From a3c870bdce4d34332ebdba7eb9969592c4c6b243 Mon Sep 17 00:00:00 2001
From: Luca Tettamanti <kronos.it@gmail.com>
Date: Tue, 19 Jun 2007 22:41:38 +0200
Subject: [PATCH] KVM: Avoid useless memory write when possible

When writing to normal memory and the memory area is unchanged the write
can be safely skipped, avoiding the costly kvm_mmu_pte_write.

Signed-Off-By: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Reading git-format-patch failed