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>

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 2abdc9a9f7bc198c5cd3cd76b6aca19a9a917fa1..b21fbfaffe391a974d10d7417a9f00c99ab05228 100644 (file)
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -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