153 int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size)  in copy_fpstate_to_sigframe()  argument
157 	int ia32_fxstate = (buf != buf_fx);  in copy_fpstate_to_sigframe()
172 		if (copy_fpregs_to_sigframe(buf_fx))  in copy_fpstate_to_sigframe()
179 		if (__copy_to_user(buf_fx, xsave, xstate_size))  in copy_fpstate_to_sigframe()
187 	if (use_fxsr() && save_xstate_epilog(buf_fx, ia32_fxstate))  in copy_fpstate_to_sigframe()
248 static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)  in __fpu__restore_sig()  argument
250 	int ia32_fxstate = (buf != buf_fx);  in __fpu__restore_sig()
277 		if (unlikely(check_for_xstate(buf_fx, buf_fx, &fx_sw_user))) {  in __fpu__restore_sig()
311 		if (__copy_from_user(&fpu->state.xsave, buf_fx, state_size) ||  in __fpu__restore_sig()
333 		if (copy_user_to_fpregs_zeroing(buf_fx, xfeatures, fx_only)) {  in __fpu__restore_sig()
352 	void __user *buf_fx = buf;  in fpu__restore_sig()  local
356 		buf_fx = buf + sizeof(struct fregs_state);  in fpu__restore_sig()
360 	return __fpu__restore_sig(buf, buf_fx, size);  in fpu__restore_sig()
365 		     unsigned long *buf_fx, unsigned long *size)  in fpu__alloc_mathframe()  argument
369 	*buf_fx = sp = round_down(sp - frame_size, 64);  in fpu__alloc_mathframe()