20 	mb();  in ioread8()
22 	mb();  in ioread8()
29 	mb();  in ioread16()
31 	mb();  in ioread16()
38 	mb();  in ioread32()
40 	mb();  in ioread32()
47 	mb();  in ioread64()
49 	mb();  in ioread64()
55 	mb();  in iowrite8()
61 	mb();  in iowrite16()
67 	mb();  in iowrite32()
73 	mb();  in iowrite64()
93 	return ioread16(ioport_map(port, 2));  in inw()
108 	iowrite16(b, ioport_map(port, 2));  in outw()
175 	mb();  in readb()
177 	mb();  in readb()
184 	mb();  in readw()
186 	mb();  in readw()
193 	mb();  in readl()
195 	mb();  in readl()
202 	mb();  in readq()
204 	mb();  in readq()
210 	mb();  in writeb()
216 	mb();  in writew()
222 	mb();  in writel()
228 	mb();  in writeq()
247 	mb();  in readb_relaxed()
253 	mb();  in readw_relaxed()
259 	mb();  in readl_relaxed()
265 	mb();  in readq_relaxed()
328 		dst += 2;  in ioread16_rep()
331 	while (count >= 2) {  in ioread16_rep()
333 		count -= 2;  in ioread16_rep()
347 	ioread16_rep(ioport_map(port, 2), dst, count);  in insw()
421 		src += 2;  in iowrite16_rep()
425 	while (count >= 2) {  in iowrite16_rep()
427 		count -= 2;  in iowrite16_rep()
441 	iowrite16_rep(ioport_map(port, 2), src, count);  in outsw()
511 	if (count >= 2 && ((u64)to & 1) == ((u64)from & 1)) {  in memcpy_fromio()
512 		count -= 2;  in memcpy_fromio()
515 			count -= 2;  in memcpy_fromio()
516 			to += 2;  in memcpy_fromio()
517 			from += 2;  in memcpy_fromio()
519 		count += 2;  in memcpy_fromio()
528 	mb();  in memcpy_fromio()
566 	if (count >= 2 && ((u64)to & 1) == ((u64)from & 1)) {  in memcpy_toio()
567 		count -= 2;  in memcpy_toio()
570 			count -= 2;  in memcpy_toio()
571 			to += 2;  in memcpy_toio()
572 			from += 2;  in memcpy_toio()
574 		count += 2;  in memcpy_toio()
583 	mb();  in memcpy_toio()
602 	if (count >= 2 && ((u64)to & 2)) {  in _memset_c_io()
604 		to += 2;  in _memset_c_io()
605 		count -= 2;  in _memset_c_io()
634 	/* The tail is half-word aligned if we have count >= 2 */  in _memset_c_io()
635 	if (count >= 2) {  in _memset_c_io()
637 		to += 2;  in _memset_c_io()
638 		count -= 2;  in _memset_c_io()
645 	mb();  in _memset_c_io()
666 			count /= 2;  in scr_memcpyw()