linux/arch/x86/kernel/fpu
Gayatri Kammela a8d9df5a50 x86/cpufeatures: Enable new AVX512 cpu features
Add a few new AVX512 instruction groups/features for enumeration in
/proc/cpuinfo: AVX512IFMA and AVX512VBMI.

Clear the flags in fpu_xstate_clear_all_cpu_caps().

CPUID.(EAX=7,ECX=0):EBX[bit 21] AVX512IFMA
CPUID.(EAX=7,ECX=0):ECX[bit 1]  AVX512VBMI

Detailed information of cpuid bits for the features can be found at
https://bugzilla.kernel.org/show_bug.cgi?id=187891

Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: mingo@elte.hu
Link: http://lkml.kernel.org/r/1479327060-18668-1-git-send-email-gayatri.kammela@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-11-17 01:09:40 +01:00
..
bugs.c x86/fpu: Remove check_fpu() indirection 2016-04-13 11:37:43 +02:00
core.c x86/pkeys: Default to a restrictive init PKRU 2016-09-09 13:02:28 +02:00
init.c x86/asm: Move the thread_info::status field to thread_struct 2016-09-15 08:25:12 +02:00
Makefile x86/fpu: Factor out the FPU regset code into fpu/regset.c 2015-05-19 15:48:09 +02:00
regset.c x86/fpu/xstate: Fix PTRACE frames for XSAVES 2016-07-10 17:12:10 +02:00
signal.c tree-wide: replace config_enabled() with IS_ENABLED() 2016-08-04 08:50:07 -04:00
xstate.c x86/cpufeatures: Enable new AVX512 cpu features 2016-11-17 01:09:40 +01:00