From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: use generic DMA mapping code in powerpc V4 Date: Fri, 14 Dec 2018 17:45:28 +0100 Message-ID: <20181214164528.GB27074@lst.de> References: <2242B4B2-6311-492E-BFF9-6740E36EC6D4@xenosoft.de> <84558d7f-5a7f-5219-0c3a-045e6b4c494f@xenosoft.de> <20181213091021.GA2106@lst.de> <835bd119-081e-a5ea-1899-189d439c83d6@xenosoft.de> <76bc684a-b4d2-1d26-f18d-f5c9ba65978c@xenosoft.de> <20181213112511.GA4574@lst.de> <008c981e-bdd2-21a7-f5f7-c57e4850ae9a@xenosoft.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <008c981e-bdd2-21a7-f5f7-c57e4850ae9a@xenosoft.de> Sender: linux-kernel-owner@vger.kernel.org To: Christian Zigotzky Cc: Christoph Hellwig , linux-arch@vger.kernel.org, Darren Stevens , linux-kernel@vger.kernel.org, Julian Margetson , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras , Olof Johansson , linuxppc-dev@lists.ozlabs.org List-Id: iommu@lists.linux-foundation.org On Fri, Dec 14, 2018 at 01:00:26PM +0100, Christian Zigotzky wrote: > On 12 December 2018 at 3:15PM, Christoph Hellwig wrote: > > Thanks for bisecting.  I've spent some time going over the conversion > > but can't really pinpoint it.  I have three little patches that switch > > parts of the code to the generic version.  This is on top of the > > last good commmit (977706f9755d2d697aa6f45b4f9f0e07516efeda). > > > > Can you check with whіch one things stop working? > > Hello Christoph, > > Great news! All your patches work! No so great because that means I still have no idea what broke.. > I tested all your patches (including the patch '0004-alloc-free.patch' > today) and the PASEMI onboard ethernet works and the P5020 board boots > without any problems. Thank you for your work! > I have a few days off. That means, I will work less and only for the A-EON > first level Linux support. I can test again on Thursday next week. Enjoy your days off! I think I'll need to prepare something new that is better bisectable, and use that opportunity to reason about the changes a little more.