From: David Woodhouse <dwmw2@infradead.org>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: A scrub daemon (prezeroing)
Date: Wed, 02 Feb 2005 21:39:54 +0000 [thread overview]
Message-ID: <1107380394.18239.34.camel@baythorne.infradead.org> (raw)
In-Reply-To: <20050202163110.GB23132@logos.cnet>
On Wed, 2005-02-02 at 14:31 -0200, Marcelo Tosatti wrote:
> Someone should try implementing the zeroing driver for a fast x86 PCI
> device. :)
The BT848/BT878 seems like an ideal candidate. That kind of abuse is
probably only really worth it on an architecture with cache-coherent DMA
though. If you have to flush the cache anyway, you might as well just
zero it from the CPU.
--
dwmw2
next prev parent reply other threads:[~2005-02-02 21:45 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-21 20:29 Christoph Lameter
2005-01-27 12:15 ` David Woodhouse
2005-01-27 13:12 ` Robin Holt
2005-01-27 13:14 ` David Woodhouse
2005-01-27 17:02 ` Christoph Lameter
2005-02-08 11:31 ` Ralf Baechle
2005-02-02 15:32 ` Marcelo Tosatti
2005-02-02 19:05 ` Christoph Lameter
2005-02-02 16:31 ` Marcelo Tosatti
2005-02-02 21:31 ` Christoph Lameter
2005-02-02 21:39 ` David Woodhouse [this message]
2005-02-03 3:06 ` Rik van Riel
2005-02-03 23:39 ` Paul Mackerras
2005-02-04 0:59 ` Christoph Lameter
2005-02-04 5:30 ` Paul Mackerras
2005-02-04 6:26 ` Christoph Lameter
2005-02-04 6:43 ` Nick Piggin
2005-02-04 6:50 ` Christoph Lameter
2005-02-04 9:20 ` Paul Mackerras
2005-02-04 9:28 ` Andi Kleen
2005-02-04 17:02 ` Christoph Lameter
2005-02-04 22:25 ` Paul Mackerras
2005-02-02 21:00 ` Maciej W. Rozycki
2005-02-02 21:33 ` David Woodhouse
2005-02-07 19:30 ` prezeroing V6 [0/3]: Changes and overview Christoph Lameter
2005-02-07 19:31 ` prezeroing V6 [1/3]: clear_pages Christoph Lameter
2005-02-07 19:31 ` prezeroing V6 [2/3]: ScrubD Christoph Lameter
2005-02-08 0:30 ` Andrew Morton
2005-02-08 0:49 ` Christoph Lameter
2005-02-08 1:09 ` Andrew Morton
2005-02-08 1:15 ` Christoph Lameter
2005-02-08 1:35 ` Andrew Morton
2005-02-08 16:11 ` Christoph Lameter
2005-02-08 20:27 ` Andrew Morton
2005-02-08 20:51 ` Christoph Lameter
2005-02-08 23:32 ` cliff white
2005-02-07 19:32 ` prezeroing V6 [3/3]: Altix SN2 Block Transfer Engine Zeroing Driver Christoph Lameter
-- strict thread matches above, loose matches on Subject: below --
2005-01-22 22:30 A scrub daemon (prezeroing) Joel Soete
2005-01-04 23:13 Prezeroing V3 [1/4]: Allow request for zeroed memory Christoph Lameter
2005-01-08 21:12 ` Hugh Dickins
2005-01-08 21:56 ` David S. Miller
2005-01-21 20:15 ` A scrub daemon (prezeroing) Christoph Lameter
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