46 files changed, 1431 insertions, 120 deletions

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 8a9a4e1c7eab..65e7b08bb2cc 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -171,13 +171,13 @@ ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3))
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
 # Usage:
 # $(Q)$(MAKE) $(build)=dir
-build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
+build := -f $(srctree)/scripts/Makefile.build obj
 
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
 # Usage:
 # $(Q)$(MAKE) $(modbuiltin)=dir
-modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj
+modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
 
 # Prefix -I with $(srctree) if it is not an absolute path.
 # skip if -I has no parameter
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index bf3e6778cd71..649ce6844033 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -79,11 +79,11 @@ endif
 
 # ===========================================================================
 
-ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
+ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
 lib-target := $(obj)/lib.a
 endif
 
-ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
 builtin-target := $(obj)/built-in.o
 endif
 
@@ -382,16 +382,14 @@ cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalys
 quiet_cmd_link_multi-m = LD [M]  $@
 cmd_link_multi-m = $(cmd_link_multi-y)
 
-# We would rather have a list of rules like
-#       foo.o: $(foo-objs)
-# but that's not so easy, so we rather make all composite objects depend
-# on the set of all their parts
-$(multi-used-y) : %.o: $(multi-objs-y) FORCE
+$(multi-used-y): FORCE
         $(call if_changed,link_multi-y)
+$(call multi_depend, $(multi-used-y), .o, -objs -y)
 
-$(multi-used-m) : %.o: $(multi-objs-m) FORCE
+$(multi-used-m): FORCE
         $(call if_changed,link_multi-m)
         @{ echo $(@:.o=.ko); echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod)
+$(call multi_depend, $(multi-used-m), .o, -objs -y)
 
 targets += $(multi-used-y) $(multi-used-m)
 
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index a651cee84f2a..b1c668dc6815 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -10,7 +10,7 @@ __clean:
 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
 # Usage:
 # $(Q)$(MAKE) $(clean)=dir
-clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
+clean := -f $(srctree)/scripts/Makefile.clean obj
 
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
@@ -23,15 +23,13 @@ __subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
 subdir-y        += $(__subdir-y)
 __subdir-m      := $(patsubst %/,%,$(filter %/, $(obj-m)))
 subdir-m        += $(__subdir-m)
-__subdir-n      := $(patsubst %/,%,$(filter %/, $(obj-n)))
-subdir-n        += $(__subdir-n)
 __subdir-       := $(patsubst %/,%,$(filter %/, $(obj-)))
 subdir-         += $(__subdir-)
 
 # Subdirectories we need to descend into
 
 subdir-ym       := $(sort $(subdir-y) $(subdir-m))
-subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
+subdir-ymn      := $(sort $(subdir-ym) $(subdir-))
 
 # Add subdir path
 
diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst
index d8e335eed226..5b698add4f31 100644
--- a/scripts/Makefile.fwinst
+++ b/scripts/Makefile.fwinst
@@ -2,7 +2,7 @@
 # Installing firmware
 #
 # We don't include the .config, so all firmware files are in $(fw-shipped-)
-# rather than in $(fw-shipped-y) or $(fw-shipped-n).
+# rather than in $(fw-shipped-y) or $(fw-shipped-m).
 # ==========================================================================
 
 INSTALL := install
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index ab5980f91714..133edfae5b8a 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -96,8 +96,9 @@ quiet_cmd_host-cmulti	= HOSTLD  $@
       cmd_host-cmulti   = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
                           $(addprefix $(obj)/,$($(@F)-objs)) \
                           $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cmulti): $(obj)/%: $(host-cobjs) FORCE
+$(host-cmulti): FORCE
         $(call if_changed,host-cmulti)
+$(call multi_depend, $(host-cmulti), , -objs)
 
 # Create .o file from a single .c file
 # host-cobjs -> .o
@@ -113,8 +114,9 @@ quiet_cmd_host-cxxmulti	= HOSTLD  $@
                           $(foreach o,objs cxxobjs,\
                           $(addprefix $(obj)/,$($(@F)-$(o)))) \
                           $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) FORCE
+$(host-cxxmulti): FORCE
         $(call if_changed,host-cxxmulti)
+$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
 
 # Create .o file from a single .cc (C++) file
 quiet_cmd_host-cxxobjs  = HOSTCXX $@
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 260bf8acfce9..54be19a0fa51 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -159,6 +159,15 @@ dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
 modname-multi = $(sort $(foreach m,$(multi-used),\
                 $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
 
+# Useful for describing the dependency of composite objects
+# Usage:
+#   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
+define multi_depend
+$(foreach m, $(notdir $1), \
+        $(eval $(obj)/$m: \
+        $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
+endef
+
 ifdef REGENERATE_PARSERS
 
 # GPERF
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 95ec7b35e8b6..e48a4e9d8868 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -18,7 +18,12 @@ __modinst: $(modules)
 
