[patch 01/38] memory detection: stop at first memory hole.

[Martin Schwidefsky]

From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>

If both sclp and diag memory detection don't work stop at the first
memory hole. Otherwise the code might loop forever...

Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---

 arch/s390/kernel/early.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

Index: quilt-2.6/arch/s390/kernel/early.c
===================================================================
--- quilt-2.6.orig/arch/s390/kernel/early.c	2007-04-27 16:01:49.000000000 +0200
+++ quilt-2.6/arch/s390/kernel/early.c	2007-04-27 16:04:52.000000000 +0200
@@ -253,11 +253,10 @@
 			break;
 #endif
 		/*
-		 * Finish memory detection at the first hole, unless
-		 * - we reached the hsa -> skip it.
-		 * - we know there must be more.
+		 * Finish memory detection at the first hole
+		 * if storage size is unknown.
 		 */
-		if (cc == -1UL && !memsize && old_addr != ADDR2G)
+		if (cc == -1UL && !memsize)
 			break;
 		if (memsize && addr >= memsize)
 			break;

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/