Date: Tue, 25 Dec 2007 10:22:35 +0100
From: Martin Mares <mj@ucw.cz>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Jeff Garzik <jeff@garzik.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       linux-kernel@vger.kernel.org, gregkh@suse.de,
       linux-pci@atrey.karlin.mff.cuni.cz,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [patch] Make MMCONFIG space (extended PCI config space) a driver opt-in issue
Message-ID: <mj+md-20071225.091827.22368.nikam@ucw.cz>
References: <476DB95F.3090801@garzik.org> <alpine.LFD.0.9999.0712221939570.21557@woody.linux-foundation.org> <476DDFEE.3010009@garzik.org> <alpine.LFD.0.9999.0712222034150.21557@woody.linux-foundation.org> <476DE98F.2010009@garzik.org> <20071223023348.348608a8@laptopd505.fenrus.org> <476F5A09.5010201@garzik.org> <20071224034935.600bdb30@laptopd505.fenrus.org> <476F9DF6.60100@garzik.org> <20071224040007.1277fddd@laptopd505.fenrus.org>
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Hello!

> (and yes I realize this needs lspci to be expanded some to set the
> flag if the admin really asks for it, but such is life)

Reading past the first 256 bytes of the sysfs file should be enough
-- only root can do that (other users get only 64 bytes anyway) and
problems with reading random registers have hopefully taught programs
not to read blindly a long time ago.

				Have a nice fortnight
-- 
Martin `MJ' Mares                          <mj@ucw.cz>   http://mj.ucw.cz/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Never make any mistaeks.
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