From 1b9778dae71dc64d3678d766c0f1fbed79c80f9f Mon Sep 17 00:00:00 2001 From: Eddie Dong Date: Mon, 3 Sep 2007 16:56:58 +0300 Subject: KVM: Keep track of missed timer irq injections APIC timer IRQ is set every time when a certain period expires at host time, but the guest may be descheduled at that time and thus the irq be overwritten by later fire. This patch keep track of firing irq numbers and decrease only when the IRQ is injected to guest or buffered in APIC. Signed-off-by: Yaozu (Eddie) Dong Signed-off-by: Qing He Signed-off-by: Avi Kivity --- drivers/kvm/irq.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/kvm/irq.c') diff --git a/drivers/kvm/irq.c b/drivers/kvm/irq.c index e09cd65925d6..b88e50115588 100644 --- a/drivers/kvm/irq.c +++ b/drivers/kvm/irq.c @@ -78,3 +78,16 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu) smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0); } +void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu) +{ + kvm_inject_apic_timer_irqs(vcpu); + /* TODO: PIT, RTC etc. */ +} +EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs); + +void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec) +{ + kvm_apic_timer_intr_post(vcpu, vec); + /* TODO: PIT, RTC etc. */ +} +EXPORT_SYMBOL_GPL(kvm_timer_intr_post); -- cgit v1.2.1