Commit 31867499 authored by Russell King's avatar Russell King Committed by Russell King

[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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent b00dc3ad
...@@ -19,6 +19,7 @@ ...@@ -19,6 +19,7 @@
#include <linux/personality.h> #include <linux/personality.h>
#include <linux/ptrace.h> #include <linux/ptrace.h>
#include <linux/kallsyms.h> #include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/init.h> #include <linux/init.h>
#include <asm/atomic.h> #include <asm/atomic.h>
...@@ -231,6 +232,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) ...@@ -231,6 +232,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
__die(str, err, thread, regs); __die(str, err, thread, regs);
bust_spinlocks(0); bust_spinlocks(0);
spin_unlock_irq(&die_lock); 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); do_exit(SIGSEGV);
} }
......
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