 # Don't stop modules_install if we can't sign external modules.
 quiet_cmd_modules_install = INSTALL $@
-      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD))
+      cmd_modules_install = \
+    mkdir -p $(2) ; \
+    cp $@ $(2) ; \
+    $(mod_strip_cmd) $(2)/$(notdir $@) ; \
+    $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD)) ; \
+    $(mod_compress_cmd) $(2)/$(notdir $@)
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra
diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign
index abfda626dbad..b6ac7084da79 100644
--- a/scripts/Makefile.modsign
+++ b/scripts/Makefile.modsign
@@ -7,7 +7,7 @@ __modsign:
 
 include scripts/Kbuild.include
 
-__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
+__modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
 modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
 
 PHONY += $(modules)
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 549d0ab8c662..23e78dcd12bf 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -20,6 +20,8 @@ def getsizes(file):
         if type in "tTdDbBrR":
             # strip generated symbols
             if name.startswith("__mod_"): continue
+            if name.startswith("SyS_"): continue
+            if name.startswith("compat_SyS_"): continue
             if name == "linux_banner": continue
             # statics and some other optimizations adds random .NUMBER
             name = re.sub(r'\.[0-9]+', '', name)
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 9ca667bcaee9..9ca667bcaee9 100644..100755
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 31a731e06f50..374abf443636 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -9,7 +9,8 @@ use strict;
 use POSIX;
 
 my $P = $0;
-$P =~ s@.*/@@g;
+$P =~ s@(.*)/@@g;
+my $D = $1;
 
 my $V = '0.32';
 
@@ -43,6 +44,8 @@ my $configuration_file = ".checkpatch.conf";
 my $max_line_length = 80;
 my $ignore_perl_version = 0;
 my $minimum_perl_version = 5.10.0;
+my $min_conf_desc_length = 4;
+my $spelling_file = "$D/spelling.txt";
 
 sub help {
         my ($exitcode) = @_;
@@ -63,6 +66,7 @@ Options:
   --types TYPE(,TYPE2...)    show only these comma separated message types
   --ignore TYPE(,TYPE2...)   ignore various comma separated message types
   --max-line-length=n        set the maximum line length, if exceeded, warn
+  --min-conf-desc-length=n   set the min description length, if shorter, warn
   --show-types               show the message "types" in the output
   --root=PATH                PATH to the kernel tree root
   --no-summary               suppress the per-file summary
@@ -131,6 +135,7 @@ GetOptions(
         'types=s'       => \@use,
         'show-types!'   => \$show_types,
         'max-line-length=i' => \$max_line_length,
+        'min-conf-desc-length=i' => \$min_conf_desc_length,
         'root=s'        => \$root,
         'summary!'      => \$summary,
         'mailback!'     => \$mailback,
@@ -425,10 +430,35 @@ foreach my $entry (@mode_permission_funcs) {
 
 our $allowed_asm_includes = qr{(?x:
         irq|
-        memory
+        memory|
+        time|
+        reboot
 )};
 # memory.h: ARM has a custom one
 
+# Load common spelling mistakes and build regular expression list.
+my $misspellings;
+my @spelling_list;
+my %spelling_fix;
+open(my $spelling, '<', $spelling_file)
+    or die "$P: Can't open $spelling_file for reading: $!\n";
+while (<$spelling>) {
+        my $line = $_;
+
+        $line =~ s/\s*\n?$//g;
+        $line =~ s/^\s*//g;
+
+        next if ($line =~ m/^\s*#/);
+        next if ($line =~ m/^\s*$/);
+
+        my ($suspect, $fix) = split(/\|\|/, $line);
+
+        push(@spelling_list, $suspect);
+        $spelling_fix{$suspect} = $fix;
+}
+close($spelling);
+$misspellings = join("|", @spelling_list);
+
 sub build_types {
         my $mods = "(?x:  \n" . join("|\n  ", @modifierList) . "\n)";
         my $all = "(?x:  \n" . join("|\n  ", @typeList) . "\n)";
@@ -2133,7 +2163,10 @@ sub process {
 # Check for improperly formed commit descriptions
                 if ($in_commit_log &&
                     $line =~ /\bcommit\s+[0-9a-f]{5,}/i &&
-                    $line !~ /\b[Cc]ommit [0-9a-f]{12,16} \("/) {
+                    !($line =~ /\b[Cc]ommit [0-9a-f]{12,40} \("/ ||
+                      ($line =~ /\b[Cc]ommit [0-9a-f]{12,40}\s*$/ &&
+                       defined $rawlines[$linenr] &&
+                       $rawlines[$linenr] =~ /^\s*\("/))) {
                         $line =~ /\b(c)ommit\s+([0-9a-f]{5,})/i;
                         my $init_char = $1;
                         my $orig_commit = lc($2);
@@ -2141,7 +2174,7 @@ sub process {
                         my $desc = 'commit description';
                         ($id, $desc) = git_commit_info($orig_commit, $id, $desc);
                         ERROR("GIT_COMMIT_ID",
-                              "Please use 12 to 16 chars for the git commit ID like: '${init_char}ommit $id (\"$desc\")'\n" . $herecurr);
+                              "Please use 12 or more chars for the git commit ID like: '${init_char}ommit $id (\"$desc\")'\n" . $herecurr);
                 }
 
