.markers and modules.order for out-of-tree modules
  avr32: drop unused CLEAN_FILES

6 files changed, 36 insertions, 47 deletions

diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index 8918a32c6b3a..b1eb661e6302 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -143,7 +143,8 @@ quiet_cmd_db2pdf = PDF     $@
         $(call cmd,db2pdf)
 
 
-main_idx = Documentation/DocBook/index.html
+index = index.html
+main_idx = Documentation/DocBook/$(index)
 build_main_index = rm -rf $(main_idx) && \
                    echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \
                    echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \
@@ -232,7 +233,7 @@ clean-files := $(DOCBOOKS) \
         $(patsubst %.xml, %.pdf,  $(DOCBOOKS)) \
         $(patsubst %.xml, %.html, $(DOCBOOKS)) \
         $(patsubst %.xml, %.9,    $(DOCBOOKS)) \
-        $(C-procfs-example)
+        $(C-procfs-example) $(index)
 
 clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
 
diff --git a/Makefile b/Makefile
index eb38c8399261..b18afad2e100 100644
--- a/Makefile
+++ b/Makefile
@@ -1293,7 +1293,7 @@ help:
         @echo  '  dir/            - Build all files in dir and below'
         @echo  '  dir/file.[ois]  - Build specified target only'
         @echo  '  dir/file.ko     - Build module including final link'
-        @echo  '  prepare         - Set up for building external modules'
+        @echo  '  modules_prepare - Set up for building external modules'
         @echo  '  tags/TAGS       - Generate tags file for editors'
         @echo  '  cscope          - Generate cscope index'
         @echo  '  kernelrelease   - Output the release version string'
@@ -1421,7 +1421,9 @@ $(clean-dirs):
         $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
 
 clean:  rm-dirs := $(MODVERDIR)
-clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers
+clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \
+                   $(KBUILD_EXTMOD)/Module.markers \
+                   $(KBUILD_EXTMOD)/modules.order
 clean: $(clean-dirs)
         $(call cmd,rmdirs)
         $(call cmd,rmfiles)
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index 0b97e14f73f6..c21a3290d542 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -43,8 +43,6 @@ core-y					+= arch/avr32/mm/
 drivers-$(CONFIG_OPROFILE)              += arch/avr32/oprofile/
 libs-y                                  += arch/avr32/lib/
 
-CLEAN_FILES += include/asm-avr32/.arch include/asm-avr32/arch
-
 BOOT_TARGETS := vmlinux.elf vmlinux.bin uImage uImage.srec
 
 .PHONY: $(BOOT_TARGETS) install
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 8d46ea7d6715..936b6f8e46ff 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -716,41 +716,27 @@ int match(const char *sym, const char * const pat[])
 
 /* sections that we do not want to do full section mismatch check on */
 static const char *section_white_list[] =
-        { ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL };
+        { ".comment", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL };
 
 /*
- * Is this section one we do not want to check?
- * This is often debug sections.
- * If we are going to check this section then
- * test if section name ends with a dot and a number.
- * This is used to find sections where the linker have
- * appended a dot-number to make the name unique.
+ * This is used to find sections missing the SHF_ALLOC flag.
  * The cause of this is often a section specified in assembler
- * without "ax" / "aw" and the same section used in .c
- * code where gcc add these.
+ * without "ax" / "aw".
  */
-static int check_section(const char *modname, const char *sec)
-{
-        const char *e = sec + strlen(sec) - 1;
-        if (match(sec, section_white_list))
-                return 1;
-
-        if (*e && isdigit(*e)) {
-                /* consume all digits */
-                while (*e && e != sec && isdigit(*e))
-                        e--;
-                if (*e == '.' && !strstr(sec, ".linkonce")) {
-                        warn("%s (%s): unexpected section name.\n"
-                             "The (.[number]+) following section name are "
-                             "ld generated and not expected.\n"
-                             "Did you forget to use \"ax\"/\"aw\" "
-                             "in a .S file?\n"
-                             "Note that for example <linux/init.h> contains\n"
-                             "section definitions for use in .S files.\n\n",
-                             modname, sec);
-                }
+static void check_section(const char *modname, struct elf_info *elf,
+                          Elf_Shdr *sechdr)
+{
+        const char *sec = sech_name(elf, sechdr);
+
+        if (sechdr->sh_type == SHT_PROGBITS &&
+            !(sechdr->sh_flags & SHF_ALLOC) &&
+            !match(sec, section_white_list)) {
+                warn("%s (%s): unexpected non-allocatable section.\n"
+                     "Did you forget to use \"ax\"/\"aw\" in a .S file?\n"
+                     "Note that for example <linux/init.h> contains\n"
+                     "section definitions for use in .S files.\n\n",
+                     modname, sec);
         }
-        return 0;
 }
 
 
@@ -928,8 +914,7 @@ static int section_mismatch(const char *fromsec, const char *tosec)
  *           *probe_one, *_console, *_timer
  *
  * Pattern 3:
- *   Whitelist all refereces from .text.head to .init.data
- *   Whitelist all refereces from .text.head to .init.text
+ *   Whitelist all references from .head.text to any init section
  *
  * Pattern 4:
  *   Some symbols belong to init section but still it is ok to reference
@@ -1359,7 +1344,7 @@ static void section_rela(const char *modname, struct elf_info *elf,
         fromsec = sech_name(elf, sechdr);
         fromsec += strlen(".rela");
         /* if from section (name) is know good then skip it */
-        if (check_section(modname, fromsec))
+        if (match(fromsec, section_white_list))
                 return;
 
         for (rela = start; rela < stop; rela++) {
@@ -1403,7 +1388,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
         fromsec = sech_name(elf, sechdr);
         fromsec += strlen(".rel");
         /* if from section (name) is know good then skip it */
-        if (check_section(modname, fromsec))
+        if (match(fromsec, section_white_list))
                 return;
 
         for (rel = start; rel < stop; rel++) {
@@ -1466,6 +1451,7 @@ static void check_sec_ref(struct module *mod, const char *modname,
 
         /* Walk through all sections */
         for (i = 0; i < elf->hdr->e_shnum; 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)
                         section_rela(modname, elf, &elf->sechdrs[i]);
@@ -1990,6 +1976,7 @@ static void read_markers(const char *fname)
                 if (!mod->skip)
                         add_marker(mod, marker, fmt);
         }
+        release_file(file, size);
         return;
 fail:
         fatal("parse error in markers list file\n");
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 47e75b69a2e9..32c8554f3946 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -10,13 +10,12 @@ cd "${1:-.}" || usage
 
 # Check for git and a git repo.
 if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
-        # Do we have an untagged version?
-        if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
-                if tag=`git describe 2>/dev/null`; then
-                        echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
-                else
-                        printf '%s%s' -g $head
-                fi
+        # Do we have an untagged tag?
+        if atag=`git describe 2>/dev/null`; then
+                echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+        # add -g${head}, if there is no usable tag
+        else
+                printf '%s%s' -g $head
         fi
 
         # Is this git on svn?
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 5bd8b1003d44..4a34ec591e8c 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -164,10 +164,12 @@ case "$1" in
                 ;;
 
         "tags")
+                rm -f tags
                 xtags ctags
                 ;;
 
         "TAGS")
+                rm -f TAGS
                 xtags etags
                 ;;
 esac