From: Avi Kivity <avi@qumranet.com>
Date: Thu, 11 Oct 2007 13:12:24 +0000 (+0200)
Subject: KVM: MMU: Disable write access on clean large pages
X-Git-Tag: v2.6.25-rc1~1138^2~216
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc70e7374df1e3a56d718e8ca330619f316511a6;p=pandora-kernel.git

KVM: MMU: Disable write access on clean large pages

By forcing clean huge pages to be read-only, we have separate roles
for the shadow of a clean large page and the shadow of a dirty large
page.  This is necessary because different ptes will be instantiated
for the two cases, even for read faults.

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