11 files changed, 224 insertions, 89 deletions

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index bdf42fdf64c9..07125e697d7a 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -156,6 +156,11 @@ cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
 
 ld_flags       = $(LDFLAGS) $(ldflags-y)
 
+dtc_cpp_flags  = -Wp,-MD,$(depfile) -nostdinc                            \
+                 -I$(srctree)/arch/$(SRCARCH)/boot/dts                   \
+                 -I$(srctree)/arch/$(SRCARCH)/include/dts                \
+                 -undef -D__DTS__
+
 # Finds the multi-part object the current object will be linked into
 modname-multi = $(sort $(foreach m,$(multi-used),\
                 $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
@@ -269,6 +274,15 @@ cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile
 $(obj)/%.dtb: $(src)/%.dts FORCE
         $(call if_changed_dep,dtc)
 
+dtc-tmp = $(subst $(comma),_,$(dot-target).dts)
+
+quiet_cmd_dtc_cpp = DTC+CPP $@
+cmd_dtc_cpp = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+        $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $(dtc-tmp)
+
+$(obj)/%.dtb: $(src)/%.dtsp FORCE
+        $(call if_changed_dep,dtc_cpp)
+
 # Bzip2
 # ---------------------------------------------------------------------------
 
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index cb1f50cf12e3..7f6425e24ce3 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -409,7 +409,7 @@ static void traps(void)
         int *p = (int *)test;
 
         if (*p != INT_CONF) {
-                fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
+                fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianness? %#x\n",
                         *p);
                 exit(2);
         }
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4d2c7dfdaabd..747bcd768da0 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -230,12 +230,12 @@ our $Inline	= qr{inline|__always_inline|noinline};
 our $Member     = qr{->$Ident|\.$Ident|\[[^]]*\]};
 our $Lval       = qr{$Ident(?:$Member)*};
 
-our $Float_hex  = qr{(?i:0x[0-9a-f]+p-?[0-9]+[fl]?)};
-our $Float_dec  = qr{(?i:((?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?))};
-our $Float_int  = qr{(?i:[0-9]+e-?[0-9]+[fl]?)};
+our $Float_hex  = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
+our $Float_dec  = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
+our $Float_int  = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
 our $Float      = qr{$Float_hex|$Float_dec|$Float_int};
-our $Constant   = qr{(?:$Float|(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*))};
-our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
+our $Constant   = qr{$Float|(?i)(?:0x[0-9a-f]+|[0-9]+)[ul]*};
+our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=};
 our $Compare    = qr{<=|>=|==|!=|<|>};
 our $Operators  = qr{
                         <=|>=|==|!=|
@@ -1931,6 +1931,12 @@ sub process {
                               "use the SSYNC() macro in asm/blackfin.h\n" . $herevet);
                 }
 
+# check for old HOTPLUG __dev<foo> section markings
+                if ($line =~ /\b(__dev(init|exit)(data|const|))\b/) {
+                        WARN("HOTPLUG_SECTION",
+                             "Using $1 is unnecessary\n" . $herecurr);
+                }
+
 # Check for potential 'bare' types
                 my ($stat, $cond, $line_nr_next, $remain_next, $off_next,
                     $realline_next);
@@ -2430,6 +2436,15 @@ sub process {
                              "Prefer pr_warn(... to pr_warning(...\n" . $herecurr);
                 }
 
+                if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
+                        my $orig = $1;
+                        my $level = lc($orig);
+                        $level = "warn" if ($level eq "warning");
+                        $level = "dbg" if ($level eq "debug");
+                        WARN("PREFER_DEV_LEVEL",
+                             "Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr);
+                }
+
 # function brace can't be on same line, except for #defines of do while,
 # or if closed on same line
                 if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
@@ -2915,6 +2930,7 @@ sub process {
                         my $var = $1;
                         if ($var !~ /$Constant/ &&
                             $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ &&
+                            $var !~ /^Page[A-Z]/ &&
                             !defined $camelcase{$var}) {
                                 $camelcase{$var} = 1;
                                 WARN("CAMELCASE",
@@ -3237,9 +3253,9 @@ sub process {
                 }
 
