On Mon, 20 Jun 2011, Alexander Holler wrote: > Am 20.06.2011 20:39, schrieb Alan Stern: > > On Mon, 20 Jun 2011, Alexander Holler wrote: > > > >> I see it that way: packed is needed to be sure that at least for struct > >> ehci_regs there are no padding bytes inbetween the members. > > > > But is it _really_ needed? > > > >> It might > >> work without, but that depends on the compiler (-version, architecture, > >> whatever). > > > > Have there _ever_ been _any_ combinations of compiler, version, > > architecture, whatever, that had unwanted padding bytes in this > > structure? > > I don't know. But if there would be no doubts, this discussion would not > happen and I assume there never would have been an attribute packed there. Don't be so sure. That is very old code; the attribute could easily have been present for no good reason. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
