[Xen-changelog] [xen staging] x86/mm: don't crash on unknown memory types in page_get_ram_type

[patchbot@xxxxxxx]

commit 40dbe1818a6af630cc8595ea97b35f3a0d296606
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Tue Sep 25 16:29:59 2018 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Sep 25 16:29:59 2018 +0200

    x86/mm: don't crash on unknown memory types in page_get_ram_type
    
    Instead return RAM_TYPE_UNKNOWN.
    
    Reported-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/mm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index c8a97e1bc5..02abd061be 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -465,7 +465,8 @@ unsigned int page_get_ram_type(mfn_t mfn)
             break;
 
         default:
-            ASSERT_UNREACHABLE();
+            type |= RAM_TYPE_UNKNOWN;
+            break;
         }
     }
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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