tree 6a5418033c233648b436610a6f6730f37ba80144
parent 1ee4bd92a7aa49eb66c8d5672e837090d3e7b7ff
author Suresh Siddha <suresh.b.siddha@intel.com> 1239402084 -0700
committer Ingo Molnar <mingo@elte.hu> 1239534536 +0200

x86: add linux kernel support for YMM state

Impact: save/restore Intel-AVX state properly between tasks

Intel Advanced Vector Extensions (AVX) introduce 256-bit vector processing
capability. More about AVX at http://software.intel.com/sites/avx

Add OS support for YMM state management using xsave/xrstor infrastructure
to support AVX.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <1239402084.27006.8057.camel@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>