 # prefer usleep_range over udelay
-                if ($line =~ /\budelay\s*\(\s*(\w+)\s*\)/) {
+                if ($line =~ /\budelay\s*\(\s*(\d+)\s*\)/) {
                         # ignore udelay's < 10, however
-                        if (! (($1 =~ /(\d+)/) && ($1 < 10)) ) {
+                        if (! ($1 < 10) ) {
                                 CHK("USLEEP_RANGE",
                                     "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . $line);
                         }
@@ -3460,6 +3476,12 @@ sub process {
                              "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
                 }
 
+# check for alloc argument mismatch
+                if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) {
+                        WARN("ALLOC_ARRAY_ARGS",
+                             "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
+                }
+
 # check for multiple semicolons
                 if ($line =~ /;\s*;\s*$/) {
                         WARN("ONE_SEMICOLON",
diff --git a/scripts/coccinelle/api/devm_ioremap_resource.cocci b/scripts/coccinelle/api/devm_ioremap_resource.cocci
new file mode 100644
index 000000000000..495daa3dbf77
--- /dev/null
+++ b/scripts/coccinelle/api/devm_ioremap_resource.cocci
@@ -0,0 +1,90 @@
+virtual patch
+virtual report
+
+@depends on patch@
+expression base, dev, res;
+@@
+
+-base = devm_request_and_ioremap(dev, res);
++base = devm_ioremap_resource(dev, res);
+ ...
+ if (
+-base == NULL
++IS_ERR(base)
+ || ...) {
+<...
+-       return ...;
++       return PTR_ERR(base);
+...>
+ }
+
+@depends on patch@
+expression e, E, ret;
+identifier l;
+@@
+
+ e = devm_ioremap_resource(...);
+ ...
+ if (IS_ERR(e) || ...) {
+        ... when any
+-       ret = E;
++       ret = PTR_ERR(e);
+        ...
+(
+        return ret;
+|
+        goto l;
+)
+ }
+
+@depends on patch@
+expression e;
+@@
+
+ e = devm_ioremap_resource(...);
+ ...
+ if (IS_ERR(e) || ...) {
+        ...
+-       \(dev_dbg\|dev_err\|pr_debug\|pr_err\|DRM_ERROR\)(...);
+        ...
+ }
+
+@depends on patch@
+expression e;
+identifier l;
+@@
+
+ e = devm_ioremap_resource(...);
+ ...
+ if (IS_ERR(e) || ...)
+-{
+(
+        return ...;
+|
+        goto l;
+)
+-}
+
+@r depends on report@
+expression e;
+identifier l;
+position p1;
+@@
+
+*e = devm_request_and_ioremap@p1(...);
+ ...
+ if (e == NULL || ...) {
+        ...
+(
+        return ...;
+|
+        goto l;
+)
+ }
+
+@script:python depends on r@
+p1 << r.p1;
+@@
+
+msg = "ERROR: deprecated devm_request_and_ioremap() API used on line %s" % (p1[0].line)
+coccilib.report.print_report(p1[0], msg)
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 8b673dd4627f..18d4ab55606b 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -433,7 +433,7 @@ foreach my $file (@ARGV) {
 
