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x86, xsave: enable xsave/xrstor on cpus with xsave support
authorSuresh Siddha <suresh.b.siddha@intel.com>
Tue, 29 Jul 2008 17:29:19 +0000 (10:29 -0700)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jul 2008 17:49:24 +0000 (19:49 +0200)
Enables xsave/xrstor by turning on cr4.osxsave on cpu's which have
the xsave support. For now, features that OS supports/enabled are
FP and SSE.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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