From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.dvmed.net (srv5.dvmed.net [207.36.208.214]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id BB76EDDEE1 for ; Wed, 27 Dec 2006 08:09:32 +1100 (EST) Message-ID: <45918F77.1010806@pobox.com> Date: Tue, 26 Dec 2006 16:09:11 -0500 From: Jeff Garzik MIME-Version: 1.0 To: Linas Vepstas Subject: Re: [PATCH 1/14] Spidernet DMA coalescing References: <20061213210010.GR4329@austin.ibm.com> <20061213210659.GA1915@austin.ibm.com> In-Reply-To: <20061213210659.GA1915@austin.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: Andrew Morton , Arnd Bergmann , netdev@vger.kernel.org, Christoph Hellwig , linuxppc-dev@ozlabs.org, Jens Osterkamp , James K Lewis List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 > Cc: James K Lewis > Cc: Arnd Bergmann applied 1-13 of 14 to netdev-2.6.git#upstream