113 static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)  in save_previous_kprobe()  argument
115 	kcb->prev_kprobe.kp = kprobe_running();  in save_previous_kprobe()
116 	kcb->prev_kprobe.status = kcb->kprobe_status;  in save_previous_kprobe()
117 	kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr;  in save_previous_kprobe()
120 static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)  in restore_previous_kprobe()  argument
122 	__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);  in restore_previous_kprobe()
123 	kcb->kprobe_status = kcb->prev_kprobe.status;  in restore_previous_kprobe()
124 	kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr;  in restore_previous_kprobe()
128 				struct kprobe_ctlblk *kcb)  in set_current_kprobe()  argument
131 	kcb->kprobe_saved_msr = regs->msr;  in set_current_kprobe()
148 	struct kprobe_ctlblk *kcb;  in kprobe_handler()  local
155 	kcb = get_kprobe_ctlblk();  in kprobe_handler()
162 			if (kcb->kprobe_status == KPROBE_HIT_SS &&  in kprobe_handler()
166 				regs->msr |= kcb->kprobe_saved_msr;  in kprobe_handler()
175 			save_previous_kprobe(kcb);  in kprobe_handler()
176 			set_current_kprobe(p, regs, kcb);  in kprobe_handler()
177 			kcb->kprobe_saved_msr = regs->msr;  in kprobe_handler()
180 			kcb->kprobe_status = KPROBE_REENTER;  in kprobe_handler()
227 	kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_handler()
228 	set_current_kprobe(p, regs, kcb);  in kprobe_handler()
250 			kcb->kprobe_status = KPROBE_HIT_SSDONE;  in kprobe_handler()
267 	kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
366 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in post_kprobe_handler()  local
375 	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {  in post_kprobe_handler()
376 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in post_kprobe_handler()
382 	regs->msr |= kcb->kprobe_saved_msr;  in post_kprobe_handler()
385 	if (kcb->kprobe_status == KPROBE_REENTER) {  in post_kprobe_handler()
386 		restore_previous_kprobe(kcb);  in post_kprobe_handler()
407 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_fault_handler()  local
410 	switch(kcb->kprobe_status) {  in kprobe_fault_handler()
422 		regs->msr |= kcb->kprobe_saved_msr;  in kprobe_fault_handler()
423 		if (kcb->kprobe_status == KPROBE_REENTER)  in kprobe_fault_handler()
424 			restore_previous_kprobe(kcb);  in kprobe_fault_handler()
503 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in setjmp_pre_handler()  local
505 	memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));  in setjmp_pre_handler()
531 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in longjmp_break_handler()  local
538 	memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs));  in longjmp_break_handler()