From: Avi Kivity <avi@qumranet.com>
Date: Tue, 18 Mar 2008 09:05:52 +0000 (+0200)
Subject: KVM: MMU: Set the accessed bit on non-speculative shadow ptes
X-Git-Tag: v2.6.26-rc1~1028^2~79
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=947da53830690cbd77d7f2b625d0df1f161ffd54;p=pandora-kernel.git

KVM: MMU: Set the accessed bit on non-speculative shadow ptes

If we populate a shadow pte due to a fault (and not speculatively due to a
pte write) then we can set the accessed bit on it, as we know it will be
set immediately on the next guest instruction.  This saves a read-modify-write
operation.

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