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Date: Sat, 27 Sep 2008 07:43:55 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Suresh Siddha <suresh.b.siddha@intel.com>, jbarnes@virtuousgeek.org,
       mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com,
       torvalds@linux-foundation.org, akpm@linux-foundation.org,
       arjan@linux.intel.com, linux-kernel@vger.kernel.org
Subject: Re: [patch] ioremap sanity check to catch mapping requests exceeding
 the BAR sizes
References: <20080926014334.GF15609@linux-os.sc.intel.com>	<48DDDDDE.7060707@goop.org> <20080927122145.49ad0cf4@lxorguk.ukuu.org.uk>
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Alan Cox wrote:
>> Any attempt to use ioremap on memory is a bug, so you should warn about
>> that too.
>>     
>
> We use it to ioremap things like the BIOS...

Yeah, that's fine.  I mean using ioremap on system memory is a bug.

    J