diff options
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/irq.c | 6 | ||||
| -rw-r--r-- | arch/x86_64/kernel/nmi.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c index 3be0a7e4bf0..bfa82f52a5c 100644 --- a/arch/x86_64/kernel/irq.c +++ b/arch/x86_64/kernel/irq.c @@ -118,6 +118,12 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) /* high bit used in ret_from_ code */ unsigned irq = ~regs->orig_rax; + if (unlikely(irq >= NR_IRQS)) { + printk(KERN_EMERG "%s: cannot handle IRQ %d\n", + __FUNCTION__, irq); + BUG(); + } + exit_idle(); irq_enter(); #ifdef CONFIG_DEBUG_STACKOVERFLOW diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 399489c9313..0ef9cf2bc45 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -607,11 +607,13 @@ void set_nmi_callback(nmi_callback_t callback) vmalloc_sync_all(); rcu_assign_pointer(nmi_callback, callback); } +EXPORT_SYMBOL_GPL(set_nmi_callback); void unset_nmi_callback(void) { nmi_callback = dummy_nmi_callback; } +EXPORT_SYMBOL_GPL(unset_nmi_callback); #ifdef CONFIG_SYSCTL |