Commit 77f2878b authored Nov 14, 2007 by Jan Blunck Committed by Linus Torvalds Nov 14, 2007

oprofile: fix oops on x86 32-bit



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>

parent 35d5d08a

include/asm-x86/ptrace.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);