From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Mon, 11 Jul 2011 19:32:13 +0000 (+0800)
Subject: KVM: MMU: lockless walking shadow page table
X-Git-Tag: v3.1-rc1~264^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2a2ac2b563ccc3a69540965b5a994c19e3817d7;p=pandora-kernel.git

KVM: MMU: lockless walking shadow page table

Use rcu to protect shadow pages table to be freed, so we can safely walk it,
it should run fastly and is needed by mmio page fault

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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