Messages in this thread | | | Date | Sun, 12 Apr 2009 13:13:14 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] x86: add linux kernel support for YMM state |
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* Suresh Siddha <suresh.b.siddha@intel.com> wrote:
> From: Suresh Siddha <suresh.b.siddha@intel.com> > Subject: x86: add linux kernel support for YMM state > > 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>
This looks very straightforward - if a CPU announces this capability we save/restore that state via xsave/xrstor.
So i've applied it to x86/urgent - looks uncontroversial enough to still go into 2.6.30. Have you tested it on real silicon too?
Ingo
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