Messages in this thread | | | Date | Mon, 14 Jan 2002 17:02:25 -0800 | From | Jesse Barnes <> | Subject | Re: memory-mapped i/o barrier |
| |
On Mon, Jan 14, 2002 at 05:24:54PM +1100, Anton Blanchard wrote: > Can loads/stores also complete out of order to IO? (the example just shows > a store from one cpu passing one from another cpu)
I'm not sure what you mean, do you have an example?
> On ppc32/ppc64 this can happen, it is fixed up in the low level pci > routines. Is there a case where you cant wrap it up in the low level > routines like ppc32/ppc64?
You mean in each outX routine you essentially do an mmiob()?
Jesse - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |