@@ -3529,7 +3529,7 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
memset(&events->reserved, 0, sizeof(events->reserved));
}
-static void kvm_set_hflags(struct kvm_vcpu *vcpu, unsigned emul_flags);
+static void kvm_smm_changed(struct kvm_vcpu *vcpu);
static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
struct kvm_vcpu_events *events)
@@ -3589,12 +3589,13 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
vcpu->arch.apic->sipi_vector = events->sipi_vector;
if (events->flags & KVM_VCPUEVENT_VALID_SMM) {
- u32 hflags = vcpu->arch.hflags;
- if (events->smi.smm)
- hflags |= HF_SMM_MASK;
- else
- hflags &= ~HF_SMM_MASK;
- kvm_set_hflags(vcpu, hflags);
+ if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) {
+ if (events->smi.smm)
+ vcpu->arch.hflags |= HF_SMM_MASK;
+ else
+ vcpu->arch.hflags &= ~HF_SMM_MASK;
+ kvm_smm_changed(vcpu);
+ }
vcpu->arch.smi_pending = events->smi.pending;
@@ -6219,16 +6220,6 @@ static void kvm_smm_changed(struct kvm_vcpu *vcpu)
kvm_mmu_reset_context(vcpu);
}
-static void kvm_set_hflags(struct kvm_vcpu *vcpu, unsigned emul_flags)
-{
- unsigned changed = vcpu->arch.hflags ^ emul_flags;
-
- vcpu->arch.hflags = emul_flags;
-
- if (changed & HF_SMM_MASK)
- kvm_smm_changed(vcpu);
-}
-
static int kvm_vcpu_check_hw_bp(unsigned long addr, u32 type, u32 dr7,
unsigned long *db)
{
@@ -7859,8 +7850,10 @@ static int leave_smm(struct kvm_vcpu *vcpu)
if ((vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK) == 0)
kvm_x86_ops->set_nmi_mask(vcpu, false);
- kvm_set_hflags(vcpu,
- vcpu->arch.hflags & ~(HF_SMM_INSIDE_NMI_MASK | HF_SMM_MASK));
+ vcpu->arch.hflags &= ~(HF_SMM_INSIDE_NMI_MASK | HF_SMM_MASK);
+
+ kvm_smm_changed(vcpu);
+
return X86EMUL_CONTINUE;
}
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> --- arch/x86/kvm/x86.c | 31 ++++++++++++------------------- 1 file changed, 12 insertions(+), 19 deletions(-)