On Fri, Feb 15, 2008 at 2:54 AM, Andi Kleen <[EMAIL PROTECTED]> wrote: > "Dan Gora" <[EMAIL PROTECTED]> writes: > > > > Is there any way to get PIO > > I assume you really mean MMIO, not PIO. PIO would be port IO.
Sorry, I always saw it referred to as "Programmed I/O" as opposed to DMA... > You should set the MMIO mapping to write combining using an MTRR Sorry to be thick here, but how would I go about doing that? > You might need to add appropiate memory barriers if you rely > on write ordering though. Ok, thanks for the info... dan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
