173 static nokprobe_inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)  in save_previous_kprobe()  argument
175 	kcb->prev_kprobe.kp = kprobe_running();  in save_previous_kprobe()
176 	kcb->prev_kprobe.status = kcb->kprobe_status;  in save_previous_kprobe()
177 	kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr;  in save_previous_kprobe()
180 static nokprobe_inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)  in restore_previous_kprobe()  argument
182 	__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);  in restore_previous_kprobe()
183 	kcb->kprobe_status = kcb->prev_kprobe.status;  in restore_previous_kprobe()
184 	kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr;  in restore_previous_kprobe()
188 				struct kprobe_ctlblk *kcb)  in set_current_kprobe()  argument
191 	kcb->kprobe_saved_msr = regs->msr;  in set_current_kprobe()
262 	struct kprobe_ctlblk *kcb;  in kprobe_handler()  local
272 	kcb = get_kprobe_ctlblk();  in kprobe_handler()
279 			if (kcb->kprobe_status == KPROBE_HIT_SS &&  in kprobe_handler()
283 				regs->msr |= kcb->kprobe_saved_msr;  in kprobe_handler()
292 			save_previous_kprobe(kcb);  in kprobe_handler()
293 			set_current_kprobe(p, regs, kcb);  in kprobe_handler()
295 			kcb->kprobe_status = KPROBE_REENTER;  in kprobe_handler()
300 					restore_previous_kprobe(kcb);  in kprobe_handler()
346 	kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_handler()
347 	set_current_kprobe(p, regs, kcb);  in kprobe_handler()
362 			kcb->kprobe_status = KPROBE_HIT_SSDONE;  in kprobe_handler()
369 	kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
480 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_post_handler()  local
489 	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {  in kprobe_post_handler()
490 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in kprobe_post_handler()
496 	regs->msr |= kcb->kprobe_saved_msr;  in kprobe_post_handler()
499 	if (kcb->kprobe_status == KPROBE_REENTER) {  in kprobe_post_handler()
500 		restore_previous_kprobe(kcb);  in kprobe_post_handler()
522 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_fault_handler()  local
525 	switch(kcb->kprobe_status) {  in kprobe_fault_handler()
537 		regs->msr |= kcb->kprobe_saved_msr;  in kprobe_fault_handler()
538 		if (kcb->kprobe_status == KPROBE_REENTER)  in kprobe_fault_handler()
539 			restore_previous_kprobe(kcb);  in kprobe_fault_handler()