diff options
| author | Gayatri Kammela <gayatri.kammela@intel.com> | 2019-07-17 16:46:32 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-22 10:38:25 +0200 |
| commit | 018ebca8bd704f18d56f8fff38e2c3d76d7d39fb (patch) | |
| tree | ad4e66873eb6ac92859c2eecdbb9bcd366701a46 /arch/x86/kernel/cpu | |
| parent | 1e0c08e3034de0659367393bfa825188462f22e6 (diff) | |
x86/cpufeatures: Enable a new AVX512 CPU feature
Add a new AVX512 instruction group/feature for enumeration in
/proc/cpuinfo: AVX512_VP2INTERSECT.
CPUID.(EAX=7,ECX=0):EDX[bit 8] AVX512_VP2INTERSECT
Detailed information of CPUID bits for this feature can be found in
the Intel Architecture Intsruction Set Extensions Programming Reference
document (refer to Table 1-2). A copy of this document is available at
https://bugzilla.kernel.org/show_bug.cgi?id=204215.
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190717234632.32673-3-gayatri.kammela@intel.com
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/cpuid-deps.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c index 630a9f77fb6b..3cbe24ca80ab 100644 --- a/arch/x86/kernel/cpu/cpuid-deps.c +++ b/arch/x86/kernel/cpu/cpuid-deps.c @@ -64,6 +64,7 @@ static const struct cpuid_dep cpuid_deps[] = { { X86_FEATURE_AVX512_4VNNIW, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_4FMAPS, X86_FEATURE_AVX512F }, { X86_FEATURE_AVX512_VPOPCNTDQ, X86_FEATURE_AVX512F }, + { X86_FEATURE_AVX512_VP2INTERSECT, X86_FEATURE_AVX512VL }, { X86_FEATURE_CQM_OCCUP_LLC, X86_FEATURE_CQM_LLC }, { X86_FEATURE_CQM_MBM_TOTAL, X86_FEATURE_CQM_LLC }, { X86_FEATURE_CQM_MBM_LOCAL, X86_FEATURE_CQM_LLC }, |