// SPDX-License-Identifier: GPL-2.0/* * Copyright IBM Corp. 2023 */ #include <linux/export.h>#include <asm/facility.h> unsigned int stfle_size(void){	static unsigned int size;	unsigned int r;	u64 dummy; 	r = READ_ONCE(size);	if (!r) {		r = __stfle_asm(&dummy, 1) + 1;		WRITE_ONCE(size, r);	}	return r;}EXPORT_SYMBOL(stfle_size);