[Xen-devel] [PATCH] x86/mm: don't crash on unknown memory types in page_get_ram_type

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

Instead return RAM_TYPE_UNKNOWN.

Reported-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
---
 xen/arch/x86/mm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 955ff0bd78..7373f4167a 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -465,7 +465,7 @@ unsigned int page_get_ram_type(mfn_t mfn)
             break;
 
         default:
-            ASSERT_UNREACHABLE();
+            type |= RAM_TYPE_UNKNOWN;
         }
     }
 
-- 
2.19.0


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