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i386: add TRACE_IRQS_OFF for the exception 3 (int3)

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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>
This commit is contained in:
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 pushl $-1 # mark this as an int
CFI_ADJUST_CFA_OFFSET 4 CFI_ADJUST_CFA_OFFSET 4
SAVE_ALL SAVE_ALL
TRACE_IRQS_OFF
xorl %edx,%edx # zero error code xorl %edx,%edx # zero error code
movl %esp,%eax # pt_regs pointer movl %esp,%eax # pt_regs pointer
call do_int3 call do_int3