From: Avi Kivity <avi@redhat.com>
Date: Tue, 21 Dec 2010 10:54:20 +0000 (+0200)
Subject: KVM: VMX: Optimize atomic EFER load
X-Git-Tag: v2.6.38-rc1~244^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=110312c84b5fbd4daf5de2417fa8ab5ec883858d;p=pandora-kernel.git

KVM: VMX: Optimize atomic EFER load

When NX is enabled on the host but not on the guest, we use the entry/exit
msr load facility, which is slow.  Optimize it to use entry/exit efer load,
which is ~1200 cycles faster.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

Reading git-diff-tree failed