Date: Thu, 14 Oct 2004 19:07:48 +0100
From: Matthew Wilcox <matthew@wil.cx>
To: Christoph Hellwig <hch@infradead.org>, Matthew Wilcox <matthew@wil.cx>,
       Greg KH <greg@kroah.com>, linux-pci@atrey.karlin.mff.cuni.cz,
       linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: [PATCH] Introduce PCI <-> CPU address conversion [1/2]
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References: <20041014124737.GM16153@parcelfarce.linux.theplanet.co.uk> <20041014125348.GA9633@infradead.org> <20041014135323.GO16153@parcelfarce.linux.theplanet.co.uk> <20041014180005.GA11954@infradead.org>
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On Thu, Oct 14, 2004 at 07:00:06PM +0100, Christoph Hellwig wrote:
> For some architectures the sysdata is different for bus vs device, so
> yes, we do want strict typechecking.

How interesting.  I was under the impression that dev->sysdata was always
a copy of the bus's.  If that's not guaranteed, then we're just going
to have to dereference the additional pointer and use the bus' sysdata.

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain
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