Messages in this thread | | | Date | Thu, 16 Oct 2008 01:38:50 -0700 (PDT) | Subject | Re: [PATCH] Fix broken debug output reserve_region_with_split() | From | David Miller <> |
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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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