Merge branch 'linus' into tracing/blktrace

Conflicts:
	block/blktrace.c

Semantic merge:
	kernel/trace/blktrace.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

6 files changed, 174 insertions, 21 deletions

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index b0246307aac4..12caa822a232 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -51,7 +51,7 @@ my %pidctr;
 
 while (<>) {
         my $line = $_;
-        if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {
+        if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_\.]+)\+/) {
                 my $func = $2;
                 if ($done == 0) {
                         $start{$func} = $1;
@@ -87,7 +87,7 @@ while (<>) {
                 $count = $count + 1;
         }
 
-        if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) {
+        if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) {
                 if ($done == 0) {
                         $end{$2} = $1;
                         $maxtime = $1;
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index d40449cafa84..528492bcba5b 100644
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
 
 use File::Basename;
 
@@ -29,27 +29,151 @@ my $filename = $vmlinux_name;
 my $target = "0";
 my $function;
 my $module = "";
-my $func_offset;
+my $func_offset = 0;
 my $vmaoffset = 0;
 
+my %regs;
+
+
+sub parse_x86_regs
+{
+        my ($line) = @_;
+        if ($line =~ /EAX: ([0-9a-f]+) EBX: ([0-9a-f]+) ECX: ([0-9a-f]+) EDX: ([0-9a-f]+)/) {
+                $regs{"%eax"} = $1;
+                $regs{"%ebx"} = $2;
+                $regs{"%ecx"} = $3;
+                $regs{"%edx"} = $4;
+        }
+        if ($line =~ /ESI: ([0-9a-f]+) EDI: ([0-9a-f]+) EBP: ([0-9a-f]+) ESP: ([0-9a-f]+)/) {
+                $regs{"%esi"} = $1;
+                $regs{"%edi"} = $2;
+                $regs{"%esp"} = $4;
+        }
+        if ($line =~ /RAX: ([0-9a-f]+) RBX: ([0-9a-f]+) RCX: ([0-9a-f]+)/) {
+                $regs{"%eax"} = $1;
+                $regs{"%ebx"} = $2;
+                $regs{"%ecx"} = $3;
+        }
+        if ($line =~ /RDX: ([0-9a-f]+) RSI: ([0-9a-f]+) RDI: ([0-9a-f]+)/) {
+                $regs{"%edx"} = $1;
+                $regs{"%esi"} = $2;
+                $regs{"%edi"} = $3;
+        }
+        if ($line =~ /RBP: ([0-9a-f]+) R08: ([0-9a-f]+) R09: ([0-9a-f]+)/) {
+                $regs{"%r08"} = $2;
+                $regs{"%r09"} = $3;
+        }
+        if ($line =~ /R10: ([0-9a-f]+) R11: ([0-9a-f]+) R12: ([0-9a-f]+)/) {
+                $regs{"%r10"} = $1;
+                $regs{"%r11"} = $2;
+                $regs{"%r12"} = $3;
+        }
+        if ($line =~ /R13: ([0-9a-f]+) R14: ([0-9a-f]+) R15: ([0-9a-f]+)/) {
+                $regs{"%r13"} = $1;
+                $regs{"%r14"} = $2;
+                $regs{"%r15"} = $3;
+        }
+}
+
+sub reg_name
+{
+        my ($reg) = @_;
+        $reg =~ s/r(.)x/e\1x/;
+        $reg =~ s/r(.)i/e\1i/;
+        $reg =~ s/r(.)p/e\1p/;
+        return $reg;
+}
+
+sub process_x86_regs
+{
+        my ($line, $cntr) = @_;
+        my $str = "";
+        if (length($line) < 40) {
+                return ""; # not an asm istruction
+        }
+
+        # find the arguments to the instruction
+        if ($line =~ /([0-9a-zA-Z\,\%\(\)\-\+]+)$/) {
+                $lastword = $1;
+        } else {
+                return "";
+        }
+
+        # we need to find the registers that get clobbered,
+        # since their value is no longer relevant for previous
+        # instructions in the stream.
+
+        $clobber = $lastword;
+        # first, remove all memory operands, they're read only
+        $clobber =~ s/\([a-z0-9\%\,]+\)//g;
+        # then, remove everything before the comma, thats the read part
+        $clobber =~ s/.*\,//g;
+
+        # if this is the instruction that faulted, we haven't actually done
+        # the write yet... nothing is clobbered.
+        if ($cntr == 0) {
+                $clobber = "";
+        }
+
+        foreach $reg (keys(%regs)) {
+                my $clobberprime = reg_name($clobber);
+                my $lastwordprime = reg_name($lastword);
+                my $val = $regs{$reg};
+                if ($val =~ /^[0]+$/) {
+                        $val = "0";
+                } else {
+                        $val =~ s/^0*//;
+                }
+
+                # first check if we're clobbering this register; if we do
+                # we print it with a =>, and then delete its value
+                if ($clobber =~ /$reg/ || $clobberprime =~ /$reg/) {
+                        if (length($val) > 0) {
+                                $str = $str . " $reg => $val ";
+                        }
+                        $regs{$reg} = "";
+                        $val = "";
+                }
+                # now check if we're reading this register
+                if ($lastword =~ /$reg/ || $lastwordprime =~ /$reg/) {
+                        if (length($val) > 0) {
+                                $str = $str . " $reg = $val ";
+                        }
+                }
+        }
+        return $str;
+}
+
+# parse the oops
 while (<STDIN>) {
         my $line = $_;
         if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
                 $target = $1;
         }
+        if ($line =~ /RIP: 0010:\[\<([a-z0-9]+)\>\]/) {
+                $target = $1;
+        }
         if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
                 $function = $1;
                 $func_offset = $2;
         }
+        if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+                $function = $1;
+                $func_offset = $2;
+        }
 
