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>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 49438e58291d..a278505baa11 100644
--- 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