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authorXiaoyao Li <xiaoyao.li@intel.com>2025-06-25 11:57:10 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2025-07-12 15:28:21 +0200
commit7ff24fb657d35c014f735f69aef03810fde607ab (patch)
treebc7fafca3b30800bad86a25bfcbe334a81741fd5 /rust/qemu-api/src
parent50fd57418c3f08f13eb964dcb49f065246f2ecbf (diff)
downloadfocaccia-qemu-7ff24fb657d35c014f735f69aef03810fde607ab.tar.gz
focaccia-qemu-7ff24fb657d35c014f735f69aef03810fde607ab.zip
i386/tdx: Don't mask off CPUID_EXT_PDCM
It gets below warning when booting TDX VMs:

  warning: TDX forcibly sets the feature: CPUID[eax=01h].ECX.pdcm [bit 15]

Because CPUID_EXT_PDCM is fixed1 for TDX, and MSR_IA32_PERF_CAPABILITIES is
supported for TDX guest unconditioanlly.

Don't mask off CPUID_EXT_PDCM for TDX.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250625035710.2770679-1-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'rust/qemu-api/src')
0 files changed, 0 insertions, 0 deletions