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traps: x86_64: add TRACE_IRQS_OFF in error_entry 

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>
This commit is contained in:
Alexander van Heukelum 2008-09-26 14:03:02 +02:00 committed by Ingo Molnar
parent 2e42060c19
commit 6b11d4ef3e
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/entry_64.S
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@ -1065,7 +1065,8 @@ KPROBE_ENTRY(error_entry)
je error_kernelspace
error_swapgs:
SWAPGS
error_sti:
error_sti:
TRACE_IRQS_OFF
movq %rdi,RDI(%rsp)
CFI_REL_OFFSET rdi,RDI
movq %rsp,%rdi