x86/mce: Disable tracing and kprobes on do_machine_check()

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do_machine_check() can be raised in almost any context including the most
fragile ones. Prevent kprobes and tracing.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200225220216.315548935@linutronix.de

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Andy Lutomirski 2020-02-25 22:36:38 +01:00 • committed by Thomas Gleixner

parent 3d51507f29

commit 55ba18d6ed

2 changed files with 10 additions and 5 deletions

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3

arch/x86/include/asm/traps.h

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12

arch/x86/kernel/cpu/mce/core.c

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