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>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index db2c140..8c85b8e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4834,6 +4834,15 @@
{
}
+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 @@
.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,