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KVM: PIT: Unregister ack notifier callback when freeing

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Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov 2009-07-16 17:03:30 +03:00 committed by Avi Kivity
parent b927a3cec0
commit 84fde248fe
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kvm/i8254.c
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@ -672,6 +672,8 @@ void kvm_free_pit(struct kvm *kvm)
if (kvm->arch.vpit) {
kvm_unregister_irq_mask_notifier(kvm, 0,
&kvm->arch.vpit->mask_notifier);
kvm_unregister_irq_ack_notifier(kvm,
&kvm->arch.vpit->pit_state.irq_ack_notifier);
mutex_lock(&kvm->arch.vpit->pit_state.lock);
timer = &kvm->arch.vpit->pit_state.pit_timer.timer;
hrtimer_cancel(timer);