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KVM/x86: Move X86_CR4_OSXSAVE check into kvm_valid_sregs()

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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>
This commit is contained in:
Tianyu Lan 2018-07-23 12:31:21 +00:00 committed by Paolo Bonzini
parent ee6268ba3a
commit 74fec5b9db
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kvm/x86.c
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@ -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;