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KVM: i8254: refactor kvm_free_pit
Could be easier to read, but git history will become deeper. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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1 changed files with 10 additions and 12 deletions
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@ -738,18 +738,16 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
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void kvm_free_pit(struct kvm *kvm)
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{
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struct hrtimer *timer;
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struct kvm_pit *pit = kvm->arch.vpit;
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if (kvm->arch.vpit) {
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kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &kvm->arch.vpit->dev);
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kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS,
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&kvm->arch.vpit->speaker_dev);
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kvm_pit_set_reinject(kvm->arch.vpit, false);
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timer = &kvm->arch.vpit->pit_state.timer;
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hrtimer_cancel(timer);
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flush_kthread_work(&kvm->arch.vpit->expired);
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kthread_stop(kvm->arch.vpit->worker_task);
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kvm_free_irq_source_id(kvm, kvm->arch.vpit->irq_source_id);
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kfree(kvm->arch.vpit);
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if (pit) {
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kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
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kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->speaker_dev);
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kvm_pit_set_reinject(pit, false);
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hrtimer_cancel(&pit->pit_state.timer);
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flush_kthread_work(&pit->expired);
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kthread_stop(pit->worker_task);
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kvm_free_irq_source_id(kvm, pit->irq_source_id);
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kfree(pit);
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}
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}
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