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traps: x86_64: remove trace_hardirqs_fixup from int3 handler

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All exceptions are taken via interrupt gates. TRACE_IRQS_OFF
is called just before entering the C code, so the irq state
is known to the irq tracer at this point. No need to call
trace_hardirqs_fixup.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexander van Heukelum 2008-09-26 14:03:05 +02:00 committed by Ingo Molnar
parent 4b986a3652
commit 8b1c870f19
1 changed files with 0 additions and 2 deletions
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2
arch/x86/kernel/traps_64.c
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@ -861,8 +861,6 @@ void restart_nmi(void)
/* runs on IST stack. */ /* runs on IST stack. */
asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code)
{ {
trace_hardirqs_fixup();
if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP)
== NOTIFY_STOP) == NOTIFY_STOP)
return; return;