164 int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size)  in copy_fpstate_to_sigframe()  argument
167 	int ia32_fxstate = (buf != buf_fx);  in copy_fpstate_to_sigframe()
193 	ret = copy_fpregs_to_sigframe(buf_fx);  in copy_fpstate_to_sigframe()
198 		if (!fault_in_pages_writeable(buf_fx, fpu_user_xstate_size))  in copy_fpstate_to_sigframe()
207 	if (use_fxsr() && save_xstate_epilog(buf_fx, ia32_fxstate))  in copy_fpstate_to_sigframe()
272 static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)  in __fpu__restore_sig()  argument
276 	int ia32_fxstate = (buf != buf_fx);  in __fpu__restore_sig()
306 		if (unlikely(check_for_xstate(buf_fx, buf_fx, &fx_sw_user))) {  in __fpu__restore_sig()
331 	if ((unsigned long)buf_fx % 64)  in __fpu__restore_sig()
352 		ret = copy_user_to_fpregs_zeroing(buf_fx, xfeatures, fx_only);  in __fpu__restore_sig()
368 			ret = copy_user_to_xstate(&fpu->state.xsave, buf_fx);  in __fpu__restore_sig()
370 			ret = __copy_from_user(&fpu->state.xsave, buf_fx, state_size);  in __fpu__restore_sig()
386 		ret = __copy_from_user(&fpu->state.fxsave, buf_fx, state_size);  in __fpu__restore_sig()
402 		ret = __copy_from_user(&fpu->state.fsave, buf_fx, state_size);  in __fpu__restore_sig()
432 	void __user *buf_fx = buf;  in fpu__restore_sig()  local
436 		buf_fx = buf + sizeof(struct fregs_state);  in fpu__restore_sig()
440 	return __fpu__restore_sig(buf, buf_fx, size);  in fpu__restore_sig()
445 		     unsigned long *buf_fx, unsigned long *size)  in fpu__alloc_mathframe()  argument
449 	*buf_fx = sp = round_down(sp - frame_size, 64);  in fpu__alloc_mathframe()