85 	to->thread.prev_sched = from;  in __switch_to()
88 	switch_threads(&from->thread.switch_buf, &to->thread.switch_buf);  in __switch_to()
91 	return current->thread.prev_sched;  in __switch_to()
96 	struct pt_regs *regs = &current->thread.regs;  in interrupt_end()
124 	if (current->thread.prev_sched != NULL)  in new_thread_handler()
125 		schedule_tail(current->thread.prev_sched);  in new_thread_handler()
126 	current->thread.prev_sched = NULL;  in new_thread_handler()
128 	fn = current->thread.request.u.thread.proc;  in new_thread_handler()
129 	arg = current->thread.request.u.thread.arg;  in new_thread_handler()
135 	userspace(&current->thread.regs.regs);  in new_thread_handler()
143 	schedule_tail(current->thread.prev_sched);  in fork_handler()
152 	current->thread.prev_sched = NULL;  in fork_handler()
154 	userspace(&current->thread.regs.regs);  in fork_handler()
164 	p->thread = (struct thread_struct) INIT_THREAD;  in copy_thread()
167 	  	memcpy(&p->thread.regs.regs, current_pt_regs(),  in copy_thread()
168 		       sizeof(p->thread.regs.regs));  in copy_thread()
169 		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);  in copy_thread()
171 			REGS_SP(p->thread.regs.regs.gp) = sp;  in copy_thread()
175 		arch_copy_thread(&current->thread.arch, &p->thread.arch);  in copy_thread()
177 		get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);  in copy_thread()
178 		p->thread.request.u.thread.proc = (int (*)(void *))sp;  in copy_thread()
179 		p->thread.request.u.thread.arg = (void *)arg;  in copy_thread()
183 	new_thread(task_stack_page(p), &p->thread.switch_buf, handler);  in copy_thread()
344 	if (task->thread.singlestep_syscall)  in singlestepping()
379 	sp = p->thread.switch_buf->JB_SP;  in get_wchan()