On Thu, Mar 30, 2006 at 08:31:02AM +0900, KAMEZAWA Hiroyuki wrote: > On Wed, 29 Mar 2006 08:37:34 -0600 > Jack Steiner <steiner@xxxxxxx> wrote: > > ACPI3.0 will have a way to describe these IO nodes. We have not done the > > design but when ACPI3.0 is available, we intend to make the kernel fully > > aware of IO-only nodes. > > > > Then, we should set I/O nodes's pxm to pxm_online_map (I added in patch) in > acpi_numa_arch_fixup() in addition to cpus and memory. But there are no codes > to find available I/O nodes now. > Correct ? Correct for ACPI2.0. ACPI3.0 has the PXM for IO buses (at least I think it was at the bus level - I don't have the spec right now) in one of the IO tables. > > BTW I heared ACPI3.0 can define pxm > 256. If we support it, entire codes should > be rewrote ;(. Yes. IIRC, PXM is a 32-bits in some tables, 24-bits in other tables. > > -- Kame --- Jack - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|