25 files changed, 963 insertions, 91 deletions

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e4deb73e9a84..a1a5cf95a68d 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
@@ -192,16 +195,16 @@ 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
 
@@ -248,10 +251,10 @@ $(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.headersinst b/scripts/Makefile.headersinst
index 0fcd83838771..f89cb87f5c01 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 000000000000..d03608f5db04
--- /dev/null
+++ b/scripts/Makefile.help
@@ -0,0 +1,3 @@
+
+checker-help:
+        @echo  '  coccicheck      - Check with Coccinelle.'
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 8f14c81abbc7..7d22056582c1 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/checkkconfigsymbols.sh b/scripts/checkkconfigsymbols.sh
index 46be3c5a62b7..2ca49bb31efc 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 bd88f11b0953..2039acdf5122 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -195,7 +195,7 @@ our $typeTypedefs = qr{(?x:
 our $logFunctions = qr{(?x:
         printk|
         pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)|
-        dev_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
+        (dev|netdev|netif)_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
         WARN|
         panic
 )};
@@ -224,6 +224,12 @@ 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)";
@@ -552,6 +558,9 @@ sub ctx_statement_block {
                         $type = ($level != 0)? '{' : '';
 
                         if ($level == 0) {
+                                if (substr($blk, $off + 1, 1) eq ';') {
+                                        $off++;
+                                }
                                 last;
                         }
                 }
@@ -1403,7 +1412,8 @@ sub process {
 #80 column limit
                 if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
                     $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
-                    $line !~ /^\+\s*$logFunctions\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);
@@ -1448,6 +1458,13 @@ sub process {
                         WARN("please, no space before tabs\n" . $herevet);
                 }
 
+# check for spaces at the beginning of a line.
+                if ($rawline =~ /^\+ / && $rawline !~ /\+ +\*/)  {
+                        my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+                        WARN("please, no space for starting a line, \
+                                excluding comments\n" . $herevet);
+                }
+
 # check we are in a valid C source file if not then ignore this hunk
                 next if ($realfile !~ /\.(h|c)$/);
 
@@ -1778,9 +1795,9 @@ 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.
@@ -2308,7 +2325,7 @@ 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);
@@ -2570,6 +2587,21 @@ 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";
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 66ad375612f2..6bb42e72e0e5 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -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
diff --git a/scripts/coccicheck b/scripts/coccicheck
new file mode 100755
index 000000000000..b8bcf1f7bed7
--- /dev/null
+++ b/scripts/coccicheck
@@ -0,0 +1,80 @@
+#!/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=$1
+else
+    ONLINE=0
+    FLAGS="-very_quiet"
+fi
+
+if [ ! -x "$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 specify the mode to use. Fallback to "report".'
+        echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
+        echo 'Available modes are: report, patch, context, org'
+    fi
+    MODE="report"
+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 syntaxically 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 $COCCI` with option(s) \"$OPT\""
+        echo 'Message example to submit a patch:'
+
+        sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
+
+        echo ' The semantic patch that makes this change is available'
+        echo " in $FILE."
+        echo ''
+        echo ' More information about semantic patching is available at'
+        echo ' http://coccinelle.lip6.fr/'
+        echo ''
+
+        $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT -dir $srctree || 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/alloc/drop_kmalloc_cast.cocci b/scripts/coccinelle/alloc/drop_kmalloc_cast.cocci
new file mode 100644
index 000000000000..7d4771d449c3
--- /dev/null
+++ b/scripts/coccinelle/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/alloc/kzalloc-simple.cocci b/scripts/coccinelle/alloc/kzalloc-simple.cocci
new file mode 100644
index 000000000000..2eae828fc657
--- /dev/null
+++ b/scripts/coccinelle/alloc/kzalloc-simple.cocci
@@ -0,0 +1,82 @@
+///
+/// kzalloc should be used rather than kmalloc followed by memset 0
+///
+// 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/deref_null.cocci b/scripts/coccinelle/deref_null.cocci
new file mode 100644
index 000000000000..9969d76d0f4b
--- /dev/null
+++ b/scripts/coccinelle/deref_null.cocci
@@ -0,0 +1,293 @@
+///
+/// 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 patch
+virtual org
+virtual report
+
+@initialize:python depends on !context && patch && !org && !report@
+
+import sys
+print >> sys.stderr, "This semantic patch does not support the 'patch' mode."
+
+@depends on patch@
+@@
+
+this_rule_should_never_matches();
+
+@ifm depends on !patch@
+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 depends on !patch expression@
+expression *ifm.E;
+identifier f;
+position p1;
+@@
+
+ (E != NULL && ...) ? <+...E->f@p1...+> : ...
+
+@pr2 depends on !patch 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 && !patch && (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 && !patch && !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 && !patch && 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 && !patch && (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 && !patch && !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 && !patch && 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 && !patch && !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 depends on !patch@
+expression *E;
+statement S1,S2;
+position p1;
+@@
+
+if@p1 ((E == NULL && ...) || ...) S1 else S2
+
+@pr11 depends on !patch expression@
+expression *ifm1.E;
+identifier f;
+position p1;
+@@
+
+ (E != NULL && ...) ? <+...E->f@p1...+> : ...
+
+@pr12 depends on !patch 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 && !patch && !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/err_cast.cocci b/scripts/coccinelle/err_cast.cocci
new file mode 100644
index 000000000000..2ce115000af6
--- /dev/null
+++ b/scripts/coccinelle/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/resource_size.cocci b/scripts/coccinelle/resource_size.cocci
new file mode 100644
index 000000000000..1935a58b39d9
--- /dev/null
+++ b/scripts/coccinelle/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/decodecode b/scripts/decodecode
index 8b30cc36744f..18ba881c3415 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/fstree.c b/scripts/dtc/fstree.c
index 766b2694d935..8fe1bdf239f0 100644
--- a/scripts/dtc/fstree.c
+++ b/scripts/dtc/fstree.c
@@ -77,6 +77,7 @@ static struct node *read_fstree(const char *dirname)
                 free(tmpnam);
         }
 
