From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
Despite advertising MCE support to the guest, TDX-SEAM doesn't support
injecting #MCs into the guest. All of the associated setup is thus
rejected by KVM.
Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
---
target/i386/kvm/kvm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 27b64dedc2..c29cb420a1 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1825,7 +1825,8 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (((env->cpuid_version >> 8)&0xF) >= 6
&& (env->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
(CPUID_MCE | CPUID_MCA)
- && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0) {
+ && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0
+ && vm_type != KVM_X86_TDX_VM) {
uint64_t mcg_cap, unsupported_caps;
int banks;
int ret;
--
2.25.1
