From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Sun, 22 Aug 2010 11:12:48 +0000 (+0800)
Subject: KVM: MMU: prefetch ptes when intercepted guest #PF
X-Git-Tag: v2.6.37-rc1~142^2~154
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=957ed9effd80b04482cbdce8c95bdf803a656b94;p=pandora-kernel.git

KVM: MMU: prefetch ptes when intercepted guest #PF

Support prefetch ptes when intercept guest #PF, avoid to #PF by later
access

If we meet any failure in the prefetch path, we will exit it and
not try other ptes to avoid become heavy path

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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