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Commit dfa20099 authored by Suravee Suthikulpanit's avatar Suravee Suthikulpanit Committed by Radim Krčmář
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KVM: SVM: Refactor AVIC vcpu initialization into avic_init_vcpu() 



Preparing the base code for subsequent changes. This does not change
existing logic.

Signed-off-by: default avatarSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 51537233

arch/x86/kvm/svm.c

+20 −8
Original line number Diff line number Diff line
@@ -1600,6 +1600,23 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) 
		avic_update_vapic_bar(svm, APIC_DEFAULT_PHYS_BASE);

}



static int avic_init_vcpu(struct vcpu_svm *svm)

{

	int ret;



	if (!avic)

		return 0;



	ret = avic_init_backing_page(&svm->vcpu);

	if (ret)

		return ret;



	INIT_LIST_HEAD(&svm->ir_list);

	spin_lock_init(&svm->ir_list_lock);



	return ret;

}



static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)

{

	struct vcpu_svm *svm;
@@ -1636,15 +1653,10 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) 
	if (!hsave_page)

		goto free_page3;



	if (avic) {

		err = avic_init_backing_page(&svm->vcpu);

	err = avic_init_vcpu(svm);

	if (err)

		goto free_page4;



		INIT_LIST_HEAD(&svm->ir_list);

		spin_lock_init(&svm->ir_list_lock);

	}



	/* We initialize this flag to true to make sure that the is_running

	 * bit would be set the first time the vcpu is loaded.

	 */