From: "ron minnich" <rminnich@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] Bay Area Plan 9 Users Group Meeting (August '07)
Date: Wed, 8 Aug 2007 14:08:28 -0700 [thread overview]
Message-ID: <13426df10708081408x48559821m1be70cacf3cc62bb@mail.gmail.com> (raw)
In-Reply-To: <c44264ab29d7b29e527101ac1fde0476@terzarima.net>
On 8/8/07, Charles Forsyth <forsyth@terzarima.net> wrote:
> > Fix is to give it lots of dma segments so that you can stay ahead of
> > the traffic.
>
> but is that then guaranteed, or just a matter of luck?
That's a great question. I believe it is a matter of luck. But if you
get the interrupt, and you put the new pointers in the dma struct
"quickly", and it has not wrapped around, well, you're in luck!
ron
p.s. Actually, it does not matter, lguest is going to replace its I/O
with the paravirt IO standard ops in the next release.
next prev parent reply other threads:[~2007-08-08 21:08 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-29 23:02 David Hendricks
2007-07-30 20:43 ` David Leimbach
2007-07-31 6:22 ` Nick LaForge
2007-08-01 1:36 ` Gorka Guardiola
2007-08-01 1:54 ` erik quanstrom
2007-08-01 2:31 ` Gorka Guardiola
2007-08-01 2:35 ` erik quanstrom
2007-08-01 3:37 ` Paul Lalonde
2007-08-01 4:13 ` Skip Tavakkolian
2007-08-01 4:50 ` Lucio De Re
2007-08-01 8:14 ` Bruce Ellis
2007-08-01 20:55 ` Francisco J Ballesteros
2007-08-07 21:37 ` David Hendricks
2007-08-07 22:22 ` Kim Shrier
2007-08-07 22:35 ` David Hendricks
2007-08-08 1:56 ` David Leimbach
2007-08-08 11:26 ` Bruce Ellis
2007-08-08 17:13 ` ron minnich
2007-08-08 17:22 ` Charles Forsyth
2007-08-08 18:33 ` David Leimbach
2007-08-08 17:27 ` Kris Maglione
2007-08-08 19:16 ` Kris Maglione
2007-08-08 19:14 ` ron minnich
2007-08-08 20:37 ` Charles Forsyth
2007-08-08 20:41 ` ron minnich
2007-08-08 20:58 ` Charles Forsyth
2007-08-08 21:08 ` ron minnich [this message]
2007-08-08 21:14 ` Eric Van Hensbergen
2007-08-08 21:20 ` ron minnich
2007-08-08 19:16 ` David Hendricks
2007-08-08 19:40 ` David Leimbach
2007-08-08 20:35 ` Charles Forsyth
2007-08-08 20:41 ` ron minnich
2007-08-07 23:07 ` Tharaneedharan Vilwanathan
2007-08-07 23:11 ` Tharaneedharan Vilwanathan
2007-08-01 23:52 ` David Hendricks
2007-08-02 1:35 ` Gorka Guardiola
2007-08-08 1:15 ` [9fans] " David Hendricks
2007-08-10 22:45 ` [9fans] " Roman Shaposhnick
[not found] ` <dac0a5820708101945ud4e7fb4t6f09288cbdf54019@mail.gmail.com>
2007-08-11 4:37 ` Bruce Ellis
2007-08-11 5:13 ` Anthony Sorace
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