From 1403283acca398e244ece35741ad251c1feb5972 Mon Sep 17 00:00:00 2001
From: Izik Eidus <ieidus@redhat.com>
Date: Wed, 23 Sep 2009 21:47:17 +0300
Subject: [PATCH] KVM: MMU: add SPTE_HOST_WRITEABLE flag to the shadow ptes

this flag notify that the host physical page we are pointing to from
the spte is write protected, and therefore we cant change its access
to be write unless we run get_user_pages(write = 1).

(this is needed for change_pte support in kvm)

Signed-off-by: Izik Eidus <ieidus@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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