 # Check for added, moved or deleted files
@@ -2212,6 +2245,23 @@ sub process {
                             "8-bit UTF-8 used in possible commit log\n" . $herecurr);
                 }
 
+# Check for various typo / spelling mistakes
+                if ($in_commit_log || $line =~ /^\+/) {
+                        while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:$|[^a-z@])/gi) {
+                                my $typo = $1;
+                                my $typo_fix = $spelling_fix{lc($typo)};
+                                $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);
+                                $typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/);
+                                my $msg_type = \&WARN;
+                                $msg_type = \&CHK if ($file);
+                                if (&{$msg_type}("TYPO_SPELLING",
+                                                 "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) &&
+                                    $fix) {
+                                        $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/;
+                                }
+                        }
+                }
+
 # ignore non-hunk lines and lines being removed
                 next if (!$hunk_line || $line =~ /^-/);
 
@@ -2280,8 +2330,10 @@ sub process {
                                 }
                                 $length++;
                         }
-                        WARN("CONFIG_DESCRIPTION",
-                             "please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_start && $is_end && $length < 4);
+                        if ($is_start && $is_end && $length < $min_conf_desc_length) {
+                                WARN("CONFIG_DESCRIPTION",
+                                     "please write a paragraph that describes the config symbol fully\n" . $herecurr);
+                        }
                         #print "is_start<$is_start> is_end<$is_end> length<$length>\n";
                 }
 
@@ -2338,7 +2390,7 @@ sub process {
                 }
 
 # check we are in a valid source file if not then ignore this hunk
-                next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
+                next if ($realfile !~ /\.(h|c|s|S|pl|sh|dtsi|dts)$/);
 
 #line length limit
                 if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
@@ -2399,7 +2451,7 @@ sub process {
                 }
 
 # check we are in a valid source file C or perl if not then ignore this hunk
-                next if ($realfile !~ /\.(h|c|pl)$/);
+                next if ($realfile !~ /\.(h|c|pl|dtsi|dts)$/);
 
 # at the beginning of a line any tabs must come first and anything
 # more than 8 must use tabs.
@@ -2421,7 +2473,7 @@ sub process {
                                 "please, no space before tabs\n" . $herevet) &&
                             $fix) {
                                 while ($fixed[$fixlinenr] =~
-                                           s/(^\+.*) {8,8}+\t/$1\t\t/) {}
+                                           s/(^\+.*) {8,8}\t/$1\t\t/) {}
                                 while ($fixed[$fixlinenr] =~
                                            s/(^\+.*) +\t/$1\t/) {}
                         }
@@ -2589,10 +2641,14 @@ sub process {
                 next if ($realfile !~ /\.(h|c)$/);
 
 # check indentation of any line with a bare else
+# (but not if it is a multiple line "if (foo) return bar; else return baz;")
 # if the previous line is a break or return and is indented 1 tab more...
                 if ($sline =~ /^\+([\t]+)(?:}[ \t]*)?else(?:[ \t]*{)?\s*$/) {
                         my $tabs = length($1) + 1;
-                        if ($prevline =~ /^\+\t{$tabs,$tabs}(?:break|return)\b/) {
+                        if ($prevline =~ /^\+\t{$tabs,$tabs}break\b/ ||
+                            ($prevline =~ /^\+\t{$tabs,$tabs}return\b/ &&
+                             defined $lines[$linenr] &&
+                             $lines[$linenr] !~ /^[ \+]\t{$tabs,$tabs}return/)) {
                                 WARN("UNNECESSARY_ELSE",
                                      "else is not generally useful after a break or return\n" . $hereprev);
                         }
@@ -3749,7 +3805,6 @@ sub process {
                         if (ERROR("SPACING",
                                   "space prohibited before that close parenthesis ')'\n" . $herecurr) &&
                             $fix) {
-                                print("fixlinenr: <$fixlinenr> fixed[fixlinenr]: <$fixed[$fixlinenr]>\n");
                                 $fixed[$fixlinenr] =~
                                     s/\s+\)/\)/;
                         }
@@ -4057,12 +4112,17 @@ sub process {
                         my $cnt = $realcnt;
                         my ($off, $dstat, $dcond, $rest);
                         my $ctx = '';
+                        my $has_flow_statement = 0;
+                        my $has_arg_concat = 0;
                         ($dstat, $dcond, $ln, $cnt, $off) =
                                 ctx_statement_block($linenr, $realcnt, 0);
                         $ctx = $dstat;
                         #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n";
                         #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
 
