[PATCH 2.6.19-rc2-mm1] Fix fake return address

From: Jeremy Fitzhardinge
Date: Tue Oct 17 2006 - 22:40:38 EST


The fake return address was being set to __KERNEL_PDA, rather than 0.
Push it earlier while %eax still equals 0.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxx>

diff -r b8e58159855c arch/i386/kernel/head.S
--- a/arch/i386/kernel/head.S Tue Oct 17 19:04:59 2006 -0700
+++ b/arch/i386/kernel/head.S Tue Oct 17 19:05:46 2006 -0700
@@ -316,12 +316,12 @@ 1: movl $(__KERNEL_DS),%eax # reload all
xorl %eax,%eax # Clear FS and LDT
movl %eax,%fs
lldt %ax
+ pushl %eax # fake return address

movl $(__KERNEL_PDA),%eax
mov %eax,%gs

cld # gcc2 wants the direction flag cleared at all times
- pushl %eax # fake return address
#ifdef CONFIG_SMP
movb ready, %cl
movb $1, ready



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/