linux-kernel - Re: [patch] ioremap sanity check to catch mapping requests exceeding the BAR sizes

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Message-ID: <20080927122145.49ad0cf4@lxorguk.ukuu.org.uk>
Date:	Sat, 27 Sep 2008 12:21:45 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	jbarnes@...tuousgeek.org, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, arjan@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] ioremap sanity check to catch mapping requests
 exceeding the BAR sizes

> 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...

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