+                        $has_flow_statement = 1 if ($ctx =~ /\b(goto|return)\b/);
+                        $has_arg_concat = 1 if ($ctx =~ /\#\#/);
+
                         $dstat =~ s/^.\s*\#\s*define\s+$Ident(?:\([^\)]*\))?\s*//;
                         $dstat =~ s/$;//g;
                         $dstat =~ s/\\\n.//g;
@@ -4123,10 +4183,23 @@ sub process {
                                               "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx");
                                 } else {
                                         ERROR("COMPLEX_MACRO",
-                                              "Macros with complex values should be enclosed in parenthesis\n" . "$herectx");
+                                              "Macros with complex values should be enclosed in parentheses\n" . "$herectx");
                                 }
                         }
 
+# check for macros with flow control, but without ## concatenation
+# ## concatenation is commonly a macro that defines a function so ignore those
+                        if ($has_flow_statement && !$has_arg_concat) {
+                                my $herectx = $here . "\n";
+                                my $cnt = statement_rawlines($ctx);
+
+                                for (my $n = 0; $n < $cnt; $n++) {
+                                        $herectx .= raw_line($linenr, $n) . "\n";
+                                }
+                                WARN("MACRO_WITH_FLOW_CONTROL",
+                                     "Macros with flow control statements should be avoided\n" . "$herectx");
+                        }
+
 # check for line continuations outside of #defines, preprocessor #, and asm
 
                 } else {
@@ -4335,6 +4408,12 @@ sub process {
                              "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
                 }
 
+# concatenated string without spaces between elements
+                if ($line =~ /"X+"[A-Z_]+/ || $line =~ /[A-Z_]+"X+"/) {
+                        CHK("CONCATENATED_STRING",
+                            "Concatenated strings should use spaces between elements\n" . $herecurr);
+                }
+
 # warn about #if 0
                 if ($line =~ /^.\s*\#\s*if\s+0\b/) {
                         CHK("REDUNDANT_CODE",
@@ -4368,6 +4447,17 @@ sub process {
                         }
                 }
 