         while (<$patch>) {
             my $patch_line = $_;
-            if (m/^\+\+\+\s+(\S+)/) {
+            if (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
                 my $filename = $1;
                 $filename =~ s@^[^/]*/@@;
                 $filename =~ s@\n@@;
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
index 6c353ae8a451..581ca99c96f2 100644
--- a/scripts/headers_install.pl
+++ b/scripts/headers_install.pl
@@ -42,9 +42,9 @@ foreach my $filename (@files) {
                 $line =~ s/(^|\s)(inline)\b/$1__$2__/g;
                 $line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
                 $line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
-                $line =~ s/#ifndef _UAPI/#ifndef /;
-                $line =~ s/#define _UAPI/#define /;
-                $line =~ s!#endif /[*] _UAPI!#endif /* !;
+                $line =~ s/#ifndef\s+_UAPI/#ifndef /;
+                $line =~ s/#define\s+_UAPI/#define /;
+                $line =~ s!#endif\s+/[*]\s*_UAPI!#endif /* !;
                 printf {$out} "%s", $line;
         }
         close $out;
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 28b761567815..f565536a2bef 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2079,7 +2079,6 @@ sub dump_function($$) {
     $prototype =~ s/^__inline +//;
     $prototype =~ s/^__always_inline +//;
     $prototype =~ s/^noinline +//;
-    $prototype =~ s/__devinit +//;
     $prototype =~ s/__init +//;
     $prototype =~ s/__init_or_module +//;
     $prototype =~ s/__must_check +//;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 11a8c3010ed9..78b30c1548e9 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -830,6 +830,8 @@ static const char *section_white_list[] =
         ".toc*",
         ".xt.prop",                              /* xtensa */
         ".xt.lit",         /* xtensa */
+        ".arcextmap*",                  /* arc */
+        ".gnu.linkonce.arcext*",        /* arc : modules */
         NULL
 };
 
diff --git a/scripts/sign-file b/scripts/sign-file
index 974a20b661b7..2b7c4484d46c 100755
--- a/scripts/sign-file
+++ b/scripts/sign-file
@@ -2,51 +2,45 @@
 #
 # Sign a module file using the given key.
 #
-# Format:
-#
-#       ./scripts/sign-file [-v] <key> <x509> <module> [<dest>]
-#
-#
+
+my $USAGE =
+"Usage: scripts/sign-file [-v] <hash algo> <key> <x509> <module> [<dest>]\n" .
+"       scripts/sign-file [-v] -s <raw sig> <hash algo> <x509> <module> [<dest>]\n";
+
 use strict;
 use FileHandle;
 use IPC::Open2;
+use Getopt::Std;
 
-my $verbose = 0;
-if ($#ARGV >= 0 && $ARGV[0] eq "-v") {
-    $verbose = 1;
-    shift;
-}
+my %opts;
+getopts('vs:', \%opts) or die $USAGE;
+my $verbose = $opts{'v'};
+my $signature_file = $opts{'s'};
 
-die "Format: ./scripts/sign-file [-v] <key> <x509> <module> [<dest>]\n"
-    if ($#ARGV != 2 && $#ARGV != 3);
+die $USAGE if ($#ARGV > 4);
+die $USAGE if (!$signature_file && $#ARGV < 3 || $signature_file && $#ARGV < 2);
 
-my $private_key = $ARGV[0];
-my $x509 = $ARGV[1];
-my $module = $ARGV[2];
-my $dest = ($#ARGV == 3) ? $ARGV[3] : $ARGV[2] . "~";
+my $dgst = shift @ARGV;
+my $private_key;
+if (!$signature_file) {
+        $private_key = shift @ARGV;
+}
+my $x509 = shift @ARGV;
+my $module = shift @ARGV;
+my ($dest, $keep_orig);
+if (@ARGV) {
+        $dest = $ARGV[0];
+        $keep_orig = 1;
+} else {
+        $dest = $module . "~";
+}
 
-die "Can't read private key\n" unless (-r $private_key);
+die "Can't read private key\n" if (!$signature_file && !-r $private_key);
+die "Can't read signature file\n" if ($signature_file && !-r $signature_file);
 die "Can't read X.509 certificate\n" unless (-r $x509);
 die "Can't read module\n" unless (-r $module);
 
