Commit 7e61a793 authored Sep 26, 2008 by Alexander van Heukelum Committed by Ingo Molnar Oct 13, 2008

traps: x86_64: add TRACE_IRQS_OFF in paranoidentry macro



Add TRACE_IRQS_OFF just before entering the C code.

All exceptions are taken via interrupt gates. If irq tracing is
enabled, it should be notified as soon as possible. Interrupts
are only (conditionally) re-enabled in C code.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 6b11d4ef

arch/x86/kernel/entry_64.S

+3 −0

Original line number	Diff line number	Diff line
		@@ -939,6 +939,9 @@ END(spurious_interrupt)
		.if \ist
		movq %gs:pda_data_offset, %rbp
		.endif
		.if \irqtrace
		TRACE_IRQS_OFF
		.endif
		movq %rsp,%rdi
		movq ORIG_RAX(%rsp),%rsi
		movq $-1,ORIG_RAX(%rsp)