[PATCH v3 1/3] KVM: VMX: move msr_ia32_feature_control to vcpu_vmx

[Haozhong Zhang]

msr_ia32_feature_control will be used for LMCE and not depend only on
nested anymore, so move it from struct nested_vmx to struct vcpu_vmx.

Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
---
 arch/x86/kvm/vmx.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e185649..ad66978 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -428,7 +428,6 @@ struct nested_vmx {
        struct pi_desc *pi_desc;
        bool pi_pending;
        u16 posted_intr_nv;
-       u64 msr_ia32_feature_control;
 
        struct hrtimer preemption_timer;
        bool preemption_timer_expired;
@@ -612,6 +611,8 @@ struct vcpu_vmx {
        bool guest_pkru_valid;
        u32 guest_pkru;
        u32 host_pkru;
+
+       u64 msr_ia32_feature_control;
 };
 
 enum segment_cache_field {
@@ -2970,9 +2971,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct 
msr_data *msr_info)
                msr_info->data = vmcs_read64(GUEST_BNDCFGS);
                break;
        case MSR_IA32_FEATURE_CONTROL:
-               if (!nested_vmx_allowed(vcpu))
-                       return 1;
-               msr_info->data = to_vmx(vcpu)->nested.msr_ia32_feature_control;
+               msr_info->data = to_vmx(vcpu)->msr_ia32_feature_control;
                break;
        case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
                if (!nested_vmx_allowed(vcpu))
@@ -3064,10 +3063,10 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct 
msr_data *msr_info)
                break;
        case MSR_IA32_FEATURE_CONTROL:
                if (!nested_vmx_allowed(vcpu) ||
-                   (to_vmx(vcpu)->nested.msr_ia32_feature_control &
+                   (to_vmx(vcpu)->msr_ia32_feature_control &
                     FEATURE_CONTROL_LOCKED && !msr_info->host_initiated))
                        return 1;
-               vmx->nested.msr_ia32_feature_control = data;
+               vmx->msr_ia32_feature_control = data;
                if (msr_info->host_initiated && data == 0)
                        vmx_leave_nested(vcpu);
                break;
@@ -6939,7 +6938,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
                return 1;
        }
 
-       if ((vmx->nested.msr_ia32_feature_control & VMXON_NEEDED_FEATURES)
+       if ((vmx->msr_ia32_feature_control & VMXON_NEEDED_FEATURES)
                        != VMXON_NEEDED_FEATURES) {
                kvm_inject_gp(vcpu, 0);
                return 1;
-- 
2.9.0