On Maw, 2006-03-07 at 17:36 +0000, David Howells wrote: > Hmmm... We don't actually have io_wmb()... Should the following be added to > all archs? > > io_mb() > io_rmb() > io_wmb() What kind of mb/rmb/wmb goes with ioread/iowrite ? It seems we actually need one that can work out what to do for the general io API ?