summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/kvm.h4
-rw-r--r--arch/x86/kvm/x86.c12
2 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index 950df434763f..f46b79f6c16c 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -254,6 +254,10 @@ struct kvm_reinject_control {
__u8 reserved[31];
};
+/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
+#define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
+#define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
+
/* for KVM_GET/SET_VCPU_EVENTS */
struct kvm_vcpu_events {
struct {
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9d068966fb2a..6651dbf58675 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1913,7 +1913,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
events->sipi_vector = vcpu->arch.sipi_vector;
- events->flags = 0;
+ events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING
+ | KVM_VCPUEVENT_VALID_SIPI_VECTOR);
vcpu_put(vcpu);
}
@@ -1921,7 +1922,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
struct kvm_vcpu_events *events)
{
- if (events->flags)
+ if (events->flags & ~(KVM_VCPUEVENT_VALID_NMI_PENDING
+ | KVM_VCPUEVENT_VALID_SIPI_VECTOR))
return -EINVAL;
vcpu_load(vcpu);
@@ -1938,10 +1940,12 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
kvm_pic_clear_isr_ack(vcpu->kvm);
vcpu->arch.nmi_injected = events->nmi.injected;
- vcpu->arch.nmi_pending = events->nmi.pending;
+ if (events->flags & KVM_VCPUEVENT_VALID_NMI_PENDING)
+ vcpu->arch.nmi_pending = events->nmi.pending;
kvm_x86_ops->set_nmi_mask(vcpu, events->nmi.masked);
- vcpu->arch.sipi_vector = events->sipi_vector;
+ if (events->flags & KVM_VCPUEVENT_VALID_SIPI_VECTOR)
+ vcpu->arch.sipi_vector = events->sipi_vector;
vcpu_put(vcpu);