48 			      struct task_struct *tsk);
49 extern void convert_to_fxsr(struct task_struct *tsk,
117 static inline void sanitize_i387_state(struct task_struct *tsk)  in sanitize_i387_state()  argument
121 	__sanitize_i387_state(tsk);  in sanitize_i387_state()
276 static inline int __save_init_fpu(struct task_struct *tsk)  in __save_init_fpu()  argument
278 	return fpu_save_init(&tsk->thread.fpu);  in __save_init_fpu()
291 static inline int restore_fpu_checking(struct task_struct *tsk)  in restore_fpu_checking()  argument
301 			: : [addr] "m" (tsk->thread.fpu.has_fpu));  in restore_fpu_checking()
304 	return fpu_restore_checking(&tsk->thread.fpu);  in restore_fpu_checking()
312 static inline int __thread_has_fpu(struct task_struct *tsk)  in __thread_has_fpu()  argument
314 	return tsk->thread.fpu.has_fpu;  in __thread_has_fpu()
318 static inline void __thread_clear_has_fpu(struct task_struct *tsk)  in __thread_clear_has_fpu()  argument
320 	tsk->thread.fpu.has_fpu = 0;  in __thread_clear_has_fpu()
325 static inline void __thread_set_has_fpu(struct task_struct *tsk)  in __thread_set_has_fpu()  argument
327 	tsk->thread.fpu.has_fpu = 1;  in __thread_set_has_fpu()
328 	this_cpu_write(fpu_owner_task, tsk);  in __thread_set_has_fpu()
338 static inline void __thread_fpu_end(struct task_struct *tsk)  in __thread_fpu_end()  argument
340 	__thread_clear_has_fpu(tsk);  in __thread_fpu_end()
345 static inline void __thread_fpu_begin(struct task_struct *tsk)  in __thread_fpu_begin()  argument
349 	__thread_set_has_fpu(tsk);  in __thread_fpu_begin()
352 static inline void __drop_fpu(struct task_struct *tsk)  in __drop_fpu()  argument
354 	if (__thread_has_fpu(tsk)) {  in __drop_fpu()
359 		__thread_fpu_end(tsk);  in __drop_fpu()
363 static inline void drop_fpu(struct task_struct *tsk)  in drop_fpu()  argument
369 	tsk->thread.fpu_counter = 0;  in drop_fpu()
370 	__drop_fpu(tsk);  in drop_fpu()
371 	clear_stopped_child_used_math(tsk);  in drop_fpu()
375 static inline void drop_init_fpu(struct task_struct *tsk)  in drop_init_fpu()  argument
378 		drop_fpu(tsk);  in drop_init_fpu()
509 static inline void __save_fpu(struct task_struct *tsk)  in __save_fpu()  argument
513 			xsave_state_booting(&tsk->thread.fpu.state->xsave, -1);  in __save_fpu()
515 			xsave_state(&tsk->thread.fpu.state->xsave, -1);  in __save_fpu()
517 		fpu_fxsave(&tsk->thread.fpu);  in __save_fpu()
523 static inline void save_init_fpu(struct task_struct *tsk)  in save_init_fpu()  argument
525 	WARN_ON_ONCE(!__thread_has_fpu(tsk));  in save_init_fpu()
528 		__save_fpu(tsk);  in save_init_fpu()
533 	__save_init_fpu(tsk);  in save_init_fpu()
534 	__thread_fpu_end(tsk);  in save_init_fpu()
541 static inline unsigned short get_fpu_cwd(struct task_struct *tsk)  in get_fpu_cwd()  argument
544 		return tsk->thread.fpu.state->fxsave.cwd;  in get_fpu_cwd()
546 		return (unsigned short)tsk->thread.fpu.state->fsave.cwd;  in get_fpu_cwd()
550 static inline unsigned short get_fpu_swd(struct task_struct *tsk)  in get_fpu_swd()  argument
553 		return tsk->thread.fpu.state->fxsave.swd;  in get_fpu_swd()
555 		return (unsigned short)tsk->thread.fpu.state->fsave.swd;  in get_fpu_swd()
559 static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)  in get_fpu_mxcsr()  argument
562 		return tsk->thread.fpu.state->fxsave.mxcsr;  in get_fpu_mxcsr()