diff options
Diffstat (limited to 'arch/x86/kernel/irq.c')
| -rw-r--r-- | arch/x86/kernel/irq.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 84b778962c66..ac0631d8996f 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -224,6 +224,28 @@ void smp_x86_platform_ipi(struct pt_regs *regs) set_irq_regs(old_regs); } +#ifdef CONFIG_HAVE_KVM +/* + * Handler for POSTED_INTERRUPT_VECTOR. + */ +void smp_kvm_posted_intr_ipi(struct pt_regs *regs) +{ + struct pt_regs *old_regs = set_irq_regs(regs); + + ack_APIC_irq(); + + irq_enter(); + + exit_idle(); + + inc_irq_stat(kvm_posted_intr_ipis); + + irq_exit(); + + set_irq_regs(old_regs); +} +#endif + EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq); #ifdef CONFIG_HOTPLUG_CPU |