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| author | Tianyu Lan <Tianyu.Lan@microsoft.com> | 2018-07-23 15:31:21 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-06 18:59:19 +0300 |
| commit | 74fec5b9dbaa5e6fe776f6c73e6c00fb23dca844 (patch) | |
| tree | 2b80ce2408e7910c32fd40cb5d156dc9be2ac413 /arch/x86/kvm/x86.c | |
| parent | ee6268ba3a6861b2806e569bff7fe91fbdf846dd (diff) | |
| download | linux-74fec5b9dbaa5e6fe776f6c73e6c00fb23dca844.tar.xz | |
KVM/x86: Move X86_CR4_OSXSAVE check into kvm_valid_sregs()
X86_CR4_OSXSAVE check belongs to sregs check and so move into
kvm_valid_sregs().
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6cc29dd21519..6b974802cadb 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8049,6 +8049,10 @@ EXPORT_SYMBOL_GPL(kvm_task_switch); static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) { + if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && + (sregs->cr4 & X86_CR4_OSXSAVE)) + return -EINVAL; + if ((sregs->efer & EFER_LME) && (sregs->cr0 & X86_CR0_PG)) { /* * When EFER.LME and CR0.PG are set, the processor is in @@ -8079,10 +8083,6 @@ static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) struct desc_ptr dt; int ret = -EINVAL; - if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && - (sregs->cr4 & X86_CR4_OSXSAVE)) - goto out; - if (kvm_valid_sregs(vcpu, sregs)) goto out; |