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SubjectRe: [PATCH] Fix broken debug output reserve_region_with_split()
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From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Thu, 16 Oct 2008 10:30:52 +0200 (CEST)

> On Mon, 13 Oct 2008, David Miller wrote:
> > From: "H. Peter Anvin" <hpa@zytor.com>
> > Date: Mon, 13 Oct 2008 19:54:33 -0700
> >
> > > I pointed out that we should use the flags to determine formatting
> > > options, e.g. I/O space is only 16 bits on x86.
> >
> > It's 64-bit on sparc64 :-)
> >
> > There's also the bit where we use a 32-bit resource_t on sparc32
> > but encode the top 4-bits of the 36 bit physical I/O address in
> > the resource flags member.
>
> So wouldn't it be better to switch those sparc32 configs to a 64-bit
> resource_t? I think all other platforms with 36-bit physical addresses went
> that way.

Absolutely, this is what should happen.

I'll try to make this happen in 2.6.29, it's a moderately invasive
change because it effects how ioremap() and friends are implemented.


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