         # check if it's a module
         if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
                 $module = $3;
         }
+        if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
+                $module = $3;
+        }
+        parse_x86_regs($line);
 }
 
 my $decodestart = hex($target) - hex($func_offset);
-my $decodestop = $decodestart + 8192;
+my $decodestop = hex($target) + 8192;
 if ($target eq "0") {
         print "No oops found!\n";
         print "Usage: \n";
@@ -84,6 +208,7 @@ my $counter = 0;
 my $state   = 0;
 my $center  = 0;
 my @lines;
+my @reglines;
 
 sub InRange {
         my ($address, $target) = @_;
@@ -188,16 +313,36 @@ while ($finish < $counter) {
 
 my $i;
 
-my $fulltext = "";
+
+# start annotating the registers in the asm.
+# this goes from the oopsing point back, so that the annotator
+# can track (opportunistically) which registers got written and
+# whos value no longer is relevant.
+
+$i = $center;
+while ($i >= $start) {
+        $reglines[$i] = process_x86_regs($lines[$i], $center - $i);
+        $i = $i - 1;
+}
+
 $i = $start;
 while ($i < $finish) {
+        my $line;
         if ($i == $center) {
-                $fulltext = $fulltext . "*$lines[$i]     <----- faulting instruction\n";
+                $line =  "*$lines[$i] ";
         } else {
-                $fulltext = $fulltext .  " $lines[$i]\n";
+                $line =  " $lines[$i] ";
+        }
+        print $line;
+        if (defined($reglines[$i]) && length($reglines[$i]) > 0) {
+                my $c = 60 - length($line);
+                while ($c > 0) { print " "; $c = $c - 1; };
+                print "| $reglines[$i]";
         }
+        if ($i == $center) {
+                print "<--- faulting instruction";
+        }
+        print "\n";
         $i = $i +1;
 }
 
-print $fulltext;
-
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 491b8b1b6abf..4eea60b1693e 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -210,6 +210,7 @@ static void do_usb_table(void *symval, unsigned long size,
 static int do_hid_entry(const char *filename,
                              struct hid_device_id *id, char *alias)
 {
+        id->bus = TO_NATIVE(id->bus);
         id->vendor = TO_NATIVE(id->vendor);
         id->product = TO_NATIVE(id->product);
 
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 2500886fb90a..ee448cdc6a2b 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -86,6 +86,14 @@ echo "%endif"
 echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"
 
 echo 'cp .config $RPM_BUILD_ROOT'"/boot/config-$KERNELRELEASE"
+
+echo "%ifnarch ppc64"
+echo 'cp vmlinux vmlinux.orig'
+echo 'bzip2 -9 vmlinux'
+echo 'mv vmlinux.bz2 $RPM_BUILD_ROOT'"/boot/vmlinux-$KERNELRELEASE.bz2"
+echo 'mv vmlinux.orig vmlinux'
+echo "%endif"
+
 echo ""
 echo "%clean"
 echo '#echo -rf $RPM_BUILD_ROOT'
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index f6946cf99ce1..f1c4b35bc324 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -58,14 +58,7 @@ fi
 # Check for svn and a svn repo.
 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
         rev=`echo $rev | awk '{print $NF}'`
-        changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l`
-
-        # Are there uncommitted changes?
-        if [ $changes != 0 ]; then
-                printf -- '-svn%s%s' "$rev" -dirty
-        else
-                printf -- '-svn%s' "$rev"
-        fi
+        printf -- '-svn%s' "$rev"
 
         # All done with svn
         exit
diff --git a/scripts/tags.sh b/scripts/tags.sh
index fdbe78bb5e2b..5bd8b1003d44 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -76,7 +76,10 @@ all_sources()
 
 all_kconfigs()
 {
-        find_sources $ALLSOURCE_ARCHS 'Kconfig*'
+        for arch in $ALLSOURCE_ARCHS; do
+                find_sources $arch 'Kconfig*'
+        done
+        find_other_sources 'Kconfig*'
 }
 
 all_defconfigs()
@@ -99,7 +102,8 @@ exuberant()
         -I ____cacheline_internodealigned_in_smp                \
         -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
         --extra=+f --c-kinds=+px                                \
-        --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
+        --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'                  \
+        --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --langdef=kconfig --language-force=kconfig              \
@@ -117,7 +121,9 @@ exuberant()
 
 emacs()
 {
-        all_sources | xargs $1 -a
+        all_sources | xargs $1 -a                               \
+        --regex='/^ENTRY(\([^)]*\)).*/\1/'                      \
+        --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'