diff options
| -rw-r--r-- | include/linux/kernel.h | 9 | ||||
| -rw-r--r-- | kernel/panic.c | 2 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 9 |
3 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d4e98d13eff4..2ac02772a86e 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -393,6 +393,15 @@ extern int panic_on_oops; extern int panic_on_unrecovered_nmi; extern int panic_on_io_nmi; extern int sysctl_panic_on_stackoverflow; +/* + * Only to be used by arch init code. If the user over-wrote the default + * CONFIG_PANIC_TIMEOUT, honor it. + */ +static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) +{ + if (panic_timeout == arch_default_timeout) + panic_timeout = timeout; +} extern const char *print_tainted(void); enum lockdep_ok { LOCKDEP_STILL_OK, diff --git a/kernel/panic.c b/kernel/panic.c index c00b4ceb39e8..6d6300375090 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -33,7 +33,7 @@ static int pause_on_oops; static int pause_on_oops_flag; static DEFINE_SPINLOCK(pause_on_oops_lock); -int panic_timeout; +int panic_timeout = CONFIG_PANIC_TIMEOUT; EXPORT_SYMBOL_GPL(panic_timeout); ATOMIC_NOTIFIER_HEAD(panic_notifier_list); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index db25707aa41b..6982094a7e74 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -761,6 +761,15 @@ config PANIC_ON_OOPS_VALUE default 0 if !PANIC_ON_OOPS default 1 if PANIC_ON_OOPS +config PANIC_TIMEOUT + int "panic timeout" + default 0 + help + Set the timeout value (in seconds) until a reboot occurs when the + the kernel panics. If n = 0, then we wait forever. A timeout + value n > 0 will wait n seconds before rebooting, while a timeout + value n < 0 will reboot immediately. + config SCHED_DEBUG bool "Collect scheduler debugging info" depends on DEBUG_KERNEL && PROC_FS |