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| author | Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> | 2016-05-04 21:09:49 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-05-18 18:04:30 +0200 |
| commit | be8ca170edf342cc45ae4a6431ef192e5cbe211e (patch) | |
| tree | 1bf04e60221c1d247b02514a1bcc7710bf5f3d77 /arch/x86/kvm/svm.c | |
| parent | svm: Add VMEXIT handlers for AVIC (diff) | |
| download | linux-be8ca170edf342cc45ae4a6431ef192e5cbe211e.tar.xz linux-be8ca170edf342cc45ae4a6431ef192e5cbe211e.zip | |
KVM: x86: Introducing kvm_x86_ops.apicv_post_state_restore
Adding kvm_x86_ops hooks to allow APICv to do post state restore.
This is required to support VM save and restore feature.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index db2c140ed079..8c85b8ee68b6 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4834,6 +4834,15 @@ static void svm_sched_in(struct kvm_vcpu *vcpu, int cpu) { } +static inline void avic_post_state_restore(struct kvm_vcpu *vcpu) +{ + if (avic_handle_apic_id_update(vcpu) != 0) + return; + if (avic_handle_dfr_update(vcpu) != 0) + return; + avic_handle_ldr_update(vcpu); +} + static struct kvm_x86_ops svm_x86_ops = { .cpu_has_kvm_support = has_svm, .disabled_by_bios = is_disabled, @@ -4914,6 +4923,7 @@ static struct kvm_x86_ops svm_x86_ops = { .sync_pir_to_irr = svm_sync_pir_to_irr, .hwapic_irr_update = svm_hwapic_irr_update, .hwapic_isr_update = svm_hwapic_isr_update, + .apicv_post_state_restore = avic_post_state_restore, .set_tss_addr = svm_set_tss_addr, .get_tdp_level = get_npt_level, |