From: Andi Kleen <andi@firstfloor.org>
To: "Dan Gora" <dan.gora@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PCI Bursting with PIO
Date: Fri, 15 Feb 2008 11:54:50 +0100 [thread overview]
Message-ID: <p73abm21ocl.fsf@bingen.suse.de> (raw)
In-Reply-To: <4779de450802141928led16cebkfb989551eb88a8cb@mail.gmail.com> (Dan Gora's message of "Thu\, 14 Feb 2008 19\:28\:55 -0800")
"Dan Gora" <dan.gora@gmail.com> writes:
>
> Is there any way to get PIO
I assume you really mean MMIO, not PIO. PIO would be port IO.
> to burst over the PCI bus in the read and
> write direction?
You should set the MMIO mapping to write combining using an MTRR
You might need to add appropiate memory barriers if you rely
on write ordering though.
-Andi
next prev parent reply other threads:[~2008-02-15 10:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-15 3:28 PCI Bursting with PIO Dan Gora
2008-02-15 10:54 ` Andi Kleen [this message]
2008-02-15 17:55 ` Dan Gora
2008-02-15 13:02 ` Alan Cox
2008-02-15 18:00 ` Dan Gora
2008-02-15 18:41 ` H. Peter Anvin
2008-02-15 19:00 ` Alan Cox
[not found] <fa.Mbzb1/2dWnp5V/5ElzijlkAstZU@ifi.uio.no>
2008-02-16 6:00 ` Robert Hancock
2008-02-17 4:53 ` Dan Gora
[not found] <fa.QF1nJvJhMpLvtquNDa6sbADHwhs@ifi.uio.no>
[not found] ` <fa.LrKLA2l3F3abMpHk4aDjFfwzFVI@ifi.uio.no>
[not found] ` <fa.kFanAY/O5VMnSf6YXqEyxmsR62U@ifi.uio.no>
2008-02-17 19:06 ` Robert Hancock
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=p73abm21ocl.fsf@bingen.suse.de \
--to=andi@firstfloor.org \
--cc=dan.gora@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.