> >>>> +The functions were originally introduced to handle > >>>> +.Tn PCI > >>>> +bus master devices, which assumed little endian byte order in > >>>> +.Tn DMA > >>>> +transfers, even on big endian systems. > >> > >> There are a few PCI bus master devices that are big endian aware > >> (epic(4) for example), so I don't think it's appropriate to add > >> commas around the which clause. > > > > I agree that the first comma should go, but the second one (before > > "even") should remain. > > No it shouldn't. Anyway, I just rearranged it to hopefully avoid such > problems entirely.
cvs rdiff -u -r1.6 -r1.7 src/share/man/man9/byteorder.9 >> -bus master devices which assumed little endian byte order in >> +bus master devices that do little endian >> .Tn DMA >> -transfers, even on big endian systems. >> +transfers on big endian systems. What's "little endian transfer"? IMO, DMA transfers are always stream (no byte reordering) and hto*()/*toh() functions are used to encode/decode values larger than a byte into/from the stream before/after transfers per byte order the target bus master device assumes. That was what a dumb sentence in rev 1.1 meant. --- Izumi Tsutsui
