linux-kernel - Re: [PATCH] Fix broken debug output reserve_region_with

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Message-ID: <Pine.LNX.4.64.0810161030120.9022@vixen.sonytel.be>
Date:	Thu, 16 Oct 2008 10:30:52 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	David Miller <davem@...emloft.net>
cc:	hpa@...or.com, benh@...nel.crashing.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu, yhlu.kernel@...il.com
Subject: Re: [PATCH] Fix broken debug output reserve_region_with_split()

On Mon, 13 Oct 2008, David Miller wrote:
> From: "H. Peter Anvin" <hpa@...or.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.

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
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