From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Tue, 21 Aug 2012 03:00:49 +0000 (+0800)
Subject: KVM: use 'writable' as a hint to map writable pfn
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~15^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12ce13fea925ab629f2281be2b9b01cf647a86cd;p=pandora-kernel.git

KVM: use 'writable' as a hint to map writable pfn

In current code, we always map writable pfn for the read fault, in order
to support readonly memslot, we map writable pfn only if 'writable'
is not NULL

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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