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x86/traps: die() instead of panicking on a double fault

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A double fault has a decent chance of being recoverable by killing
the offending thread.  Use die() so that we at least try to recover.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andy Lutomirski 2019-11-25 22:37:44 -08:00 committed by Ingo Molnar
parent 7d8d8cfdee
commit 0337b7ebfc
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/traps.c
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@ -427,7 +427,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsign
#endif
pr_emerg("PANIC: double fault, error_code: 0x%lx\n", error_code);
show_regs(regs);
die("double fault", regs, error_code);
panic("Machine halted.");
}
#endif