From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sun, 19 Feb 2006 19:53:56 +0000 (+0000)
Subject: [ARM] Add panic-on-oops support
X-Git-Tag: v2.6.16-rc5~60^2~9
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=31867499b21b2374eb0cc6b3d1ea6b4ade4d1cc2;p=linux-2.6-omap-h63xx.git

[ARM] Add panic-on-oops support

Although you could ask the kernel for panic-on-oops, it remained
non-functional because the architecture specific code fragment had
not been implemented.  Add it, so it works as advertised.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 10235b01582..03924bcc612 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -19,6 +19,7 @@
 #include <linux/personality.h>
 #include <linux/ptrace.h>
 #include <linux/kallsyms.h>
+#include <linux/delay.h>
 #include <linux/init.h>
 
 #include <asm/atomic.h>
@@ -231,6 +232,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 	__die(str, err, thread, regs);
 	bust_spinlocks(0);
 	spin_unlock_irq(&die_lock);
+
+	if (panic_on_oops) {
+		printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
+		ssleep(5);
+		panic("Fatal exception");
+	}
+
 	do_exit(SIGSEGV);
 }