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| author | Xiaoyao Li <xiaoyao.li@intel.com> | 2025-05-08 10:59:40 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-05-28 19:35:54 +0200 |
| commit | 9002494f80b751a7655045c5f46bf90bc1d3bbd0 (patch) | |
| tree | 2c4ba35244d20ede4dbb45ca55a1093263bceb7a | |
| parent | ab8bd85adf75900edc2764d0ebe8b53867cc54aa (diff) | |
| download | qemu-9002494f80b751a7655045c5f46bf90bc1d3bbd0.zip qemu-9002494f80b751a7655045c5f46bf90bc1d3bbd0.tar.gz qemu-9002494f80b751a7655045c5f46bf90bc1d3bbd0.tar.bz2 | |
i386/tdx: Force exposing CPUID 0x1f
TDX uses CPUID 0x1f to configure TD guest's CPU topology. So set
enable_cpuid_0x1f for TDs.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-35-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | target/i386/kvm/tdx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 7c5e59c..accaefb 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -400,7 +400,11 @@ static int tdx_kvm_type(X86ConfidentialGuest *cg) static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu) { + X86CPU *x86cpu = X86_CPU(cpu); + object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort); + + x86cpu->enable_cpuid_0x1f = true; } static int tdx_validate_attributes(TdxGuest *tdx, Error **errp) |