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x86/entry: Move paranoid irq tracing out of ASM code

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The last step to remove the irq tracing cruft from ASM. Ignore #DF as the
maschine is going to die anyway.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202120.414043330@linutronix.de
This commit is contained in:
Thomas Gleixner
2020-05-21 22:05:51 +02:00
parent 9628f26bae
commit 3ffdfdcec1
4 changed files with 17 additions and 13 deletions
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3
arch/x86/kernel/cpu/mce/core.c
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@@ -1922,7 +1922,10 @@ static __always_inline void exc_machine_check_kernel(struct pt_regs *regs)
* that out because it's an indirect call. Annotate it.
*/
instrumentation_begin();
trace_hardirqs_off_prepare();
machine_check_vector(regs);
if (regs->flags & X86_EFLAGS_IF)
trace_hardirqs_on_prepare();
instrumentation_end();
nmi_exit();
}