Subject: panic: skip get_random_bytes for RT_FULL in init_oops_id From: Thomas Gleixner <tglx@linutronix.de> Date: Tue Jul 14 14:26:34 2015 +0200 From: Thomas Gleixner <tglx@linutronix.de> 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(+) --- @ kernel/panic.c:548 @ static u64 oops_id; static int init_oops_id(void) { +#ifndef CONFIG_PREEMPT_RT if (!oops_id) get_random_bytes(&oops_id, sizeof(oops_id)); else +#endif oops_id++; return 0;