From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Dan Gora" <dan.gora@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PCI Bursting with PIO
Date: Fri, 15 Feb 2008 19:00:11 +0000 [thread overview]
Message-ID: <20080215190011.56e4080c@core> (raw)
In-Reply-To: <4779de450802151000o2c06df0fq6d0daa22c43b935b@mail.gmail.com>
On Fri, 15 Feb 2008 10:00:28 -0800
"Dan Gora" <dan.gora@gmail.com> wrote:
> On Fri, Feb 15, 2008 at 5:02 AM, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> > > Is there any way to get PIO to burst over the PCI bus in the read and
> > > write direction? My device has 4 BAR registers, but the area where I
> >
> > I think you are doign about as well as the X folks did when they spent
> > time on trying to optimise pio transfers to and from graphics card RAM.
> >
>
> That's good to know. Do you have a link or anything to their
> discussion or some key words that I could hunt it down?
It was some time ago but a look at the X tree will find you the code.
It's basically the same as you did - using MMX.
next prev parent reply other threads:[~2008-02-15 19:08 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
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 [this message]
[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
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