From: Martin Mares <mj@ucw.cz>
To: Jon Smirl <jonsmirl@yahoo.com>
Cc: Matthew Wilcox <willy@debian.org>,
Jesse Barnes <jbarnes@engr.sgi.com>,
Christoph Hellwig <hch@infradead.org>,
lkml <linux-kernel@vger.kernel.org>,
linux-pci@atrey.karlin.mff.cuni.cz,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Exposing ROM's though sysfs
Date: Fri, 30 Jul 2004 22:13:57 +0200 [thread overview]
Message-ID: <20040730201357.GA5391@ucw.cz> (raw)
In-Reply-To: <20040730201052.GA5249@ucw.cz>
> Do I understand it correctly that the ROM-in-sysfs hack is intended only
> for debugging? If it is so, I do not see why we should do anything complicated
> in order to avoid root shooting himself in the foot.
... for which the config space access code already sets the precedent --
there exist (rare) devices which have configuration registers with side
effects on reads, making it possible to produce SCSI errors or even crash
the system by just dumping the config space. Even on these devices, the
kernel does not attempt to forbid reading of these registers via sysfs.
Have a nice fortnight
--
Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
A bug in the code is worth two in the documentation.
next prev parent reply other threads:[~2004-07-30 20:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-30 16:53 Exposing ROM's though sysfs Jon Smirl
2004-07-30 17:10 ` Jesse Barnes
2004-07-30 17:19 ` Jesse Barnes
2004-07-30 17:24 ` Christoph Hellwig
2004-07-30 17:57 ` Jesse Barnes
2004-07-30 18:06 ` Jesse Barnes
2004-07-30 18:12 ` Matthew Wilcox
2004-07-30 18:12 ` Jesse Barnes
2004-07-30 18:20 ` Martin Mares
2004-07-30 18:49 ` Jesse Barnes
2004-07-30 19:55 ` Greg KH
2004-07-30 20:05 ` Jon Smirl
2004-07-30 20:16 ` Jesse Barnes
2004-07-30 20:29 ` Greg KH
2004-07-30 18:59 ` Jon Smirl
2004-07-30 19:04 ` Matthew Wilcox
2004-07-30 19:30 ` Jon Smirl
2004-07-30 19:35 ` Martin Mares
2004-07-30 19:39 ` Jon Smirl
2004-07-30 19:46 ` Martin Mares
2004-07-30 20:03 ` Jon Smirl
2004-07-30 20:10 ` Martin Mares
2004-07-30 20:13 ` Martin Mares [this message]
2004-07-30 20:25 ` Jesse Barnes
2004-07-30 20:32 ` Jon Smirl
2004-07-30 20:41 ` Martin Mares
2004-07-30 20:49 ` Jesse Barnes
2004-07-30 20:54 ` Martin Mares
2004-07-30 21:00 ` Jesse Barnes
2004-07-30 21:07 ` Jon Smirl
2004-07-30 21:12 ` Jesse Barnes
2004-07-30 19:47 ` Vojtech Pavlik
2004-07-30 22:18 ` Thomas Bogendoerfer
2004-07-30 22:39 ` Alan Cox
2004-07-30 19:25 ` Jon Smirl
2004-07-30 19:35 ` Vojtech Pavlik
2004-07-30 19:41 ` Jon Smirl
2004-07-30 19:48 ` Vojtech Pavlik
2004-07-30 20:20 ` Jesse Barnes
2004-07-30 22:41 ` Alan Cox
[not found] <1091207136.2762.181.camel@rohan.arnor.net>
2004-07-30 17:24 ` Jon Smirl
2004-07-30 19:14 ` Vojtech Pavlik
2004-07-30 20:26 ` Jesse Barnes
2004-07-30 22:36 ` Alan Cox
2004-08-03 21:41 ` Benjamin Herrenschmidt
2004-08-04 0:55 ` Jesse Barnes
2004-08-04 0:59 ` Benjamin Herrenschmidt
2004-08-04 1:37 ` Jon Smirl
2004-08-04 1:57 ` Benjamin Herrenschmidt
2004-08-04 2:16 ` Jesse Barnes
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