From: Michael Holzheu <holzheu@de.ibm.com>
Date: Mon, 4 Dec 2006 14:40:05 +0000 (+0100)
Subject: [S390] No panic for failed reboot
X-Git-Tag: upstream/snapshot3+hdmi~35673^2~47^2~116^2~26
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3902e47628dcaf79b2c7a6a59f6978d968eff288;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

[S390] No panic for failed reboot

If reboot fails (e.g. because wrong devno has been specified by the user),
we should just stop all cpus, but should not trigger a kernel panic.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 36f0d30..60ba145 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -697,7 +697,8 @@ void do_reipl(void)
 		diag308(DIAG308_IPL, NULL);
 		break;
 	}
-	panic("reipl failed!\n");
+	printk(KERN_EMERG "reboot failed!\n");
+	signal_processor(smp_processor_id(), sigp_stop_and_store_status);
 }
 
 static void do_dump(void)