+        closedir(d);
         return tree;
 }
 
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index 6a36a76e6606..624f6502e03e 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/conf.c b/scripts/kconfig/conf.c
index 4f0ed5b3a75e..5b7c86ea43a1 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -599,12 +599,12 @@ int main(int ac, char **av)
                 break;
         case savedefconfig:
                 break;
-        case oldconfig:
         case oldaskconfig:
                 rootEntry = &rootmenu;
                 conf(&rootmenu);
                 input_mode = silentoldconfig;
                 /* fall through */
+        case oldconfig:
         case listnewconfig:
         case oldnoconfig:
         case silentoldconfig:
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index fcdfb245a575..102e1235fd5c 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1454,6 +1454,8 @@ 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;
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 5758aab0d8bb..88f3f07205f8 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -884,16 +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;
         }
 
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f6127b9f5aca..1ec7158b6c1f 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;
 }
 
@@ -519,7 +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:
@@ -661,19 +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
@@ -742,6 +790,7 @@ static const char *section_white_list[] =
 {
         ".comment*",
         ".debug*",
+        ".GCC-command-line",    /* mn10300 */
         ".mdebug*",        /* alpha, score, mips etc. */
         ".pdr",            /* alpha, score, mips etc. */
         ".stab*",
@@ -986,6 +1035,13 @@ 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.
@@ -1020,6 +1076,12 @@ 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) &&
@@ -1052,11 +1114,14 @@ 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;
@@ -1118,9 +1183,9 @@ 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))
@@ -1167,7 +1232,7 @@ static char *sec2annotation(const char *s)
                         strcat(p, " ");
                 return r; /* we leak her but we do not care */
         } else {
-                return "";
+                return strdup("");
         }
 }
 
@@ -1195,6 +1260,8 @@ 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;
@@ -1218,16 +1285,21 @@ 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"
@@ -1235,20 +1307,24 @@ 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"
@@ -1256,24 +1332,31 @@ 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"
@@ -1282,11 +1365,15 @@ 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"
@@ -1295,16 +1382,20 @@ 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");
@@ -1316,7 +1407,7 @@ 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;
@@ -1344,7 +1435,7 @@ 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;
@@ -1452,7 +1543,7 @@ 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);
         }
@@ -1510,7 +1601,7 @@ 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);
         }
@@ -1535,7 +1626,7 @@ 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 be987a44f250..0388cfccac8d 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/package/Makefile b/scripts/package/Makefile
index d2c29b63adda..d0b931b994fc 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -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/builddeb b/scripts/package/builddeb
index 07f2fbde2abf..5f1e2fc7f171 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -148,10 +148,11 @@ EOF
 # Generate a control file
 cat <<EOF > debian/control
 Source: linux-upstream
-Section: admin
+Section: kernel
 Priority: optional
 Maintainer: $maintainer
-Standards-Version: 3.8.1
+Standards-Version: 3.8.4
+Homepage: http://www.kernel.org/
 EOF
 
 if [ "$ARCH" = "um" ]; then
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index f3c9c0a90b98..0171060b5fd6 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -326,7 +326,7 @@ if ($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\$";
     }
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 64a9cb5556cd..e90a91cc5185 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -86,7 +86,7 @@ scm_version()
 
         # Check for mercurial and a mercurial repo.
         if hgid=`hg id 2>/dev/null`; then
-                tag=`printf '%s' "$hgid" | cut -d' ' -f2`
+                tag=`printf '%s' "$hgid" | cut -s -d' ' -f2`
 
                 # Do we have an untagged version?
                 if [ -z "$tag" -o "$tag" = tip ]; then