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oprofile: fix oops on x86 32-bit

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x86 32-bit isn't saving the stack pointer to pt_regs->esp when an
interrupt occurs.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Tested-by: Robert Fitzsimons <robfitz@273k.net>
Cc: Andi Kleen <ak@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Philippe Elie <phil.el@wanadoo.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Blunck 2007-11-14 17:00:42 -08:00 committed by Linus Torvalds
parent 35d5d08a08
commit 77f2878b4f
1 changed files with 1 additions and 1 deletions
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2
include/asm-x86/ptrace.h
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@ -60,7 +60,7 @@ static inline int v8086_mode(struct pt_regs *regs)
#define instruction_pointer(regs) ((regs)->eip)
#define frame_pointer(regs) ((regs)->ebp)
#define stack_pointer(regs) ((regs)->esp)
#define stack_pointer(regs) ((unsigned long)(regs))
#define regs_return_value(regs) ((regs)->eax)
extern unsigned long profile_pc(struct pt_regs *regs);