From: Dexuan Cui <dexuan.cui@intel.com>
Date: Thu, 10 Jun 2010 03:27:12 +0000 (+0800)
Subject: KVM: VMX: Enable XSAVE/XRSTOR for guest
X-Git-Tag: v2.6.36-rc1~580^2~94
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2acf923e38fb6a4ce0c57115decbb38d334902ac;p=pandora-kernel.git

KVM: VMX: Enable XSAVE/XRSTOR for guest

This patch enable guest to use XSAVE/XRSTOR instructions.

We assume that host_xcr0 would use all possible bits that OS supported.

And we loaded xcr0 in the same way we handled fpu - do it as late as we can.

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

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