From: Timur Tabi <ttabi@interactivesi.com>
To: David Wragg <dpw@doc.ic.ac.uk>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: ioremap_nocache problem?
Date: Wed, 24 Jan 2001 09:14:02 -0600 [thread overview]
Message-ID: <20010124151115Z131195-222+36@kanga.kvack.org> (raw)
In-Reply-To: <y7rk87leptf.fsf@sytry.doc.ic.ac.uk>
** Reply to message from David Wragg <dpw@doc.ic.ac.uk> on 24 Jan 2001 00:50:20
+0000
> (x86 processors with PAT and IA64 can set write-combining through page
> flags. x86 processors with MTRRs but not PAT would need a more
> elaborate implementation for write-combining.)
What is PAT? I desperately need to figure out how to turn on write combining
on a per-page level. I thought I had to use MTRRs, but now you're saying I can
use this "PAT" thing instead. Please explain!
--
Timur Tabi - ttabi@interactivesi.com
Interactive Silicon - http://www.interactivesi.com
When replying to a mailing-list message, please direct the reply to the mailing list only. Don't send another copy to me.
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next prev parent reply other threads:[~2001-01-24 15:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-23 10:30 Mark Mokryn
2001-01-23 16:53 ` Timur Tabi
2001-01-25 15:16 ` Stephen C. Tweedie
2001-01-25 15:56 ` Timur Tabi
2001-01-25 16:44 ` Roman Zippel
2001-01-25 16:49 ` Timur Tabi
2001-01-26 10:39 ` Stephen C. Tweedie
[not found] ` <20010125165001Z132264-460+11@vger.kernel.org>
2001-01-25 17:04 ` Jeff Hartmann
2001-01-25 17:11 ` Timur Tabi
[not found] ` <E14LpvQ-0008Pw-00@mail.valinux.com>
2001-01-25 17:47 ` Jeff Hartmann
2001-01-25 17:53 ` Timur Tabi
2001-01-26 10:43 ` Stephen C. Tweedie
2001-01-26 16:32 ` Eric W. Biederman
2001-01-26 19:22 ` Timur Tabi
[not found] ` <20010125175308Z130507-460+45@vger.kernel.org>
2001-01-25 18:13 ` Jeff Hartmann
2001-01-25 18:18 ` Timur Tabi
[not found] ` <E14Lqyt-0003z6-00@mail.valinux.com>
2001-01-25 18:46 ` Jeff Hartmann
[not found] ` <200101251556.f0PFuPd01743@mail.redhat.com>
2001-01-26 10:37 ` Stephen C. Tweedie
2001-01-23 18:12 ` Roman Zippel
2001-01-23 18:38 ` Timur Tabi
2001-01-24 0:50 ` David Wragg, David Wragg
2001-01-24 15:14 ` Timur Tabi [this message]
[not found] ` <E14LRce-0008FU-00@diver.doc.ic.ac.uk>
2001-01-24 15:39 ` David Wragg
[not found] ` <20010123183847Z131216-18594+636@vger.kernel.org>
2001-01-24 1:01 ` David Wragg
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