On Wednesday, March 08, 2006 5:36 pm, Paul Mackerras wrote: > Jesse Barnes writes: > > It uses a per-node address space to reference the local bridge. > > The local bridge then waits until the remote bridge has acked the > > write before, then sets the outstanding write register to the > > appropriate value. > > That sounds like mmiowb can only be used when preemption is disabled, > such as inside a spin-locked region - is that right?
There's a scheduler hook to flush things if a process moves. I think Brent Casavant submitted that patch recently. Jesse - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
