Commit 967235d3 authored by Paolo Bonzini's avatar Paolo Bonzini

KVM: vmx: clear pending interrupts on KVM_SET_LAPIC

Pending interrupts might be in the PI descriptor when the
LAPIC is restored from an external state; we do not want
them to be injected.
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent db1c056c
...@@ -2204,8 +2204,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) ...@@ -2204,8 +2204,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s)
1 : count_vectors(apic->regs + APIC_ISR); 1 : count_vectors(apic->regs + APIC_ISR);
apic->highest_isr_cache = -1; apic->highest_isr_cache = -1;
if (vcpu->arch.apicv_active) { if (vcpu->arch.apicv_active) {
if (kvm_x86_ops->apicv_post_state_restore) kvm_x86_ops->apicv_post_state_restore(vcpu);
kvm_x86_ops->apicv_post_state_restore(vcpu);
kvm_x86_ops->hwapic_irr_update(vcpu, kvm_x86_ops->hwapic_irr_update(vcpu,
apic_find_highest_irr(apic)); apic_find_highest_irr(apic));
kvm_x86_ops->hwapic_isr_update(vcpu, kvm_x86_ops->hwapic_isr_update(vcpu,
......
...@@ -8749,6 +8749,14 @@ static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) ...@@ -8749,6 +8749,14 @@ static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
vmcs_write64(EOI_EXIT_BITMAP3, eoi_exit_bitmap[3]); vmcs_write64(EOI_EXIT_BITMAP3, eoi_exit_bitmap[3]);
} }
static void vmx_apicv_post_state_restore(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
pi_clear_on(&vmx->pi_desc);
memset(vmx->pi_desc.pir, 0, sizeof(vmx->pi_desc.pir));
}
static void vmx_complete_atomic_exit(struct vcpu_vmx *vmx) static void vmx_complete_atomic_exit(struct vcpu_vmx *vmx)
{ {
u32 exit_intr_info; u32 exit_intr_info;
...@@ -11574,6 +11582,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { ...@@ -11574,6 +11582,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
.get_enable_apicv = vmx_get_enable_apicv, .get_enable_apicv = vmx_get_enable_apicv,
.refresh_apicv_exec_ctrl = vmx_refresh_apicv_exec_ctrl, .refresh_apicv_exec_ctrl = vmx_refresh_apicv_exec_ctrl,
.load_eoi_exitmap = vmx_load_eoi_exitmap, .load_eoi_exitmap = vmx_load_eoi_exitmap,
.apicv_post_state_restore = vmx_apicv_post_state_restore,
.hwapic_irr_update = vmx_hwapic_irr_update, .hwapic_irr_update = vmx_hwapic_irr_update,
.hwapic_isr_update = vmx_hwapic_isr_update, .hwapic_isr_update = vmx_hwapic_isr_update,
.sync_pir_to_irr = vmx_sync_pir_to_irr, .sync_pir_to_irr = vmx_sync_pir_to_irr,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment