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| author | Tao Su <tao1.su@linux.intel.com> | 2023-07-06 13:49:44 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-07-07 12:49:22 +0200 |
| commit | 8731336e90dea3dd04948127e775c9f087f97a4c (patch) | |
| tree | 557426b1365f5ec309f5525e13bd8ec94c5d0f4a /module-common.c | |
| parent | ca2a5e630dc1f569266fb663bf0b65e4eb433fb2 (diff) | |
target/i386: Adjust feature level according to FEAT_7_1_EDX
If FEAT_7_1_EAX is 0 and FEAT_7_1_EDX is non-zero, as is the case
with a Granite Rapids host and
'-cpu host,-avx-vnni,-avx512-bf16,-fzrm,-fsrs,-fsrc,-amx-fp16', we can't
get CPUID_7_1 leaf even though CPUID_7_1_EDX has non-zero value.
Update cpuid_level_func7 according to CPUID_7_1_EDX, otherwise
guest may report wrong maximum number sub-leaves in leaf 07H.
Fixes: eaaa197d5b11 ("target/i386: Add support for AVX-VNNI-INT8 in CPUID enumeration")
Cc: qemu-stable@nongnu.org
Signed-off-by: Tao Su <tao1.su@linux.intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-ID: <20230706054949.66556-2-tao1.su@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'module-common.c')
0 files changed, 0 insertions, 0 deletions