From: Avi Kivity <avi@redhat.com>
Date: Wed, 28 Apr 2010 13:42:29 +0000 (+0300)
Subject: KVM: VMX: Atomically switch efer if EPT && !EFER.NX
X-Git-Tag: v2.6.35-rc1~436^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84ad33ef5dbc12665ad42ee07a2daed473d3ec54;p=pandora-kernel.git

KVM: VMX: Atomically switch efer if EPT && !EFER.NX

When EPT is enabled, we cannot emulate EFER.NX=0 through the shadow page
tables.  This causes accesses through ptes with bit 63 set to succeed instead
of failing a reserved bit check.

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