KVM: VMX: fix vmwrite to invalid VMCS

[karo-tx-linux.git] / arch / x86 / kvm / cpuid.c

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 64dd467930997adbfa6aecd25641ef2004c5488c..2fbea2544f2437bc0ae50ef00288dc320effd81e 100644 (file)
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -98,6 +98,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
                best->ebx = xstate_required_size(vcpu->arch.xcr0, true);
 
        vcpu->arch.eager_fpu = use_eager_fpu() || guest_cpuid_has_mpx(vcpu);
+       if (vcpu->arch.eager_fpu)
+               kvm_x86_ops->fpu_activate(vcpu);
 
        /*
         * The existing code assumes virtual address is 48-bit in the canonical