KVM: x86: remove vcpu's CPL check in host-invoked XCR set

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / kvm / x86.c

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 094b5d96ab1468c1875a2a2a5e682245f2909db9..e8ba99c341808d6069b0b4f6985b8d71ef243971 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -582,8 +582,6 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
        if (index != XCR_XFEATURE_ENABLED_MASK)
                return 1;
        xcr0 = xcr;
-       if (kvm_x86_ops->get_cpl(vcpu) != 0)
-               return 1;
        if (!(xcr0 & XSTATE_FP))
                return 1;
        if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE))
@@ -597,7 +595,8 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 
 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 {
-       if (__kvm_set_xcr(vcpu, index, xcr)) {
+       if (kvm_x86_ops->get_cpl(vcpu) != 0 ||
+           __kvm_set_xcr(vcpu, index, xcr)) {
                kvm_inject_gp(vcpu, 0);
                return 1;
        }