Date: Sun, 28 Oct 2007 18:09:49 -0700 (PDT)
Message-Id: <20071028.180949.233462591.davem@davemloft.net>
To: kyle@mcmartin.ca
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Only show RESOURCES_64BIT on relevant architectures
From: David Miller <davem@davemloft.net>
In-Reply-To: <20071028201549.GA23138@fattire.cabal.ca>
References: <20071028201549.GA23138@fattire.cabal.ca>
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From: Kyle McMartin <kyle@mcmartin.ca>
Date: Sun, 28 Oct 2007 16:15:49 -0400

> To quote lolcats: CONFIG_RESOURCES_64BIT DO NOT WANT!
> 
> I *think* I have the logic of this right... Anyway, I was annoyed by
> having to do the bloody ugly casts to unsigned long long in
> arch-specific code. As near as I can tell, we only want this selectable
> in the case of PAE on x86, and some random PPC and MIPS embedded boards.
> 
> For everyone else, it should be whatever the value of 64BIT is.
> 
> And I can be happy and continue using unsigned long and going about my
> merry business.
> 
> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

32-bit sparc has 36-bit physical addresses and thus needs
64-bit resources too
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