From: James Simmons <jsimmons@edgeglobal.com>
To: Rik Faith <faith@precisioninsight.com>
Cc: "Eric W. Biederman" <ebiederm+eric@ccr.net>,
Linux MM <linux-mm@kvack.org>
Subject: Re: MMIO regions
Date: Sun, 10 Oct 1999 20:21:15 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.10.9910102015030.4696-100000@imperial.edgeglobal.com> (raw)
In-Reply-To: <14336.53971.896012.84699@light.alephnull.com>
> No. The DRI assumes that direct-rendering clients are running as non-root
> users. A direct-rendering client, with an open connection to the X server,
> is allowed to mmap the MMIO region via a special device (additional
> restrictions also apply). For more information, please see "A Security
> Analysis of the Direct Rendering Infrastructure"
> (http://precisioninsight.com/dr/security.html).
> Just to clarify, the DRI does _not_ require that clients be SUID.
Oh my. Non root and direct access to buggy hardware.
Yeah since your familar with SGI can you explain to me the use of
/dev/shmiq, /dev/qcntl and /dev/usemaclone. I have seen them used for the
X server on IRIX and was just interested to see if they could be of use on
other platforms. Yes SGI linux supports these.
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next prev parent reply other threads:[~1999-10-11 0:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-10-04 14:38 James Simmons
1999-10-04 15:31 ` Stephen C. Tweedie
1999-10-04 15:52 ` James Simmons
1999-10-04 16:02 ` Benjamin C.R. LaHaise
1999-10-04 17:27 ` James Simmons
1999-10-04 17:56 ` Benjamin C.R. LaHaise
1999-10-04 18:26 ` James Simmons
1999-10-04 19:19 ` Stephen C. Tweedie
1999-10-06 20:15 ` James Simmons
1999-10-11 17:09 ` Stephen C. Tweedie
1999-10-11 17:26 ` Jeff Garzik
1999-10-11 23:14 ` James Simmons
1999-10-11 17:57 ` James Simmons
1999-10-04 16:11 ` Stephen C. Tweedie
1999-10-04 18:29 ` James Simmons
1999-10-04 19:35 ` Stephen C. Tweedie
1999-10-07 19:40 ` James Simmons
1999-10-10 11:24 ` Rik Faith
1999-10-10 14:03 ` Eric W. Biederman
1999-10-10 18:46 ` Rik Faith
1999-10-11 0:21 ` James Simmons [this message]
1999-10-11 10:59 ` Rik Faith
1999-10-11 3:38 ` Eric W. Biederman
1999-10-10 14:21 ` James Simmons
1999-10-11 17:22 ` Stephen C. Tweedie
1999-10-04 16:58 ` Marcus Sundberg
1999-10-04 18:27 ` James Simmons
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