Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752319AbcKGKDX (ORCPT ); Mon, 7 Nov 2016 05:03:23 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:41946 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751134AbcKGKDW (ORCPT ); Mon, 7 Nov 2016 05:03:22 -0500 Date: Mon, 7 Nov 2016 11:03:31 +0100 From: Greg KH To: Michael Zoran Cc: devel@driverdev.osuosl.org, daniels@collabora.com, swarren@wwwdotorg.org, lee@kernel.org, linux-kernel@vger.kernel.org, eric@anholt.net, noralf@tronnes.org, linux-rpi-kernel@lists.infradead.org, popcornmix@gmail.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] staging: vc04_services: add vchiq_pagelist_info structure Message-ID: <20161107100331.GA19666@kroah.com> References: <20161031081035.22677-1-mzoran@crowfest.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161031081035.22677-1-mzoran@crowfest.net> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1015 Lines: 30 On Mon, Oct 31, 2016 at 01:10:35AM -0700, Michael Zoran wrote: > The current dma_map_sg based implementation for bulk messages > computes many offsets into a single allocation multiple times in > both the create and free code paths. This is inefficient, > error prone and in fact still has a few lingering issues > with arm64. > > This change replaces a small portion of that inplementation with > new code that uses a new struct vchiq_pagelist_info to store the > needed information rather then complex offset calculations. > > This improved implementation should be more efficient and easier > to understand and maintain. > > Tests Run(Both Pass): > vchiq_test -p 1 > vchiq_test -f 10 > > Signed-off-by: Michael Zoran > --- > .../interface/vchiq_arm/vchiq_2835_arm.c | 223 +++++++++++---------- > 1 file changed, 113 insertions(+), 110 deletions(-) This doesn't apply to the tree anymore because of your previous patch :( Can you refresh it and resend? thanks, greg k-h