+# check for logging functions with KERN_<LEVEL>
+                if ($line !~ /printk\s*\(/ &&
+                    $line =~ /\b$logFunctions\s*\(.*\b(KERN_[A-Z]+)\b/) {
+                        my $level = $1;
+                        if (WARN("UNNECESSARY_KERN_LEVEL",
+                                 "Possible unnecessary $level\n" . $herecurr) &&
+                            $fix) {
+                                $fixed[$fixlinenr] =~ s/\s*$level\s*//;
+                        }
+                }
+
 # check for bad placement of section $InitAttribute (e.g.: __initdata)
                 if ($line =~ /(\b$InitAttribute\b)/) {
                         my $attr = $1;
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 899b4230320e..dd8397894d5c 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -13,7 +13,7 @@
 #       Random bits by Matt Mackall <mpm@selenic.com>
 #       M68k port by Geert Uytterhoeven and Andreas Schwab
 #       AVR32 port by Haavard Skinnemoen (Atmel)
-#       PARISC port by Kyle McMartin <kyle@parisc-linux.org>
+#       AArch64, PARISC ports by Kyle McMartin
 #       sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk>
 #
 #       Usage:
@@ -45,7 +45,10 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
         $x      = "[0-9a-f]";   # hex character
         $xs     = "[0-9a-f ]";  # hex character or space
         $funcre = qr/^$x* <(.*)>:$/;
-        if ($arch eq 'arm') {
+        if ($arch eq 'aarch64') {
+                #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp,#-80]!
+                $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+        } elsif ($arch eq 'arm') {
                 #c0008ffc:      e24dd064        sub     sp, sp, #100    ; 0x64
                 $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
         } elsif ($arch eq 'avr32') {
diff --git a/scripts/coccinelle/misc/simple_return.cocci b/scripts/coccinelle/misc/simple_return.cocci
new file mode 100644
index 000000000000..47f7084b6360
--- /dev/null
+++ b/scripts/coccinelle/misc/simple_return.cocci
@@ -0,0 +1,180 @@
+/// Simplify a trivial if-return sequence.  Possibly combine with a
+/// preceding function call.
+//
+// Confidence: High
+// Copyright: (C) 2014 Julia Lawall, INRIA/LIP6.  GPLv2.
+// Copyright: (C) 2014 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@r depends on patch@
+local idexpression e;
+identifier i,f,fn;
+@@
+
+fn(...) { <...
+- e@i =
++ return
+    f(...);
+-if (i != 0) return i;
+-return 0;
+...> }
+
+@depends on patch@
+identifier r.i;
+type t;
+@@
+
+-t i;
+ ... when != i
+
+@depends on patch@
+expression e;
+@@
+
+-if (e != 0)
+   return e;
+-return 0;
+
+// -----------------------------------------------------------------------
+
+@s1 depends on context || org || report@
+local idexpression e;
+identifier i,f,fn;
+position p,p1,p2;
+@@
+
+fn(...) { <...
+* e@i@p = f(...);
+  if (\(i@p1 != 0\|i@p2 < 0\))
+     return i;
+  return 0;
+...> }
+
+@s2 depends on context || org || report forall@
+identifier s1.i;
+type t;
+position q,s1.p;
+expression e,f;
+@@
+
+* t i@q;
+  ... when != i
+  e@p = f(...);
+
+@s3 depends on context || org || report@
+expression e;
+position p1!=s1.p1;
+position p2!=s1.p2;
+@@
+
+*if (\(e@p1 != 0\|e@p2 < 0\))
+   return e;
+ return 0;
+
+// -----------------------------------------------------------------------
+
+@script:python depends on org@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q;
+@@
+
+cocci.print_main("decl",q)
+cocci.print_secs("use",p)
+cocci.include_match(False)
+
+@script:python depends on org@
+p << s1.p;
+p2 << s1.p2;
+q << s2.q;
+@@
+
+cocci.print_main("decl",q)
+cocci.print_secs("use with questionable test",p)
+cocci.include_match(False)
+
+@script:python depends on org@
+p << s1.p;
+p1 << s1.p1;
+@@
+
+cocci.print_main("use",p)
+
+@script:python depends on org@
+p << s1.p;
+p2 << s1.p2;
+@@
+
+cocci.print_main("use with questionable test",p)
+
+@script:python depends on org@
+p << s3.p1;
+@@
+
+cocci.print_main("test",p)
+
+@script:python depends on org@
+p << s3.p2;
+@@
+
+cocci.print_main("questionable test",p)
+
+// -----------------------------------------------------------------------
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q;
+@@
+
+msg = "WARNING: end returns can be simpified and declaration on line %s can be dropped" % (q[0].line)
+coccilib.report.print_report(p[0],msg)
+cocci.include_match(False)
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q
+;
+@@
+
+msg = "WARNING: end returns may be simpified if negative or 0 value and declaration on line %s can be dropped" % (q[0].line)
+coccilib.report.print_report(p[0],msg)
+cocci.include_match(False)
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+@@
+
+msg = "WARNING: end returns can be simpified"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s1.p;
+p2 << s1.p2;
+@@
+
+msg = "WARNING: end returns can be simpified if negative or 0 value"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s3.p1;
+@@
+
+msg = "WARNING: end returns can be simpified"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s3.p2;
+@@
+
+msg = "WARNING: end returns can be simpified if tested value is negative or 0"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/export_report.pl b/scripts/export_report.pl
index 8f79b701de87..8f79b701de87 100644..100755
--- a/scripts/export_report.pl
+++ b/scripts/export_report.pl
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
index c9469d34ecc6..c9469d34ecc6 100644..100755
--- a/scripts/gcc-goto.sh
+++ b/scripts/gcc-goto.sh
diff --git a/scripts/gcc-ld b/scripts/gcc-ld
index cadab9a13ed7..cadab9a13ed7 100644..100755
--- a/scripts/gcc-ld
+++ b/scripts/gcc-ld
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 7f2126df91f2..7f2126df91f2 100644..100755
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
index 12dbd0b11ea4..12dbd0b11ea4 100644..100755
--- a/scripts/gcc-x86_32-has-stack-protector.sh
+++ b/scripts/gcc-x86_32-has-stack-protector.sh
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 973e8c141567..973e8c141567 100644..100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 17fa901418ae..17fa901418ae 100644..100755
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index 62320f93e903..62320f93e903 100644..100755
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 5de5660cb708..fdebd66f8fc1 100644..100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ $# -lt 1 ]
+if [ $# -lt 2 ]
 then
-        echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]
+        echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]"
         echo
         echo "Prepares kernel header files for use by user space, by removing"
         echo "all compiler.h definitions and #includes, removing any"
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index dc7aa45e80ce..c6d33bd15b04 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -84,7 +84,7 @@ static void usage(void)
  */
 static inline int is_arm_mapping_symbol(const char *str)
 {
-        return str[0] == '$' && strchr("atd", str[1])
+        return str[0] == '$' && strchr("axtd", str[1])
                && (str[2] == '\0' || str[2] == '.');
 }
 
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 9c4d2412fb72..9645c0739386 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -104,6 +104,23 @@ endif
 %_defconfig: $(obj)/conf
         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 
+configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
+
+define mergeconfig
+$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
+$(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
+$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
+endef
+
+PHONY += kvmconfig
+kvmconfig:
+        $(call mergeconfig,kvm_guest)
+
+PHONY += tinyconfig
+tinyconfig: allnoconfig
+        $(call mergeconfig,tiny)
+
 # Help text used by make help
 help:
         @echo  '  config          - Update current config utilising a line-oriented program'
@@ -124,6 +141,8 @@ help:
         @echo  '  randconfig      - New config with random answer to all options'
         @echo  '  listnewconfig   - List new options'
         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their default value'
+        @echo  '  kvmconfig       - Enable additional options for guest kernel support'
+        @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
@@ -157,39 +176,10 @@ qconf-cxxobjs	:= qconf.o
 qconf-objs      := zconf.tab.o
 gconf-objs      := gconf.o zconf.tab.o
 
