36 static inline void set_using_fpu(struct task_struct *tsk)  in set_using_fpu()  argument
41 		: "i"(THREAD_USING_FPU), "a"(&tsk->thread.fpu_flags)  in set_using_fpu()
45 static inline void clear_using_fpu(struct task_struct *tsk)  in clear_using_fpu()  argument
50 		: "i"(THREAD_USING_FPU), "a"(&tsk->thread.fpu_flags)  in clear_using_fpu()
54 #define is_using_fpu(tsk) ((tsk)->thread.fpu_flags & THREAD_USING_FPU)  argument
63 static inline void unlazy_fpu(struct task_struct *tsk)  in unlazy_fpu()  argument
67 	if (tsk->thread.fpu_flags & THREAD_HAS_FPU) {  in unlazy_fpu()
68 		fpu_save(&tsk->thread.fpu_state);  in unlazy_fpu()
69 		tsk->thread.fpu_flags &= ~THREAD_HAS_FPU;  in unlazy_fpu()
70 		tsk->thread.uregs->epsw &= ~EPSW_FE;  in unlazy_fpu()
73 	if (fpu_state_owner == tsk)  in unlazy_fpu()
74 		fpu_save(&tsk->thread.fpu_state);  in unlazy_fpu()
79 static inline void exit_fpu(struct task_struct *tsk)  in exit_fpu()  argument
83 	if (fpu_state_owner == tsk)  in exit_fpu()
91 	struct task_struct *tsk = current;  in flush_fpu()  local
95 	if (tsk->thread.fpu_flags & THREAD_HAS_FPU) {  in flush_fpu()
96 		tsk->thread.fpu_flags &= ~THREAD_HAS_FPU;  in flush_fpu()
97 		tsk->thread.uregs->epsw &= ~EPSW_FE;  in flush_fpu()
100 	if (fpu_state_owner == tsk) {  in flush_fpu()
102 		tsk->thread.uregs->epsw &= ~EPSW_FE;  in flush_fpu()
106 	clear_using_fpu(tsk);  in flush_fpu()
117 static inline bool is_using_fpu(struct task_struct *tsk) { return false; }  in is_using_fpu()  argument
118 static inline void set_using_fpu(struct task_struct *tsk) {}  in set_using_fpu()  argument
119 static inline void clear_using_fpu(struct task_struct *tsk) {}  in clear_using_fpu()  argument
122 static inline void fpu_kill_state(struct task_struct *tsk) {}  in fpu_kill_state()  argument
123 static inline void unlazy_fpu(struct task_struct *tsk) {}  in unlazy_fpu()  argument
124 static inline void exit_fpu(struct task_struct *tsk) {}  in exit_fpu()  argument