Currently, pmu is not supported for TDX by KVM.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
chanegs in v6:
 - new patch;
---
 target/i386/kvm/tdx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 394f1d75dc0d..61fb1f184149 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -384,6 +384,11 @@ static int tdx_kvm_type(X86ConfidentialGuest *cg)
     return KVM_X86_TDX_VM;
 }
 
+static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu)
+{
+    object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
+}
+
 static int tdx_validate_attributes(TdxGuest *tdx, Error **errp)
 {
     if ((tdx->attributes & ~tdx_caps->supported_attrs)) {
@@ -727,4 +732,5 @@ static void tdx_guest_class_init(ObjectClass *oc, void *data)
 
     klass->kvm_init = tdx_kvm_init;
     x86_klass->kvm_type = tdx_kvm_type;
+    x86_klass->cpu_instance_init = tdx_cpu_instance_init;
 }
-- 
2.34.1