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[Xen-devel] [PATCH] Use gfn_to_mfn_query() rather then gfn_to_mfn() when
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| Subject: | [Xen-devel] [PATCH] Use gfn_to_mfn_query() rather then gfn_to_mfn() when changing P2M types |
| From: | Tim Deegan <Tim.Deegan@xxxxxxxxxx> |
| Date: | Wed, 30 Jun 2010 12:02:12 +0100 |
| Delivery-date: | Wed, 30 Jun 2010 04:03:57 -0700 |
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| User-agent: | Mutt/1.5.18 (2008-05-17) |
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@xxxxxxxxxx>
diff -r 74cefb50559e xen/arch/x86/mm/p2m.c
--- a/xen/arch/x86/mm/p2m.c Fri Oct 30 15:52:02 2009 +0000
+++ b/xen/arch/x86/mm/p2m.c Fri Oct 30 16:47:29 2009 +0000
@@ -2557,7 +2557,7 @@
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);
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