-hostprogs-y := conf
-
-ifeq ($(MAKECMDGOALS),nconfig)
-        hostprogs-y += nconf
-endif
-
-ifeq ($(MAKECMDGOALS),menuconfig)
-        hostprogs-y += mconf
-endif
-
-ifeq ($(MAKECMDGOALS),update-po-config)
-        hostprogs-y += kxgettext
-endif
-
-ifeq ($(MAKECMDGOALS),xconfig)
-        qconf-target := 1
-endif
-ifeq ($(MAKECMDGOALS),gconfig)
-        gconf-target := 1
-endif
-
-
-ifeq ($(qconf-target),1)
-        hostprogs-y += qconf
-endif
-
-ifeq ($(gconf-target),1)
-        hostprogs-y += gconf
-endif
+hostprogs-y := conf nconf mconf kxgettext qconf gconf
 
 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
-clean-files     += mconf qconf gconf nconf
 clean-files     += config.pot linux.pot
 
 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
@@ -220,11 +210,12 @@ HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 
 HOSTLOADLIBES_nconf     = $(shell \
-                                pkg-config --libs menu panel ncurses 2>/dev/null \
+                                pkg-config --libs menuw panelw ncursesw 2>/dev/null \
+                                || pkg-config --libs menu panel ncurses 2>/dev/null \
                                 || echo "-lmenu -lpanel -lncurses"  )
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
-ifeq ($(qconf-target),1)
+ifeq ($(MAKECMDGOALS),xconfig)
 $(obj)/.tmp_qtcheck: $(src)/Makefile
 -include $(obj)/.tmp_qtcheck
 
@@ -281,7 +272,7 @@ endif
 
 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 
-ifeq ($(gconf-target),1)
+ifeq ($(MAKECMDGOALS),gconfig)
 -include $(obj)/.tmp_gtkcheck
 
 # GTK needs some extra effort, too...
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 9d2a4c585ee1..5075ebf2d3b9 100644..100755
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -21,7 +21,11 @@ ldflags()
 # Where is ncurses.h?
 ccflags()
 {
-        if [ -f /usr/include/ncursesw/curses.h ]; then
+        if pkg-config --cflags ncursesw 2>/dev/null; then
+                echo '-DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1'
+        elif pkg-config --cflags ncurses 2>/dev/null; then
+                echo '-DCURSES_LOC="<ncurses.h>"'
+        elif [ -f /usr/include/ncursesw/curses.h ]; then
                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
                 echo ' -DNCURSES_WIDECHAR=1'
         elif [ -f /usr/include/ncurses/ncurses.h ]; then
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index b4343d384926..fcffd5b41fb0 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -170,7 +170,7 @@ char item_tag(void);
 /* item list manipulation for lxdialog use */
 #define MAXITEMSTR 200
 struct dialog_item {
-        char str[MAXITEMSTR];   /* promtp displayed */
+        char str[MAXITEMSTR];   /* prompt displayed */
         char tag;
         void *data;     /* pointer to menu item - used by menubox+checklist */
         int selected;   /* Set to 1 by dialog_*() function if selected. */
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 9cb8522d8d22..9cb8522d8d22 100644..100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 16a07cfa4d34..70bea942b413 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2085,6 +2085,7 @@ sub dump_function($$) {
     $prototype =~ s/^noinline +//;
     $prototype =~ s/__init +//;
     $prototype =~ s/__init_or_module +//;
+    $prototype =~ s/__meminit +//;
     $prototype =~ s/__must_check +//;
     $prototype =~ s/__weak +//;
     my $define = $prototype =~ s/^#\s*define\s+//; #ak added
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 86a4fe75f453..86a4fe75f453 100644..100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index c21d16328d3f..c21d16328d3f 100644..100755
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 84af27bf0f99..84af27bf0f99 100644..100755
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 7ada35a0f478..7ada35a0f478 100644..100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 091d90573b63..d439856f8176 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -24,9 +24,9 @@
 #include "../../include/linux/export.h"
 
 /* Are we using CONFIG_MODVERSIONS? */
-int modversions = 0;
+static int modversions = 0;
 /* Warn about undefined symbols? (do so if we have vmlinux) */
-int have_vmlinux = 0;
+static int have_vmlinux = 0;
 /* Is CONFIG_MODULE_SRCVERSION_ALL set? */
 static int all_versions = 0;
 /* If we are modposting external module set to 1 */
@@ -229,7 +229,7 @@ static struct symbol *find_symbol(const char *name)
         return NULL;
 }
 
