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(parent: d2cc9ff) | patch
x86/xsaves: Use xsaves/xrstors to save and restore xsave area
authorFenghua Yu <fenghua.yu@intel.com>
Thu, 29 May 2014 18:12:36 +0000 (11:12 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 29 May 2014 21:31:21 +0000 (14:31 -0700)
commit57fefce984a2e55766e5f9eb11dd323d91edbedd
treed645ef9b40bb233a177bcebf9be1cb9ef77823d6tree | snapshot
parentd2cc9ff577bd18da3714013aa184d9411aa351ddcommit | diff
x86/xsaves: Use xsaves/xrstors to save and restore xsave area

If xsaves is eanbled, use xsaves/xrstors instrucitons to save and restore
xstate. xsaves and xrstors support compacted format, init optimization,
modified optimization, and supervisor states.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1401387164-43416-9-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
arch/x86/include/asm/xsave.h diff | blob | history
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