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| author | Terry Bowman <terry.bowman@amd.com> | 2023-02-06 08:18:30 -0600 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-03-07 23:27:07 +0100 |
| commit | 4e347bdf44c1fd4296a7b9657a2c0e1bd900fa50 (patch) | |
| tree | 359b80c74ab639a95f463ab37f0466b4a24900ac /tools/arch/x86 | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
| download | linux-4e347bdf44c1fd4296a7b9657a2c0e1bd900fa50.tar.gz linux-4e347bdf44c1fd4296a7b9657a2c0e1bd900fa50.tar.bz2 linux-4e347bdf44c1fd4296a7b9657a2c0e1bd900fa50.zip | |
tools/x86/kcpuid: Fix avx512bw and avx512lvl fields in Fn00000007
Leaf Fn00000007 contains avx512bw at bit 26 and avx512vl at bit 28. This
is incorrect per the SDM. Correct avx512bw to be bit 30 and avx512lvl to
be bit 31.
Fixes: c6b2f240bf8d ("tools/x86: Add a kcpuid tool to show raw CPU features")
Signed-off-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Link: https://lore.kernel.org/r/20230206141832.4162264-2-terry.bowman@amd.com
Diffstat (limited to 'tools/arch/x86')
| -rw-r--r-- | tools/arch/x86/kcpuid/cpuid.csv | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv index 4f1c4b0c29e9..9914bdf4fc9e 100644 --- a/tools/arch/x86/kcpuid/cpuid.csv +++ b/tools/arch/x86/kcpuid/cpuid.csv @@ -184,8 +184,8 @@ 7, 0, EBX, 27, avx512er, AVX512 Exponent Reciproca instr 7, 0, EBX, 28, avx512cd, AVX512 Conflict Detection instr 7, 0, EBX, 29, sha, Intel Secure Hash Algorithm Extensions instr - 7, 0, EBX, 26, avx512bw, AVX512 Byte & Word instr - 7, 0, EBX, 28, avx512vl, AVX512 Vector Length Extentions (VL) + 7, 0, EBX, 30, avx512bw, AVX512 Byte & Word instr + 7, 0, EBX, 31, avx512vl, AVX512 Vector Length Extentions (VL) 7, 0, ECX, 0, prefetchwt1, X 7, 0, ECX, 1, avx512vbmi, AVX512 Vector Byte Manipulation Instructions 7, 0, ECX, 2, umip, User-mode Instruction Prevention |