linux-kernel - [PATCH] Change hex to Math::BigInt->from_hex in markup

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Date:	Sun, 17 Jan 2010 21:36:58 +0800
From:	Hui Zhu <teawater@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Ozan Çaglayan <ozan@...dus.org.tr>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Change hex to Math::BigInt->from_hex in markup_oops.pl

The hex cannot work well in x86 to parse the oops message for x8664.
So this patch change it.

Thanks,
Hui

Signed-off-by: Hui Zhu <teawater@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Arjan van de Ven <arjan@...ux.intel.com>
Cc: Sam Ravnborg <sam@...nborg.org>
Cc: Ozan Çaglayan <ozan@...dus.org.tr>
Cc: Matthew Wilcox <willy@...ux.intel.com>

---
 scripts/markup_oops.pl |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -196,7 +196,7 @@ if ($module ne "") {
 	while (<FILE>) {
 		if ($_ =~ /^([0-9a-f]+) \<$function\>\:/) {
 			my $fu = $1;
-			$vmaoffset = hex($target) - hex($fu) - hex($func_offset);
+			$vmaoffset = Math::BigInt->from_hex("0x$target") -
Math::BigInt->from_hex("0x$fu") -
Math::BigInt->from_hex("0x$func_offset");
 		}
 	}
 	close(FILE);
@@ -212,7 +212,7 @@ sub InRange {
 	my ($address, $target) = @_;
 	my $ad = "0x".$address;
 	my $ta = "0x".$target;
-	my $delta = hex($ad) - hex($ta);
+	my $delta = Math::BigInt->from_hex($ad) - Math::BigInt->from_hex($ta);

 	if (($delta > -4096) && ($delta < 4096)) {
 		return 1;
--
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