TDX architecture forcibly sets some CPUID bits for TD guest that VMM
cannot disable it. They are fixed1 bits.
Fixed1 bits are not covered by tdx_caps.cpuid (which only contains the
directly configurable bits), while fixed1 bits are supported for TD guest
obviously.
Add fixed1 bits to tdx_supported_cpuid. Besides, set all the fixed1
bits to the initial set of KVM's support since KVM might not report them
as supported.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-46-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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