507 unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,  in unwind_stack()  argument
510 	unsigned long stack_page = (unsigned long)task_stack_page(task);  in unwind_stack()
518 unsigned long get_wchan(struct task_struct *task)  in get_wchan()  argument
526 	if (!task || task == current || task->state == TASK_RUNNING)  in get_wchan()
528 	if (!task_stack_page(task))  in get_wchan()
531 	pc = thread_saved_pc(task);  in get_wchan()
534 	sp = task->thread.reg29 + schedule_mfi.frame_size;  in get_wchan()
537 		pc = unwind_stack(task, &sp, pc, &ra);  in get_wchan()
573 int mips_get_process_fp_mode(struct task_struct *task)  in mips_get_process_fp_mode()  argument
577 	if (!test_tsk_thread_flag(task, TIF_32BIT_FPREGS))  in mips_get_process_fp_mode()
579 	if (test_tsk_thread_flag(task, TIF_HYBRID_FPREGS))  in mips_get_process_fp_mode()
585 int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)  in mips_set_process_fp_mode()  argument
610 	if (task->signal == current->signal)  in mips_set_process_fp_mode()
614 	atomic_set(&task->mm->context.fp_mode_switching, 1);  in mips_set_process_fp_mode()
627 		spin_lock_irq(&task->sighand->siglock);  in mips_set_process_fp_mode()
629 		for_each_thread(task, t) {  in mips_set_process_fp_mode()
636 				spin_unlock_irq(&task->sighand->siglock);  in mips_set_process_fp_mode()
638 				spin_lock_irq(&task->sighand->siglock);  in mips_set_process_fp_mode()
642 		spin_unlock_irq(&task->sighand->siglock);  in mips_set_process_fp_mode()
649 	for_each_thread(task, t) {  in mips_set_process_fp_mode()
666 	atomic_set(&task->mm->context.fp_mode_switching, 0);  in mips_set_process_fp_mode()