Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core

2 files changed, 70 insertions, 17 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7bed4ed..45eb0ae 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -10,7 +10,7 @@ use strict;
 my $P = $0;
 $P =~ s@.*/@@g;
 
-my $V = '0.26';
+my $V = '0.27';
 
 use Getopt::Long qw(:config no_auto_abbrev);
 
@@ -411,13 +411,15 @@ sub ctx_statement_block {
 
 	my $type = '';
 	my $level = 0;
-	my @stack = ([$type, $level]);
+	my @stack = ();
 	my $p;
 	my $c;
 	my $len = 0;
 
 	my $remainder;
 	while (1) {
+		@stack = (['', 0]) if ($#stack == -1);
+
 		#warn "CSB: blk<$blk> remain<$remain>\n";
 		# If we are about to drop off the end, pull in more
 		# context.
@@ -1663,7 +1665,7 @@ sub process {
 			# Should not end with a space.
 			$to =~ s/\s+$//;
 			# '*'s should not have spaces between.
-			while ($to =~ s/(.)\s\*/$1\*/) {
+			while ($to =~ s/\*\s+\*/\*\*/) {
 			}
 
 			#print "from<$from> to<$to>\n";
@@ -1678,7 +1680,7 @@ sub process {
 			# Should not end with a space.
 			$to =~ s/\s+$//;
 			# '*'s should not have spaces between.
-			while ($to =~ s/(.)\s\*/$1\*/) {
+			while ($to =~ s/\*\s+\*/\*\*/) {
 			}
 			# Modifiers should have spaces.
 			$to =~ s/(\b$Modifier$)/$1 /;
@@ -2014,7 +2016,11 @@ sub process {
 
 			# Flatten any parentheses
 			$value =~ s/\)\(/\) \(/g;
-			while ($value !~ /(?:$Ident|-?$Constant)\s*$Compare\s*(?:$Ident|-?$Constant)/ && $value =~ s/\([^\(\)]*\)/1/) {
+			while ($value =~ s/\[[^\{\}]*\]/1/ ||
+			       $value !~ /(?:$Ident|-?$Constant)\s*
+					     $Compare\s*
+					     (?:$Ident|-?$Constant)/x &&
+			       $value =~ s/\([^\(\)]*\)/1/) {
 			}
 
 			if ($value =~ /^(?:$Ident|-?$Constant)$/) {
@@ -2102,6 +2108,11 @@ sub process {
 				ERROR("trailing statements should be on next line\n" . $herecurr);
 			}
 		}
+# if should not continue a brace
+		if ($line =~ /}\s*if\b/) {
+			ERROR("trailing statements should be on next line\n" .
+				$herecurr);
+		}
 # case and default should not have general statements after them
 		if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g &&
 		    $line !~ /\G(?:
@@ -2516,9 +2527,10 @@ sub process {
 			WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
 		}
 # check for struct file_operations, ensure they are const.
-		if ($line =~ /\bstruct\s+file_operations\b/ &&
-		    $line !~ /\bconst\b/) {
-			WARN("struct file_operations should normally be const\n" . $herecurr);
+		if ($line !~ /\bconst\b/ &&
+		    $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+			WARN("struct $1 should normally be const\n" .
+				$herecurr);
 		}
 
 # use of NR_CPUS is usually wrong
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index 700a7a6..d40449c 100644
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,5 +1,7 @@
 #!/usr/bin/perl -w
 
+use File::Basename;
+
 # Copyright 2008, Intel Corporation
 #
 # This file is part of the Linux kernel
@@ -13,23 +15,41 @@
 
 
 my $vmlinux_name = $ARGV[0];
-
+if (!defined($vmlinux_name)) {
+	my $kerver = `uname -r`;
+	chomp($kerver);
+	$vmlinux_name = "/lib/modules/$kerver/build/vmlinux";
+	print "No vmlinux specified, assuming $vmlinux_name\n";
+}
+my $filename = $vmlinux_name;
 #
 # Step 1: Parse the oops to find the EIP value
 #
 
 my $target = "0";
+my $function;
+my $module = "";
+my $func_offset;
+my $vmaoffset = 0;
+
 while (<STDIN>) {
-	if ($_ =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
+	my $line = $_;
+	if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
 		$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 ($target =~ /^f8/) {
-	print "This script does not work on modules ... \n";
-	exit;
+	# check if it's a module
+	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
+		$module = $3;
+	}
 }
 
+my $decodestart = hex($target) - hex($func_offset);
+my $decodestop = $decodestart + 8192;
 if ($target eq "0") {
 	print "No oops found!\n";
 	print "Usage: \n";
@@ -37,6 +57,29 @@ if ($target eq "0") {
 	exit;
 }
 
+# if it's a module, we need to find the .ko file and calculate a load offset
+if ($module ne "") {
+	my $dir = dirname($filename);
+	$dir = $dir . "/";
+	my $mod = $module . ".ko";
+	my $modulefile = `find $dir -name $mod | head -1`;
+	chomp($modulefile);
+	$filename = $modulefile;
+	if ($filename eq "") {
+		print "Module .ko file for $module not found. Aborting\n";
+		exit;
+	}
+	# ok so we found the module, now we need to calculate the vma offset
+	open(FILE, "objdump -dS $filename |") || die "Cannot start objdump";
+	while (<FILE>) {
+		if ($_ =~ /^([0-9a-f]+) \<$function\>\:/) {
+			my $fu = $1;
+			$vmaoffset = hex($target) - hex($fu) - hex($func_offset);
+		}
+	}
+	close(FILE);
+}
+
 my $counter = 0;
 my $state   = 0;
 my $center  = 0;
@@ -59,9 +102,7 @@ sub InRange {
 # first, parse the input into the lines array, but to keep size down,
 # we only do this for 4Kb around the sweet spot
 
-my $filename;
-
-open(FILE, "objdump -dS $vmlinux_name |") || die "Cannot start objdump";
+open(FILE, "objdump -dS --adjust-vma=$vmaoffset --start-address=$decodestart --stop-address=$decodestop $filename |") || die "Cannot start objdump";
 
 while (<FILE>) {
 	my $line = $_;