diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/traps.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 613b3d284a8..b9b67166f9d 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -410,26 +410,24 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) raw_spin_lock(&nmi_reason_lock); reason = get_nmi_reason(); - if (!(reason & NMI_REASON_MASK)) { + if (reason & NMI_REASON_MASK) { + if (reason & NMI_REASON_SERR) + pci_serr_error(reason, regs); + else if (reason & NMI_REASON_IOCHK) + io_check_error(reason, regs); +#ifdef CONFIG_X86_32 + /* + * Reassert NMI in case it became active + * meanwhile as it's edge-triggered: + */ + reassert_nmi(); +#endif raw_spin_unlock(&nmi_reason_lock); - unknown_nmi_error(reason, regs); - return; } - - /* AK: following checks seem to be broken on modern chipsets. FIXME */ - if (reason & NMI_REASON_SERR) - pci_serr_error(reason, regs); - if (reason & NMI_REASON_IOCHK) - io_check_error(reason, regs); -#ifdef CONFIG_X86_32 - /* - * Reassert NMI in case it became active meanwhile - * as it's edge-triggered: - */ - reassert_nmi(); -#endif raw_spin_unlock(&nmi_reason_lock); + + unknown_nmi_error(reason, regs); } dotraplinkage notrace __kprobes void |