48 			      struct task_struct *tsk);
49 extern void convert_to_fxsr(struct task_struct *tsk,
87 static inline void task_disable_lazy_fpu_restore(struct task_struct *tsk)  in task_disable_lazy_fpu_restore()  argument
89 	tsk->thread.fpu.last_cpu = ~0;  in task_disable_lazy_fpu_restore()
144 static inline void sanitize_i387_state(struct task_struct *tsk)  in sanitize_i387_state()  argument
148 	__sanitize_i387_state(tsk);  in sanitize_i387_state()
303 static inline int __save_init_fpu(struct task_struct *tsk)  in __save_init_fpu()  argument
305 	return fpu_save_init(&tsk->thread.fpu);  in __save_init_fpu()
318 static inline int restore_fpu_checking(struct task_struct *tsk)  in restore_fpu_checking()  argument
330 			: : [addr] "m" (tsk->thread.fpu.has_fpu));  in restore_fpu_checking()
333 	return fpu_restore_checking(&tsk->thread.fpu);  in restore_fpu_checking()
341 static inline int __thread_has_fpu(struct task_struct *tsk)  in __thread_has_fpu()  argument
343 	return tsk->thread.fpu.has_fpu;  in __thread_has_fpu()
347 static inline void __thread_clear_has_fpu(struct task_struct *tsk)  in __thread_clear_has_fpu()  argument
349 	tsk->thread.fpu.has_fpu = 0;  in __thread_clear_has_fpu()
354 static inline void __thread_set_has_fpu(struct task_struct *tsk)  in __thread_set_has_fpu()  argument
356 	tsk->thread.fpu.has_fpu = 1;  in __thread_set_has_fpu()
357 	this_cpu_write(fpu_owner_task, tsk);  in __thread_set_has_fpu()
367 static inline void __thread_fpu_end(struct task_struct *tsk)  in __thread_fpu_end()  argument
369 	__thread_clear_has_fpu(tsk);  in __thread_fpu_end()
374 static inline void __thread_fpu_begin(struct task_struct *tsk)  in __thread_fpu_begin()  argument
378 	__thread_set_has_fpu(tsk);  in __thread_fpu_begin()
381 static inline void drop_fpu(struct task_struct *tsk)  in drop_fpu()  argument
387 	tsk->thread.fpu_counter = 0;  in drop_fpu()
389 	if (__thread_has_fpu(tsk)) {  in drop_fpu()
394 		__thread_fpu_end(tsk);  in drop_fpu()
397 	clear_stopped_child_used_math(tsk);  in drop_fpu()
413 static inline void fpu_reset_state(struct task_struct *tsk)  in fpu_reset_state()  argument
416 		drop_fpu(tsk);  in fpu_reset_state()
531 static inline void __save_fpu(struct task_struct *tsk)  in __save_fpu()  argument
535 			xsave_state_booting(&tsk->thread.fpu.state->xsave, -1);  in __save_fpu()
537 			xsave_state(&tsk->thread.fpu.state->xsave, -1);  in __save_fpu()
539 		fpu_fxsave(&tsk->thread.fpu);  in __save_fpu()
545 static inline unsigned short get_fpu_cwd(struct task_struct *tsk)  in get_fpu_cwd()  argument
548 		return tsk->thread.fpu.state->fxsave.cwd;  in get_fpu_cwd()
550 		return (unsigned short)tsk->thread.fpu.state->fsave.cwd;  in get_fpu_cwd()
554 static inline unsigned short get_fpu_swd(struct task_struct *tsk)  in get_fpu_swd()  argument
557 		return tsk->thread.fpu.state->fxsave.swd;  in get_fpu_swd()
559 		return (unsigned short)tsk->thread.fpu.state->fsave.swd;  in get_fpu_swd()
563 static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)  in get_fpu_mxcsr()  argument
566 		return tsk->thread.fpu.state->fxsave.mxcsr;  in get_fpu_mxcsr()