From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [RFC PATCH v2 0/7] Introduce automatic DMA configuration for IOMMU masters Date: Tue, 02 Sep 2014 21:11:34 +0200 Message-ID: <4732768.tUfgnsJBJp@wuerfel> References: <1409680587-29818-1-git-send-email-will.deacon@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1409680587-29818-1-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Will Deacon Cc: jroedel-l3A5Bk7waGM@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org, Varun.Sethi-KZfg59tc24xl57MIdRCFDg@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: iommu@lists.linux-foundation.org On Tuesday 02 September 2014 18:56:20 Will Deacon wrote: > The main difference since v1 is that I've introduced some generic > structures to represent IOMMUs and their mappings (struct iommu_data and > struct iommu_dma_mapping). This allows us to propagate the per-instance > data all the way down to the DMA-mapping code, which can then manage a > per-instance domain. Note that the ARM dma-mapping implementation does > not currently make use of this information. > Overall I'm pretty happy with how this is turning out so far. I have commented on a few patches, everything else looks good to me. Arnd From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Tue, 02 Sep 2014 21:11:34 +0200 Subject: [RFC PATCH v2 0/7] Introduce automatic DMA configuration for IOMMU masters In-Reply-To: <1409680587-29818-1-git-send-email-will.deacon@arm.com> References: <1409680587-29818-1-git-send-email-will.deacon@arm.com> Message-ID: <4732768.tUfgnsJBJp@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 02 September 2014 18:56:20 Will Deacon wrote: > The main difference since v1 is that I've introduced some generic > structures to represent IOMMUs and their mappings (struct iommu_data and > struct iommu_dma_mapping). This allows us to propagate the per-instance > data all the way down to the DMA-mapping code, which can then manage a > per-instance domain. Note that the ARM dma-mapping implementation does > not currently make use of this information. > Overall I'm pretty happy with how this is turning out so far. I have commented on a few patches, everything else looks good to me. Arnd