From d2dd1f08ed6ee548ffbff9aa8675706e384ef6ad Mon Sep 17 00:00:00 2001
From: Xiaoyao Li <xiaoyao.li@intel.com>
Date: Fri, 26 Jan 2024 02:10:32 -0500
Subject: [PATCH] i386/tdx: Disable pmu for TD guest

Current KVM doesn't support PMU for TD guest. It returns error if TD is
created with PMU bit being set in attributes.

Disable PMU for TD guest on QEMU side.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
 target/i386/kvm/tdx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 262e86fd2c..1c12cda002 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -496,6 +496,8 @@ int tdx_pre_create_vcpu(CPUState *cpu, Error **errp)
     g_autofree struct kvm_tdx_init_vm *init_vm = NULL;
     int r = 0;
 
+    object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
+
     QEMU_LOCK_GUARD(&tdx_guest->lock);
     if (tdx_guest->initialized) {
         return r;