Andi Kleen wrote:
From: Jeremy Fitzhardinge <[email protected]>
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 <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Andrew Morton <[email protected]>
---
arch/i386/kernel/head.S | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/i386/kernel/head.S
===================================================================
--- linux.orig/arch/i386/kernel/head.S
+++ linux/arch/i386/kernel/head.S
@@ -317,7 +317,7 @@ is386: movl $2,%ecx # set MP
movl %eax,%gs
lldt %ax
cld # gcc2 wants the direction flag cleared at all times
- pushl %eax # fake return address
+ pushl $0 # fake return address for unwinder
#ifdef CONFIG_SMP
Yep, that's better than my patch, but the comment is out of date.
J
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