73 	to->thread.prev_sched = from;  in __switch_to()
76 	switch_threads(&from->thread.switch_buf, &to->thread.switch_buf);  in __switch_to()
79 	return current->thread.prev_sched;  in __switch_to()
84 	struct pt_regs *regs = &current->thread.regs;  in interrupt_end()
109 	if (current->thread.prev_sched != NULL)  in new_thread_handler()
110 		schedule_tail(current->thread.prev_sched);  in new_thread_handler()
111 	current->thread.prev_sched = NULL;  in new_thread_handler()
113 	fn = current->thread.request.thread.proc;  in new_thread_handler()
114 	arg = current->thread.request.thread.arg;  in new_thread_handler()
117 	 * callback returns only if the kernel thread execs a process  in new_thread_handler()
120 	userspace(&current->thread.regs.regs);  in new_thread_handler()
126 	schedule_tail(current->thread.prev_sched);  in fork_handler()
135 	current->thread.prev_sched = NULL;  in fork_handler()
137 	userspace(&current->thread.regs.regs);  in fork_handler()
148 	p->thread = (struct thread_struct) INIT_THREAD;  in copy_thread()
151 	  	memcpy(&p->thread.regs.regs, current_pt_regs(),  in copy_thread()
152 		       sizeof(p->thread.regs.regs));  in copy_thread()
153 		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);  in copy_thread()
155 			REGS_SP(p->thread.regs.regs.gp) = sp;  in copy_thread()
159 		arch_copy_thread(&current->thread.arch, &p->thread.arch);  in copy_thread()
161 		get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);  in copy_thread()
162 		p->thread.request.thread.proc = args->fn;  in copy_thread()
163 		p->thread.request.thread.arg = args->fn_arg;  in copy_thread()
167 	new_thread(task_stack_page(p), &p->thread.switch_buf, handler);  in copy_thread()
173 		 * Set a new TLS for the child thread?  in copy_thread()
277 	sp = p->thread.switch_buf->JB_SP;  in __get_wchan()