From 12ce13fea925ab629f2281be2b9b01cf647a86cd Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Tue, 21 Aug 2012 11:00:49 +0800
Subject: [PATCH] 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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Reading git-format-patch failed