i386: add TRACE_IRQS_OFF for exception 1 (debug)

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 49438e5..a278505 100644 (file)
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -804,6 +804,7 @@ debug_stack_correct:
        pushl $-1                       # mark this as an int
        CFI_ADJUST_CFA_OFFSET 4
        SAVE_ALL
+       TRACE_IRQS_OFF
        xorl %edx,%edx                  # error code 0
        movl %esp,%eax                  # pt_regs pointer
        call do_debug