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>

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6cc29dd..6b97480 100644 (file)
--- 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;