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    Subject[PATCH 34/46] KVM: PIT: Unregister ack notifier callback when freeing
    Date
    From: Gleb Natapov <gleb@redhat.com>

    Signed-off-by: Gleb Natapov <gleb@redhat.com>
    Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
    ---
    arch/x86/kvm/i8254.c | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
    index 137e548..472653c 100644
    --- a/arch/x86/kvm/i8254.c
    +++ b/arch/x86/kvm/i8254.c
    @@ -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);
    --
    1.6.4.1


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