spin_unlock_irqrestore(&kretprobe_lock, flags); 
static int __kprobes pre_handler_kretprobe(struct kprobe *p,					   struct pt_regs *regs){	struct kretprobe *rp = container_of(p, struct kretprobe, kp);	/*TODO: consider to only swap the RA after the last pre_handler fired */	arch_prepare_kretprobe(rp, regs);	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/3516a46042508a495fac13c2e73530d936ebe015/kprobes.c/buggy/kernel/kprobes.c