From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Fri, 11 Jun 2010 13:34:04 +0000 (+0800)
Subject: KVM: MMU: clear unsync_child_bitmap completely
X-Git-Tag: v2.6.36-rc1~580^2~83
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a8f1a74e4193d21e55b35928197486f2c047efb;p=pandora-kernel.git

KVM: MMU: clear unsync_child_bitmap completely

In current code, some page's unsync_child_bitmap is not cleared completely
in mmu_sync_children(), for example, if two PDPEs shard one PDT, one of
PDPE's unsync_child_bitmap is not cleared.

Currently, it not harm anything just little overload, but it's the prepare
work for the later patch

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