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i386: add TRACE_IRQS_OFF for the exception 3 (int3) 

At this point interrupts are off, so let's inform the tracing
code of that fact before calling into C.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Alexander van Heukelum 2008-09-09 21:56:17 +02:00 committed by Ingo Molnar
parent e0c7317557
commit a790392faa
1 changed files with 1 additions and 0 deletions
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arch/x86/kernel/entry_32.S
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@ -921,6 +921,7 @@ KPROBE_ENTRY(int3)
pushl $-1 # mark this as an int
CFI_ADJUST_CFA_OFFSET 4
SAVE_ALL
TRACE_IRQS_OFF
xorl %edx,%edx # zero error code
movl %esp,%eax # pt_regs pointer
call do_int3