On Tue, 2 Oct 2007 19:52:42 -0600
Matthew Wilcox <[email protected]> wrote:
> On Wed, Oct 03, 2007 at 10:31:36AM +0900, KAMEZAWA Hiroyuki wrote:
> > i386 and x86_64 registers System RAM as IORESOUCE_MEM | IORESOUCE_BUSY.
> > ia64 registers System RAM as IORESOURCE_MEM.
> >
> > Which is better ?
>
> Should probably be BUSY. Non-BUSY regions can have io resources
> requested underneath them, but you wouldn't want a PCI device to be
> assigned an address which overlaps with physical memory.
Thank you.
It seems that I'll have to try modifing ia64 and memory hotplug in
the next -mm.
Regards,
-Kame
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