From: Ralf Baechle <ralf@linux-mips.org>
To: Don Fry <pcnet32@verizon.net>
Cc: jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] pcnet32: only allocate init_block dma consistent
Date: Wed, 7 Mar 2007 03:10:11 +0000 [thread overview]
Message-ID: <20070307031011.GA4281@linux-mips.org> (raw)
In-Reply-To: <20070306184523.GA23268@verizon.net>
On Tue, Mar 06, 2007 at 10:45:23AM -0800, Don Fry wrote:
> The patch below moves the init_block out of the private struct and
> only allocates init block with pci_alloc_consistent.
>
> This has two effects:
>
> 1. Performance increase for non cache coherent machines, because the
> CPU only data in the private struct are now cached
This small change btw. delivers about ~ 3% extra performance on a very
slow test system.
Ralf
next prev parent reply other threads:[~2007-03-07 3:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-06 18:45 [PATCH 1/2] pcnet32: only allocate init_block dma consistent Don Fry
2007-03-07 3:10 ` Ralf Baechle [this message]
2007-03-07 3:39 ` Michael K. Edwards
2007-03-07 4:21 ` Ralf Baechle
2007-03-07 16:35 ` Michael K. Edwards
2007-03-07 19:22 ` Ralf Baechle
2007-03-07 20:15 ` Michael K. Edwards
2007-03-08 1:44 ` Don Fry
2007-03-07 14:50 ` Lennart Sorensen
2007-03-09 17:01 ` Jeff Garzik
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