65 static bool vfp_state_in_hw(unsigned int cpu, struct thread_info *thread)  in vfp_state_in_hw()  argument
68 	if (thread->vfpstate.hard.cpu != cpu)  in vfp_state_in_hw()
71 	return vfp_current_hw_state[cpu] == &thread->vfpstate;  in vfp_state_in_hw()
79 static void vfp_force_reload(unsigned int cpu, struct thread_info *thread)  in vfp_force_reload()  argument
81 	if (vfp_state_in_hw(cpu, thread)) {  in vfp_force_reload()
86 	thread->vfpstate.hard.cpu = NR_CPUS;  in vfp_force_reload()
93 static void vfp_thread_flush(struct thread_info *thread)  in vfp_thread_flush()  argument
95 	union vfp_state *vfp = &thread->vfpstate;  in vfp_thread_flush()
121 static void vfp_thread_exit(struct thread_info *thread)  in vfp_thread_exit()  argument
124 	union vfp_state *vfp = &thread->vfpstate;  in vfp_thread_exit()
132 static void vfp_thread_copy(struct thread_info *thread)  in vfp_thread_copy()  argument
137 	thread->vfpstate = parent->vfpstate;  in vfp_thread_copy()
139 	thread->vfpstate.hard.cpu = NR_CPUS;  in vfp_thread_copy()
168 	struct thread_info *thread = v;  in vfp_notifier()  local
179 		cpu = thread->cpu;  in vfp_notifier()
198 		vfp_thread_flush(thread);  in vfp_notifier()
202 		vfp_thread_exit(thread);  in vfp_notifier()
206 		vfp_thread_copy(thread);  in vfp_notifier()
235 	current->thread.error_code = 0;  in vfp_raise_sigfpe()
236 	current->thread.trap_no = 6;  in vfp_raise_sigfpe()
529 void vfp_sync_hwstate(struct thread_info *thread)  in vfp_sync_hwstate()  argument
533 	if (vfp_state_in_hw(cpu, thread)) {  in vfp_sync_hwstate()
540 		vfp_save_state(&thread->vfpstate, fpexc | FPEXC_EN);  in vfp_sync_hwstate()
548 void vfp_flush_hwstate(struct thread_info *thread)  in vfp_flush_hwstate()  argument
552 	vfp_force_reload(cpu, thread);  in vfp_flush_hwstate()
564 	struct thread_info *thread = current_thread_info();  in vfp_preserve_user_clear_hwstate()  local
565 	struct vfp_hard_struct *hwstate = &thread->vfpstate.hard;  in vfp_preserve_user_clear_hwstate()
569 	vfp_sync_hwstate(thread);  in vfp_preserve_user_clear_hwstate()
593 	vfp_flush_hwstate(thread);  in vfp_preserve_user_clear_hwstate()
607 	struct thread_info *thread = current_thread_info();  in vfp_restore_user_hwstate()  local
608 	struct vfp_hard_struct *hwstate = &thread->vfpstate.hard;  in vfp_restore_user_hwstate()
613 	vfp_flush_hwstate(thread);  in vfp_restore_user_hwstate()
692 	struct thread_info *thread = current_thread_info();  in kernel_neon_begin()  local
711 	if (vfp_state_in_hw(cpu, thread))  in kernel_neon_begin()
712 		vfp_save_state(&thread->vfpstate, fpexc);  in kernel_neon_begin()