> This is why I said "good enough for drivers". This is _key_. > > I have run into several [PCI] devices with 64-bit registers, and > __none__ of them had requirements such that the Linux platform code > -must- provide an atomic readq/writeq. Probably because everybody wants > to support 32-bit platforms with their devices. > > What you call "fairly bogus" is precisely what drivers need. These > devices with 64-bit registers just don't need the atomicity that arch > developers harp about :)
Is there any consistency in that case in which half need to be read/written first ? Or none of these ever had side effects ? Ben. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