 #
-# Read the kernel configuration
-#
-my %config = (
-    CONFIG_MODULE_SIG_SHA512 => 1
-    );
-
-if (-r ".config") {
-    open(FD, "<.config") || die ".config";
-    while (<FD>) {
-        if ($_ =~ /^(CONFIG_.*)=[ym]/) {
-            $config{$1} = 1;
-        }
-    }
-    close(FD);
-}
-
-#
 # Function to read the contents of a file into a variable.
 #
 sub read_file($)
@@ -321,73 +315,71 @@ my $id_type = 1;	# Identifier type: X.509
 #
 # Digest the data
 #
-my ($dgst, $prologue) = ();
-if (exists $config{"CONFIG_MODULE_SIG_SHA1"}) {
+my $prologue;
+if ($dgst eq "sha1") {
     $prologue = pack("C*",
                      0x30, 0x21, 0x30, 0x09, 0x06, 0x05,
                      0x2B, 0x0E, 0x03, 0x02, 0x1A,
                      0x05, 0x00, 0x04, 0x14);
-    $dgst = "-sha1";
     $hash = 2;
-} elsif (exists $config{"CONFIG_MODULE_SIG_SHA224"}) {
+} elsif ($dgst eq "sha224") {
     $prologue = pack("C*",
                      0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09,
                      0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04,
                      0x05, 0x00, 0x04, 0x1C);
-    $dgst = "-sha224";
     $hash = 7;
-} elsif (exists $config{"CONFIG_MODULE_SIG_SHA256"}) {
+} elsif ($dgst eq "sha256") {
     $prologue = pack("C*",
                      0x30, 0x31, 0x30, 0x0d, 0x06, 0x09,
                      0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
                      0x05, 0x00, 0x04, 0x20);
-    $dgst = "-sha256";
     $hash = 4;
-} elsif (exists $config{"CONFIG_MODULE_SIG_SHA384"}) {
+} elsif ($dgst eq "sha384") {
     $prologue = pack("C*",
                      0x30, 0x41, 0x30, 0x0d, 0x06, 0x09,
                      0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02,
                      0x05, 0x00, 0x04, 0x30);
-    $dgst = "-sha384";
     $hash = 5;
-} elsif (exists $config{"CONFIG_MODULE_SIG_SHA512"}) {
+} elsif ($dgst eq "sha512") {
     $prologue = pack("C*",
                      0x30, 0x51, 0x30, 0x0d, 0x06, 0x09,
                      0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03,
                      0x05, 0x00, 0x04, 0x40);
-    $dgst = "-sha512";
     $hash = 6;
 } else {
-    die "Can't determine hash algorithm";
+    die "Unknown hash algorithm: $dgst\n";
 }
 
-#
-# Generate the digest and read from openssl's stdout
-#
-my $digest;
-$digest = readpipe("openssl dgst $dgst -binary $module") || die "openssl dgst";
-
-#
-# Generate the binary signature, which will be just the integer that comprises
-# the signature with no metadata attached.
-#
-my $pid;
-$pid = open2(*read_from, *write_to,
-             "openssl rsautl -sign -inkey $private_key -keyform PEM") ||
-    die "openssl rsautl";
-binmode write_to;
-print write_to $prologue . $digest || die "pipe to openssl rsautl";
-close(write_to) || die "pipe to openssl rsautl";
-
-binmode read_from;
 my $signature;
-read(read_from, $signature, 4096) || die "pipe from openssl rsautl";
-close(read_from) || die "pipe from openssl rsautl";
+if ($signature_file) {
+        $signature = read_file($signature_file);
+} else {
+        #
+        # Generate the digest and read from openssl's stdout
+        #
+        my $digest;
+        $digest = readpipe("openssl dgst -$dgst -binary $module") || die "openssl dgst";
+
+        #
+        # Generate the binary signature, which will be just the integer that
+        # comprises the signature with no metadata attached.
+        #
+        my $pid;
+        $pid = open2(*read_from, *write_to,
+                     "openssl rsautl -sign -inkey $private_key -keyform PEM") ||
+            die "openssl rsautl";
+        binmode write_to;
+        print write_to $prologue . $digest || die "pipe to openssl rsautl";
+        close(write_to) || die "pipe to openssl rsautl";
+
+        binmode read_from;
+        read(read_from, $signature, 4096) || die "pipe from openssl rsautl";
+        close(read_from) || die "pipe from openssl rsautl";
+        waitpid($pid, 0) || die;
+        die "openssl rsautl died: $?" if ($? >> 8);
+}
 $signature = pack("n", length($signature)) . $signature,
 
