293 int fpregs_active(struct task_struct *target, const struct user_regset *regset)  in fpregs_active()  argument
295 	return tsk_used_math(target) ? regset->n : 0;  in fpregs_active()
298 int xfpregs_active(struct task_struct *target, const struct user_regset *regset)  in xfpregs_active()  argument
300 	return (cpu_has_fxsr && tsk_used_math(target)) ? regset->n : 0;  in xfpregs_active()
303 int xfpregs_get(struct task_struct *target, const struct user_regset *regset,  in xfpregs_get()  argument
312 	ret = init_fpu(target);  in xfpregs_get()
316 	sanitize_i387_state(target);  in xfpregs_get()
319 				   &target->thread.fpu.state->fxsave, 0, -1);  in xfpregs_get()
322 int xfpregs_set(struct task_struct *target, const struct user_regset *regset,  in xfpregs_set()  argument
331 	ret = init_fpu(target);  in xfpregs_set()
335 	sanitize_i387_state(target);  in xfpregs_set()
338 				 &target->thread.fpu.state->fxsave, 0, -1);  in xfpregs_set()
343 	target->thread.fpu.state->fxsave.mxcsr &= mxcsr_feature_mask;  in xfpregs_set()
350 		target->thread.fpu.state->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE;  in xfpregs_set()
355 int xstateregs_get(struct task_struct *target, const struct user_regset *regset,  in xstateregs_get()  argument
365 	ret = init_fpu(target);  in xstateregs_get()
369 	xsave = &target->thread.fpu.state->xsave;  in xstateregs_get()
385 int xstateregs_set(struct task_struct *target, const struct user_regset *regset,  in xstateregs_set()  argument
395 	ret = init_fpu(target);  in xstateregs_set()
399 	xsave = &target->thread.fpu.state->xsave;  in xstateregs_set()
551 int fpregs_get(struct task_struct *target, const struct user_regset *regset,  in fpregs_get()  argument
558 	ret = init_fpu(target);  in fpregs_get()
563 		return fpregs_soft_get(target, regset, pos, count, kbuf, ubuf);  in fpregs_get()
567 					   &target->thread.fpu.state->fsave, 0,  in fpregs_get()
570 	sanitize_i387_state(target);  in fpregs_get()
573 		convert_from_fxsr(kbuf, target);  in fpregs_get()
577 	convert_from_fxsr(&env, target);  in fpregs_get()
582 int fpregs_set(struct task_struct *target, const struct user_regset *regset,  in fpregs_set()  argument
589 	ret = init_fpu(target);  in fpregs_set()
593 	sanitize_i387_state(target);  in fpregs_set()
596 		return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf);  in fpregs_set()
600 					  &target->thread.fpu.state->fsave, 0,  in fpregs_set()
604 		convert_from_fxsr(&env, target);  in fpregs_set()
608 		convert_to_fxsr(target, &env);  in fpregs_set()
615 		target->thread.fpu.state->xsave.xsave_hdr.xstate_bv |= XSTATE_FP;  in fpregs_set()