Merge branch 'master' into next

1 files changed, 15 insertions, 10 deletions

diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index d551f09ccb79..6956f7e7d439 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -439,18 +439,23 @@ xpc_discovery(void)
          * nodes that can comprise an access protection grouping. The access
          * protection is in regards to memory, IOI and IPI.
          */
-        max_regions = 64;
         region_size = xp_region_size;
 
-        switch (region_size) {
-        case 128:
-                max_regions *= 2;
-        case 64:
-                max_regions *= 2;
-        case 32:
-                max_regions *= 2;
-                region_size = 16;
-                DBUG_ON(!is_shub2());
+        if (is_uv())
+                max_regions = 256;
+        else {
+                max_regions = 64;
+
+                switch (region_size) {
+                case 128:
+                        max_regions *= 2;
+                case 64:
+                        max_regions *= 2;
+                case 32:
+                        max_regions *= 2;
+                        region_size = 16;
+                        DBUG_ON(!is_shub2());
+                }
         }
 
         for (region = 0; region < max_regions; region++) {