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Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r--arch/x86/kvm/i8254.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 634132a9a512..8772dc946823 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -204,10 +204,10 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps)
if (vcpu0 && waitqueue_active(&vcpu0->wq))
wake_up_interruptible(&vcpu0->wq);
- pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period);
- pt->scheduled = ktime_to_ns(pt->timer.expires);
+ hrtimer_add_expires_ns(&pt->timer, pt->period);
+ pt->scheduled = hrtimer_get_expires_ns(&pt->timer);
if (pt->period)
- ps->channels[0].count_load_time = pt->timer.expires;
+ ps->channels[0].count_load_time = hrtimer_get_expires(&pt->timer);
return (pt->period == 0 ? 0 : 1);
}
@@ -257,7 +257,7 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
timer = &pit->pit_state.pit_timer.timer;
if (hrtimer_cancel(timer))
- hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+ hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
}
static void destroy_pit_timer(struct kvm_kpit_timer *pt)
@@ -545,6 +545,12 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm)
if (!pit)
return NULL;
+ mutex_lock(&kvm->lock);
+ pit->irq_source_id = kvm_request_irq_source_id(kvm);
+ mutex_unlock(&kvm->lock);
+ if (pit->irq_source_id < 0)
+ return NULL;
+
mutex_init(&pit->pit_state.lock);
mutex_lock(&pit->pit_state.lock);
spin_lock_init(&pit->pit_state.inject_lock);
@@ -587,6 +593,7 @@ void kvm_free_pit(struct kvm *kvm)
mutex_lock(&kvm->arch.vpit->pit_state.lock);
timer = &kvm->arch.vpit->pit_state.pit_timer.timer;
hrtimer_cancel(timer);
+ kvm_free_irq_source_id(kvm, kvm->arch.vpit->irq_source_id);
mutex_unlock(&kvm->arch.vpit->pit_state.lock);
kfree(kvm->arch.vpit);
}
@@ -595,8 +602,8 @@ void kvm_free_pit(struct kvm *kvm)
static void __inject_pit_timer_intr(struct kvm *kvm)
{
mutex_lock(&kvm->lock);
- kvm_set_irq(kvm, 0, 1);
- kvm_set_irq(kvm, 0, 0);
+ kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 1);
+ kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 0);
mutex_unlock(&kvm->lock);
}