Use gfn_to_mfn_query() rather then gfn_to_mfn() when changing P2M types

Use gfn_to_mfn_query() rather then gfn_to_mfn() when changing
P2M types since we do not really want to force a PoD allocation
as a side effect.

Signed-off-by: Paul Durrant <Paul.Durrant@citrix.com>

diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
index 717921bc4683983a0d52620963b7ce5ec70c4eb7..36728c6192c4b40e799c8e0d8ec8e3799d128e99 100644 (file)
--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -2557,7 +2557,7 @@ p2m_type_t p2m_change_type(struct domain *d, unsigned long gfn,
 
     p2m_lock(d->arch.p2m);
 
-    mfn = gfn_to_mfn(d, gfn, &pt);
+    mfn = gfn_to_mfn_query(d, gfn, &pt);
     if ( pt == ot )
         set_p2m_entry(d, gfn, mfn, 0, nt);