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i386/tdx: Make invtsc default on

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Because it's fixed1 bit that enforced by TDX module.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-54-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2025-05-08 10:59:59 -04:00 • committed by Paolo Bonzini
parent deb9db6fb7
commit ea4867b911
1 changed files with 3 additions and 0 deletions
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3
target/i386/kvm/tdx.c
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@ -742,6 +742,9 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu)
object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
/* invtsc is fixed1 for TD guest */
object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort);
x86cpu->enable_cpuid_0x1f = true;
}