[PATCH v2 16/20] KVM: TDX: Ignore setting up mce

Binbin Wu posted 20 patches 9 months, 3 weeks ago
[PATCH v2 16/20] KVM: TDX: Ignore setting up mce
Posted by Binbin Wu 9 months, 3 weeks ago
From: Isaku Yamahata <isaku.yamahata@intel.com>

Because vmx_set_mce function is VMX specific and it cannot be used for TDX.
Add vt stub to ignore setting up mce for TDX.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
---
TDX "the rest" v2:
- No change.
---
 arch/x86/kvm/vmx/main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
index 554975f053ff..d73ea9ce750d 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -843,6 +843,14 @@ static void vt_cancel_hv_timer(struct kvm_vcpu *vcpu)
 }
 #endif
 
+static void vt_setup_mce(struct kvm_vcpu *vcpu)
+{
+	if (is_td_vcpu(vcpu))
+		return;
+
+	vmx_setup_mce(vcpu);
+}
+
 static int vt_mem_enc_ioctl(struct kvm *kvm, void __user *argp)
 {
 	if (!is_td(kvm))
@@ -1002,7 +1010,7 @@ struct kvm_x86_ops vt_x86_ops __initdata = {
 	.cancel_hv_timer = vt_cancel_hv_timer,
 #endif
 
-	.setup_mce = vmx_setup_mce,
+	.setup_mce = vt_setup_mce,
 
 #ifdef CONFIG_KVM_SMM
 	.smi_allowed = vt_smi_allowed,
-- 
2.46.0