Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932089AbWJNCM0 (ORCPT ); Fri, 13 Oct 2006 22:12:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752042AbWJNCM0 (ORCPT ); Fri, 13 Oct 2006 22:12:26 -0400 Received: from e1.ny.us.ibm.com ([32.97.182.141]:51431 "EHLO e1.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1752040AbWJNCMZ (ORCPT ); Fri, 13 Oct 2006 22:12:25 -0400 Message-ID: <45304771.70606@austin.ibm.com> Date: Fri, 13 Oct 2006 21:12:01 -0500 From: Joel Schopp User-Agent: Thunderbird 1.5.0.7 (Windows/20060909) MIME-Version: 1.0 To: Linas Vepstas CC: akpm@osdl.org, jeff@garzik.org, Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Subject: Re: [PATCH 21/21]: powerpc/cell spidernet DMA coalescing References: <20061010204946.GW4381@austin.ibm.com> <20061010212324.GR4381@austin.ibm.com> In-Reply-To: <20061010212324.GR4381@austin.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 943 Lines: 22 Linas Vepstas wrote: > The current driver code performs 512 DMA mappns of a bunch of > 32-byte structures. This is silly, as they are all in contiguous > memory. Ths patch changes the code to DMA map the entie area > with just one call. > > Signed-off-by: Linas Vepstas > Cc: James K Lewis > Cc: Arnd Bergmann While this patch wasn't useful in the current cell implementation of pci_map_single it sounds like people are going to be making changes to that sometime. In light of that new information (new to me anyway) this should probably go in after all. Sorry for causing trouble. Acked-by: Joel Schopp - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/