The following commit has been merged into the x86/urgent branch of tip: Commit-ID: 0337b7ebfcb8efb4ea0a9f2b2f284217a1c0e62d Gitweb: https://git.kernel.org/tip/0337b7ebfcb8efb4ea0a9f2b2f284217a1c0e62d Author: Andy Lutomirski <luto@xxxxxxxxxx> AuthorDate: Mon, 25 Nov 2019 22:37:44 -08:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Tue, 26 Nov 2019 22:00:12 +01:00 x86/traps: die() instead of panicking on a double fault 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@xxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index a9b16c3..05da6b5 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -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