| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Tue, 14 Jul 2015 14:26:34 +0200 |
| Subject: panic: skip get_random_bytes for RT_FULL in init_oops_id |
| |
| Disable on -RT. If this is invoked from irq-context we will have problems |
| to acquire the sleeping lock. |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| kernel/panic.c | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| --- a/kernel/panic.c |
| +++ b/kernel/panic.c |
| @@ -444,9 +444,11 @@ static u64 oops_id; |
| |
| static int init_oops_id(void) |
| { |
| +#ifndef CONFIG_PREEMPT_RT_FULL |
| if (!oops_id) |
| get_random_bytes(&oops_id, sizeof(oops_id)); |
| else |
| +#endif |
| oops_id++; |
| |
| return 0; |