i386: add TRACE_IRQS_OFF for the nmi

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 a278505..2abdc9a 100644 (file)
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -849,6 +849,7 @@ nmi_stack_correct:
        pushl %eax
        CFI_ADJUST_CFA_OFFSET 4
        SAVE_ALL
+       TRACE_IRQS_OFF
        xorl %edx,%edx          # zero error code
        movl %esp,%eax          # pt_regs pointer
        call do_nmi
@@ -889,6 +890,7 @@ nmi_espfix_stack:
        pushl %eax
        CFI_ADJUST_CFA_OFFSET 4
        SAVE_ALL
+       TRACE_IRQS_OFF
        FIXUP_ESPFIX_STACK              # %eax == %esp
        xorl %edx,%edx                  # zero error code
        call do_nmi