From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20070427140511.915140111@de.ibm.com> References: <20070427140503.087958775@de.ibm.com> Date: Fri, 27 Apr 2007 16:05:04 +0200 From: Martin Schwidefsky Subject: [patch 01/38] memory detection: stop at first memory hole. Content-Disposition: inline; filename=001-memory-hole.diff Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Martin Schwidefsky , Heiko Carstens List-ID: From: Heiko Carstens 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 Signed-off-by: Heiko Carstens --- 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.