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KVM: SVM: Refactor AVIC vcpu initialization into avic_init_vcpu()

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

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Suravee Suthikulpanit 2017-09-12 10:42:40 -05:00 committed by Radim Krčmář
parent 5153723388
commit dfa20099e2
1 changed files with 20 additions and 8 deletions
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28
arch/x86/kvm/svm.c
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@ -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;
@ -1636,14 +1653,9 @@ 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);
if (err)
goto free_page4;
INIT_LIST_HEAD(&svm->ir_list);
spin_lock_init(&svm->ir_list_lock);
}
err = avic_init_vcpu(svm);
if (err)
goto free_page4;
/* We initialize this flag to true to make sure that the is_running
* bit would be set the first time the vcpu is loaded.