205 bool copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size, u32 pkru)  in copy_fpstate_to_sigframe()  argument
209 	bool ia32_fxstate = (buf != buf_fx);  in copy_fpstate_to_sigframe()
227 		struct xregs_state __user *xbuf = buf_fx;  in copy_fpstate_to_sigframe()
248 	ret = copy_fpregs_to_sigframe(buf_fx, pkru);  in copy_fpstate_to_sigframe()
253 		if (!__clear_user(buf_fx, fpstate->user_size))  in copy_fpstate_to_sigframe()
262 	if (use_fxsr() && !save_xstate_epilog(buf_fx, ia32_fxstate, fpstate))  in copy_fpstate_to_sigframe()
352 static bool __fpu_restore_sig(void __user *buf, void __user *buf_fx,  in __fpu_restore_sig()  argument
365 		if (!check_xstate_in_sigframe(buf_fx, &fx_sw_user))  in __fpu_restore_sig()
376 		return restore_fpregs_from_user(buf_fx, user_xfeatures, fx_only);  in __fpu_restore_sig()
413 		if (copy_sigframe_from_user_to_xstate(tsk, buf_fx))  in __fpu_restore_sig()
416 		if (__copy_from_user(&fpregs->fxsave, buf_fx,  in __fpu_restore_sig()
477 	void __user *buf_fx = buf;  in fpu__restore_sig()  local
497 		buf_fx = buf + sizeof(struct fregs_state);  in fpu__restore_sig()
510 		success = __fpu_restore_sig(buf, buf_fx, ia32_fxstate);  in fpu__restore_sig()
521 		     unsigned long *buf_fx, unsigned long *size)  in fpu__alloc_mathframe()  argument
525 	*buf_fx = sp = round_down(sp - frame_size, 64);  in fpu__alloc_mathframe()