Merge branch 'akpm' (Andrew's incoming)

Quoth Andrew:

 - Most of MM.  Still waiting for the poweroc guys to get off their
   butts and review some threaded hugepages patches.

 - alpha

 - vfs bits

 - drivers/misc

 - a few core kerenl tweaks

 - printk() features

 - MAINTAINERS updates

 - backlight merge

 - leds merge

 - various lib/ updates

 - checkpatch updates

* akpm: (127 commits)
  epoll: fix spurious lockdep warnings
  checkpatch: add a --strict check for utf-8 in commit logs
  kernel.h/checkpatch: mark strict_strto<foo> and simple_strto<foo> as obsolete
  llist-return-whether-list-is-empty-before-adding-in-llist_add-fix
  wireless: at76c50x: follow rename pack_hex_byte to hex_byte_pack
  fat: follow rename pack_hex_byte() to hex_byte_pack()
  security: follow rename pack_hex_byte() to hex_byte_pack()
  kgdb: follow rename pack_hex_byte() to hex_byte_pack()
  lib: rename pack_hex_byte() to hex_byte_pack()
  lib/string.c: fix strim() semantics for strings that have only blanks
  lib/idr.c: fix comment for ida_get_new_above()
  lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef
  lib/bitmap.c: quiet sparse noise about address space
  lib/spinlock_debug.c: print owner on spinlock lockup
  lib/kstrtox: common code between kstrto*() and simple_strto*() functions
  drivers/leds/leds-lp5521.c: check if reset is successful
  leds: turn the blink_timer off before starting to blink
  leds: save the delay values after a successful call to blink_set()
  drivers/leds/leds-gpio.c: use gpio_get_value_cansleep() when initializing
  drivers/leds/leds-lm3530.c: add __devexit_p where needed
  ...

1 files changed, 29 insertions, 7 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 0b3e35c9ef08..5e93342d22f9 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -240,9 +240,8 @@ our $NonptrType;
 our $Type;
 our $Declare;
 
-our $UTF8       = qr {
-        [\x09\x0A\x0D\x20-\x7E]              # ASCII
-        | [\xC2-\xDF][\x80-\xBF]             # non-overlong 2-byte
+our $NON_ASCII_UTF8     = qr{
+        [\xC2-\xDF][\x80-\xBF]               # non-overlong 2-byte
         |  \xE0[\xA0-\xBF][\x80-\xBF]        # excluding overlongs
         | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}  # straight 3-byte
         |  \xED[\x80-\x9F][\x80-\xBF]        # excluding surrogates
@@ -251,6 +250,11 @@ our $UTF8	= qr {
         |  \xF4[\x80-\x8F][\x80-\xBF]{2}     # plane 16
 }x;
 
+our $UTF8       = qr{
+        [\x09\x0A\x0D\x20-\x7E]              # ASCII
+        | $NON_ASCII_UTF8
+}x;
+
 our $typeTypedefs = qr{(?x:
         (?:__)?(?:u|s|be|le)(?:8|16|32|64)|
         atomic_t
@@ -1330,6 +1334,9 @@ sub process {
         my $signoff = 0;
         my $is_patch = 0;
 
+        my $in_header_lines = 1;
+        my $in_commit_log = 0;          #Scanning lines before patch
+
         our @report = ();
         our $cnt_lines = 0;
         our $cnt_error = 0;
@@ -1497,7 +1504,6 @@ sub process {
                 if ($line =~ /^diff --git.*?(\S+)$/) {
                         $realfile = $1;
                         $realfile =~ s@^([^/]*)/@@;
-
                 } elsif ($line =~ /^\+\+\+\s+(\S+)/) {
                         $realfile = $1;
                         $realfile =~ s@^([^/]*)/@@;
@@ -1536,6 +1542,7 @@ sub process {
 # Check the patch for a signoff:
                 if ($line =~ /^\s*signed-off-by:/i) {
                         $signoff++;
+                        $in_commit_log = 0;
                 }
 
 # Check signature styles
@@ -1613,6 +1620,21 @@ sub process {
                             "Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
                 }
 
+# Check if it's the start of a commit log
+# (not a header line and we haven't seen the patch filename)
+                if ($in_header_lines && $realfile =~ /^$/ &&
+                    $rawline !~ /^(commit\b|from\b|\w+:).+$/i) {
+                        $in_header_lines = 0;
+                        $in_commit_log = 1;
+                }
+
+# Still not yet in a patch, check for any UTF-8
+                if ($in_commit_log && $realfile =~ /^$/ &&
+                    $rawline =~ /$NON_ASCII_UTF8/) {
+                        CHK("UTF8_BEFORE_PATCH",
+                            "8-bit UTF-8 used in possible commit log\n" . $herecurr);
+                }
+
 # ignore non-hunk lines and lines being removed
                 next if (!$hunk_line || $line =~ /^-/);
 
@@ -3151,10 +3173,10 @@ sub process {
                              "consider using a completion\n" . $herecurr);
 
                 }
-# recommend kstrto* over simple_strto*
-                if ($line =~ /\bsimple_(strto.*?)\s*\(/) {
+# recommend kstrto* over simple_strto* and strict_strto*
+                if ($line =~ /\b((simple|strict)_(strto(l|ll|ul|ull)))\s*\(/) {
                         WARN("CONSIDER_KSTRTO",
-                             "consider using kstrto* in preference to simple_$1\n" . $herecurr);
+                             "$1 is obsolete, use k$3 instead\n" . $herecurr);
                 }
 # check for __initcall(), use device_initcall() explicitly please
                 if ($line =~ /^.\s*__initcall\s*\(/) {