diff options
| author | Nicholas Piggin <[email protected]> | 2020-05-08 14:34:07 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2020-05-19 00:10:35 +1000 |
| commit | 265d6e588d87194c2fe2d6c240247f0264e0c19b (patch) | |
| tree | bab70ed39ea336741a5457cf8adabac801de3901 | |
| parent | bbbc8032b00f8ef287894425fbdb691049e28d39 (diff) | |
powerpc/traps: Make unrecoverable NMIs die instead of panic
System Reset and Machine Check interrupts that are not recoverable due
to being nested or interrupting when RI=0 currently panic. This is not
necessary, and can often just kill the current context and recover.
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Reviewed-by: Christophe Leroy <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index ee209c5a1ad7..477befcda8d3 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -513,11 +513,11 @@ out: #ifdef CONFIG_PPC_BOOK3S_64 BUG_ON(get_paca()->in_nmi == 0); if (get_paca()->in_nmi > 1) - nmi_panic(regs, "Unrecoverable nested System Reset"); + die("Unrecoverable nested System Reset", regs, SIGABRT); #endif /* Must die if the interrupt is not recoverable */ if (!(regs->msr & MSR_RI)) - nmi_panic(regs, "Unrecoverable System Reset"); + die("Unrecoverable System Reset", regs, SIGABRT); if (saved_hsrrs) { mtspr(SPRN_HSRR0, hsrr0); @@ -875,7 +875,7 @@ void machine_check_exception(struct pt_regs *regs) /* Must die if the interrupt is not recoverable */ if (!(regs->msr & MSR_RI)) - nmi_panic(regs, "Unrecoverable Machine check"); + die("Unrecoverable Machine check", regs, SIGBUS); return; |