diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/traps.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 5c8a49d5505..33945aaa9b1 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1339,9 +1339,18 @@ void ejtag_exception_handler(struct pt_regs *regs) /* * NMI exception handler. + * No lock; only written during early bootup by CPU 0. */ +static RAW_NOTIFIER_HEAD(nmi_chain); + +int register_nmi_notifier(struct notifier_block *nb) +{ + return raw_notifier_chain_register(&nmi_chain, nb); +} + NORET_TYPE void ATTRIB_NORET nmi_exception_handler(struct pt_regs *regs) { + raw_notifier_call_chain(&nmi_chain, 0, regs); bust_spinlocks(1); printk("NMI taken!!!!\n"); die("NMI", regs); |