netdev - Re: [PATCH 1/14] Spidernet DMA coalescing

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Message-ID: <45918F77.1010806@pobox.com>
Date:	Tue, 26 Dec 2006 16:09:11 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Linas Vepstas <linas@...tin.ibm.com>
CC:	Andrew Morton <akpm@...l.org>, netdev@...r.kernel.org,
	linuxppc-dev@...abs.org, Christoph Hellwig <hch@...radead.org>,
	Ishizaki Kou <kou.ishizaki@...hiba.co.jp>,
	Jens Osterkamp <Jens.Osterkamp@....de>,
	James K Lewis <jim@...ewis.com>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 1/14] Spidernet DMA coalescing

Linas Vepstas wrote:
> The current driver code performs 512 DMA mappings of a bunch of 
> 32-byte ring descriptor structures. This is silly, as they are 
> all in contiguous memory. This patch changes the code to 
> dma_map_coherent() each rx/tx ring as a whole.
> 
> Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>
> Cc: James K Lewis <jklewis@...ibm.com>
> Cc: Arnd Bergmann <arnd@...db.de>

applied 1-13 of 14 to netdev-2.6.git#upstream


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