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author | Andy Lutomirski <luto@kernel.org> | 2020-02-26 00:36:38 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2020-02-27 16:48:39 +0300 |
commit | 55ba18d6ed37a28cf8b8ca79e9aef4cf98183bb7 (patch) | |
tree | f0d9a458cc23549c7bb8f152665132c892814fec /arch/x86/include/asm/traps.h | |
parent | 3d51507f29f2153a658df4a0674ec5b592b62085 (diff) | |
download | linux-55ba18d6ed37a28cf8b8ca79e9aef4cf98183bb7.tar.xz |
x86/mce: Disable tracing and kprobes on do_machine_check()
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
Diffstat (limited to 'arch/x86/include/asm/traps.h')
-rw-r--r-- | arch/x86/include/asm/traps.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index ffa0dc8a535e..e1c660b9e8e6 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -88,9 +88,6 @@ dotraplinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code); dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code); dotraplinkage void do_alignment_check(struct pt_regs *regs, long error_code); -#ifdef CONFIG_X86_MCE -dotraplinkage void do_machine_check(struct pt_regs *regs, long error_code); -#endif dotraplinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code); #ifdef CONFIG_X86_32 dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code); |