-waitpid($pid, 0) || die;
-die "openssl rsautl died: $?" if ($? >> 8);
-
 #
 # Build the signed binary
 #
@@ -424,6 +416,6 @@ print FD
     ;
 close FD || die $dest;
 
-if ($#ARGV != 3) {
+if (!$keep_orig) {
     rename($dest, $module) || die $module;
 }
diff --git a/scripts/sortextable.h b/scripts/sortextable.h
index e4fd45b7e456..f5eb43d42926 100644
--- a/scripts/sortextable.h
+++ b/scripts/sortextable.h
@@ -182,7 +182,7 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort)
                 _r(&sort_needed_sym->st_value) -
                 _r(&sort_needed_sec->sh_addr);
 
-#if 1
+#if 0
         printf("sort done marker at %lx\n",
                (unsigned long)((char *)sort_done_location - (char *)ehdr));
 #endif
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 08f06c00745e..65f9595acea9 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -149,12 +149,17 @@ dogtags()
 exuberant()
 {
         all_target_sources | xargs $1 -a                        \
-        -I __initdata,__exitdata,__acquires,__releases          \
-        -I __read_mostly,____cacheline_aligned                  \
+        -I __initdata,__exitdata,__initconst,__devinitdata      \
+        -I __devinitconst,__cpuinitdata,__initdata_memblock     \
+        -I __refdata,__attribute                                \
+        -I __acquires,__releases,__deprecated                   \
+        -I __read_mostly,__aligned,____cacheline_aligned        \
         -I ____cacheline_aligned_in_smp                         \
         -I ____cacheline_internodealigned_in_smp                \
+        -I __used,__packed,__packed2__,__must_check,__must_hold \
         -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
         -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
+        -I static,const                                         \
         --extra=+f --c-kinds=+px                                \
         --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/'        \
         --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
@@ -182,8 +187,19 @@ exuberant()
         --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
         --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
         --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'                \
-        --regex-c='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \
-        --regex-c='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\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/'     \
+        --regex-c='/DEFINE_(RAW_SPINLOCK|RWLOCK|SEQLOCK)\((\w*)/\2/v/'  \
+        --regex-c='/DECLARE_(RWSEM|COMPLETION)\((\w*)/\2/v/'            \
+        --regex-c='/DECLARE_BITMAP\((\w*)/\1/v/'                        \
+        --regex-c='/(^|\s)(|L|H)LIST_HEAD\((\w*)/\3/v/'                 \
+        --regex-c='/(^|\s)RADIX_TREE\((\w*)/\2/v/'                      \
+        --regex-c='/DEFINE_PER_CPU\(([^,]*,\s*)(\w*).*\)/\2/v/'         \
+        --regex-c='/DEFINE_PER_CPU_SHARED_ALIGNED\(([^,]*,\s*)(\w*).*\)/\2/v/' \
+        --regex-c='/DECLARE_WAIT_QUEUE_HEAD\((\w*)/\1/v/'               \
+        --regex-c='/DECLARE_(TASKLET|WORK|DELAYED_WORK)\((\w*)/\2/v/'   \
+        --regex-c='/DEFINE_PCI_DEVICE_TABLE\((\w*)/\1/v/'
 
         all_kconfigs | xargs $1 -a                              \
         --langdef=kconfig --language-force=kconfig              \