-static struct {
+static const struct {
         const char *str;
         enum export export;
 } export_list[] = {
@@ -805,7 +805,7 @@ static 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[] =
+static const char *const section_white_list[] =
 {
         ".comment*",
         ".debug*",
@@ -882,17 +882,18 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define MEM_EXIT_SECTIONS  ".memexit.*"
 
 /* init data sections */
-static const char *init_data_sections[] = { ALL_INIT_DATA_SECTIONS, NULL };
+static const char *const init_data_sections[] =
+        { ALL_INIT_DATA_SECTIONS, NULL };
 
 /* all init sections */
-static const char *init_sections[] = { ALL_INIT_SECTIONS, NULL };
+static const char *const init_sections[] = { ALL_INIT_SECTIONS, NULL };
 
 /* All init and exit sections (code + data) */
-static const char *init_exit_sections[] =
+static const char *const init_exit_sections[] =
         {ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS, NULL };
 
 /* data section */
-static const char *data_sections[] = { DATA_SECTIONS, NULL };
+static const char *const data_sections[] = { DATA_SECTIONS, NULL };
 
 
 /* symbols in .data that may refer to init/exit sections */
@@ -906,8 +907,8 @@ static const char *data_sections[] = { DATA_SECTIONS, NULL };
         "*_probe_one",                                                  \
         "*_console"
 
-static const char *head_sections[] = { ".head.text*", NULL };
-static const char *linker_symbols[] =
+static const char *const head_sections[] = { ".head.text*", NULL };
+static const char *const linker_symbols[] =
         { "__init_begin", "_sinittext", "_einittext", NULL };
 
 enum mismatch {
@@ -929,7 +930,7 @@ struct sectioncheck {
         const char *symbol_white_list[20];
 };
 
-const struct sectioncheck sectioncheck[] = {
+static const struct sectioncheck sectioncheck[] = {
 /* Do not reference init/exit code/data from
  * normal code and data
  */
@@ -1146,7 +1147,7 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
 
 static inline int is_arm_mapping_symbol(const char *str)
 {
-        return str[0] == '$' && strchr("atd", str[1])
+        return str[0] == '$' && strchr("axtd", str[1])
                && (str[2] == '\0' || str[2] == '.');
 }
 
@@ -2211,7 +2212,7 @@ int main(int argc, char **argv)
         err = 0;
 
         for (mod = modules; mod; mod = mod->next) {
-                char fname[strlen(mod->name) + 10];
+                char fname[PATH_MAX];
 
                 if (mod->skip)
                         continue;
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 35d5a5877d04..59726243c2eb 100644..100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -37,7 +37,7 @@ create_package() {
         s390*)
                 debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
         ppc*)
-                debarch=powerpc ;;
+                debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
         parisc*)
                 debarch=hppa ;;
         mips*)
@@ -64,7 +64,7 @@ create_package() {
         fi
 
         # Create the package
-        dpkg-gencontrol -isp $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
+        dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
         dpkg --build "$pdir" ..
 }
 
@@ -152,18 +152,16 @@ if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
                 rmdir "$tmpdir/lib/modules/$version"
         fi
         if [ -n "$BUILD_DEBUG" ] ; then
-                (
-                        cd $tmpdir
-                        for module in $(find lib/modules/ -name *.ko); do
-                                mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
-                                # only keep debug symbols in the debug file
-                                $OBJCOPY --only-keep-debug $module $dbg_dir/usr/lib/debug/$module
-                                # strip original module from debug symbols
-                                $OBJCOPY --strip-debug $module
-                                # then add a link to those
-                                $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module
-                        done
-                )
+                for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
+                        module=lib/modules/$module
+                        mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
+                        # only keep debug symbols in the debug file
+                        $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
+                        # strip original module from debug symbols
+                        $OBJCOPY --strip-debug $tmpdir/$module
+                        # then add a link to those
+                        $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
+                done
         fi
 fi
 
diff --git a/scripts/package/buildtar b/scripts/package/buildtar
index e046bff33589..e046bff33589 100644..100755
--- a/scripts/package/buildtar
+++ b/scripts/package/buildtar
diff --git a/scripts/profile2linkerlist.pl b/scripts/profile2linkerlist.pl
index 6943fa7cc95b..6943fa7cc95b 100644..100755
--- a/scripts/profile2linkerlist.pl
+++ b/scripts/profile2linkerlist.pl
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 650ecc83d7d7..001facfa5b74 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -388,10 +388,6 @@ do_file(char const *const fname)
                                 "unrecognized ET_REL file: %s\n", fname);
                         fail_file();
                 }
-                if (w2(ehdr->e_machine) == EM_S390) {
-                        reltype = R_390_32;
-                        mcount_adjust_32 = -4;
-                }
                 if (w2(ehdr->e_machine) == EM_MIPS) {
                         reltype = R_MIPS_32;
                         is_fake_mcount32 = MIPS32_is_fake_mcount;
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 397b6b84e8c5..d4b665610d67 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -241,13 +241,6 @@ if ($arch eq "x86_64") {
     $objcopy .= " -O elf32-i386";
     $cc .= " -m32";
 
