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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2017-09-12 10:42:40 -0500 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-09-13 18:29:06 +0200 |
| commit | dfa20099e26e35cd9e83d4d43172615c73c4e9f5 (patch) | |
| tree | 534dd0828483de6e77dbaac18ba2a0558306c929 | |
| parent | 5153723388c8691b886eb9ad28dde92c01f9b191 (diff) | |
| download | linux-dfa20099e26e35cd9e83d4d43172615c73c4e9f5.tar.bz2 | |
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: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index af54327b9017..cab020acb509 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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. |