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Commit 8b1c870f authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
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traps: x86_64: remove trace_hardirqs_fixup from int3 handler 



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: default avatarAlexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 4b986a36

arch/x86/kernel/traps_64.c

+0 −2
Original line number Original line Diff line number Diff line
@@ -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;