-} elsif ($arch eq "s390" && $bits == 32) {
-    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_32\\s+_mcount\$";
-    $mcount_adjust = -4;
-    $alignment = 4;
-    $ld .= " -m elf_s390";
-    $cc .= " -m31";
-
 } elsif ($arch eq "s390" && $bits == 64) {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$";
     $mcount_adjust = -8;
diff --git a/scripts/rt-tester/rt-tester.py b/scripts/rt-tester/rt-tester.py
index 6d916c2a45a5..6d916c2a45a5 100644..100755
--- a/scripts/rt-tester/rt-tester.py
+++ b/scripts/rt-tester/rt-tester.py
diff --git a/scripts/selinux/install_policy.sh b/scripts/selinux/install_policy.sh
index f6a0ce71015f..f6a0ce71015f 100644..100755
--- a/scripts/selinux/install_policy.sh
+++ b/scripts/selinux/install_policy.sh
diff --git a/scripts/sign-file b/scripts/sign-file
index 2b7c4484d46c..3906ee1e2f76 100755
--- a/scripts/sign-file
+++ b/scripts/sign-file
@@ -398,7 +398,7 @@ if ($verbose) {
     print "Size of signer's name  : ", length($signers_name), "\n";
     print "Size of key identifier : ", length($key_identifier), "\n";
     print "Size of signature      : ", length($signature), "\n";
-    print "Size of informaton     : ", length($info), "\n";
+    print "Size of information    : ", length($info), "\n";
     print "Size of magic number   : ", length($magic_number), "\n";
     print "Signer's name          : '", $signers_name, "'\n";
     print "Digest                 : $dgst\n";
diff --git a/scripts/sortextable.h b/scripts/sortextable.h
index 8fac3fd697a6..ba8700428e21 100644
--- a/scripts/sortextable.h
+++ b/scripts/sortextable.h
@@ -103,7 +103,7 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort)
         Elf_Sym *sort_needed_sym;
         Elf_Shdr *sort_needed_sec;
         Elf_Rel *relocs = NULL;
-        int relocs_size;
+        int relocs_size = 0;
         uint32_t *sort_done_location;
         const char *secstrtab;
         const char *strtab;
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
new file mode 100644
index 000000000000..fc7fd52b5e03
--- /dev/null
+++ b/scripts/spelling.txt
@@ -0,0 +1,1042 @@
+# Originally from Debian's Lintian tool. Various false positives have been
+# removed, and various additions have been made as they've been discovered
+# in the kernel source.
+#
+# License: GPLv2
+#
+# The format of each line is:
+# mistake||correction
+#
+abandonning||abandoning
+abigious||ambiguous
+abitrate||arbitrate
+abov||above
+abreviated||abbreviated
+absense||absence
+absolut||absolute
+absoulte||absolute
+acccess||access
+acceleratoin||acceleration
+accelleration||acceleration
+accesing||accessing
+accesnt||accent
+accessable||accessible
+accesss||access
+accidentaly||accidentally
+accidentually||accidentally
+accoding||according
+accomodate||accommodate
+accomodates||accommodates
+accordign||according
+accoring||according
+accout||account
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+virtaul||virtual
+virtiual||virtual
+visiters||visitors
+vitual||virtual
+wating||waiting
+whataver||whatever
+whenver||whenever
+wheter||whether
+whe||when
+wierd||weird
+wiil||will
+wirte||write
+withing||within
+wnat||want
+workarould||workaround
+writeing||writing
+writting||writing
+zombe||zombie
+zomebie||zombie
diff --git a/scripts/tags.sh b/scripts/tags.sh
index cbfd269a6011..cdb491d84503 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -193,10 +193,9 @@ exuberant()
         --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
         --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
         --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'                \
-        --regex-c++='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/'            \
-        --regex-c++='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/'          \
-        --regex-c++='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/'      \
-        --regex-c++='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
+        --regex-c++='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/'       \
+        --regex-c++='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/'    \
+        --regex-c++='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/'\
         --regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \
         --regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \
         --regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/'     \
@@ -256,14 +255,13 @@ emacs()
         --regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
         --regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
         --regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
-        --regex='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/'        \
-        --regex='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/'      \
-        --regex='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/'  \
-        --regex='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
+        --regex='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/'           \
+        --regex='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/'        \
+        --regex='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/'    \
         --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'           \
         --regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
         --regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'\
-        --regex='/DEFINE_HASHTABLE\((\w*)/\1/v/'
+        --regex='/[^#]*DEFINE_HASHTABLE(\([^,)]*\)/\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index db40fa04cd51..db40fa04cd51 100644..100755
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
diff --git a/scripts/xz_wrap.sh b/scripts/xz_wrap.sh
index 7a2d372f4885..7a2d372f4885 100644..100755
--- a/scripts/xz_wrap.sh
+++ b/scripts/xz_wrap.sh