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Message-Id: <20081016.234747.193703936.davem@davemloft.net>
Date: Thu, 16 Oct 2008 23:47:47 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: hpa@...or.com
Cc: benh@...nel.crashing.org, torvalds@...ux-foundation.org,
rdreier@...co.com, Geert.Uytterhoeven@...ycom.com,
linux-kernel@...r.kernel.org, mingo@...e.hu, yhlu.kernel@...il.com,
akpm@...ux-foundation.org
Subject: Re: [PATCH] Fix broken debug output reserve_region_with_split()
From: "H. Peter Anvin" <hpa@...or.com>
Date: Thu, 16 Oct 2008 23:39:18 -0700
> Benjamin Herrenschmidt wrote:
> > The latest patch I posted will do full size of resource_size_t unless
> > you arch explicitely adds a #define to do it differently so that
> > should work for you :-)
> >
>
> IMNSHO I think you can default to 8 digits for I/O for PCI, since at least last I looked there was no 64-bit address space possible for I/O.
Resources are representing different things on different platforms.
On sparc64 it's actually the full 64-bit physical I/O address on the
system bus being stored in there. So even IORESOURCE_IO objects have
64-bits of relevancy.
Like I said, printing out the entire thing has helped me find real
bugs, so printing the whole thing is not without merit.
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