From: James Simmons <jsimmons@edgeglobal.com>
To: Ralf Baechle <ralf@uni-koblenz.de>
Cc: "Eric W. Biederman" <ebiederm+eric@ccr.net>,
"Stephen C. Tweedie" <sct@redhat.com>,
"Benjamin C.R. LaHaise" <blah@kvack.org>,
Linux MM <linux-mm@kvack.org>
Subject: Re: page faults
Date: Fri, 29 Oct 1999 10:52:57 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.10.9910291049300.17696-100000@imperial.edgeglobal.com> (raw)
In-Reply-To: <19991026110558.A1588@uni-koblenz.de>
> In the past Linus already said that he doesn't want such a feature to
> enter mm and I agree with him because of the involved complexity. So
> in short I'd say it's best to leave the operation of this interface
> undefined and recommend the usage of a separate rendering thread or
> a suitable mutual exclusion algorithem.
I agree too. I will see which is better. A mutal exclusion algorithm or a
special graphics thread which does have its own private mappings.
> > If the hardware cannot support two processors hitting the region
> > simultaneously, (support would be worst case the graphics would look
> > strange) you could have problems.
>
> I'm sure there is stupid hardware which will allow to crash the system.
Its about proper virtualization. Imagine if userland would have to
negotate access to hard drives.
--
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next prev parent reply other threads:[~1999-10-29 14:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-10-21 16:31 James Simmons
1999-10-21 19:40 ` Benjamin C.R. LaHaise
1999-10-22 0:47 ` Wang Yong
1999-10-22 13:06 ` Stephen C. Tweedie
1999-10-22 14:59 ` James Simmons
1999-10-22 15:15 ` Benjamin C.R. LaHaise
1999-10-22 17:35 ` Stephen C. Tweedie
1999-10-22 23:31 ` James Simmons
1999-10-24 17:15 ` Eric W. Biederman
1999-10-25 17:27 ` William J. Earl
1999-10-26 13:50 ` Marcus Sundberg
1999-10-26 14:00 ` Eric W. Biederman
1999-10-26 15:11 ` James Simmons
1999-10-26 18:04 ` William J. Earl
1999-10-26 9:05 ` Ralf Baechle
1999-10-29 14:52 ` James Simmons [this message]
1999-11-01 11:57 ` Stephen C. Tweedie
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