[PATCH v19 123/130] KVM: TDX: Ignore setting up mce

isaku.yamahata
2024-02-26T08:29:17Z

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>
---
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 9fcd71999bba..7c47b02d88d8 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -899,6 +899,14 @@ 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))
@@ -1085,7 +1093,7 @@ 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,
--
2.25.1