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Date: Thu, 13 Dec 2018 10:10:21 +0100
From: Christoph Hellwig <hch@lst.de>
Subject: Re: use generic DMA mapping code in powerpc V4
Message-ID: <20181213091021.GA2106@lst.de>
References: <8a2c4581-0c85-8065-f37e-984755eb31ab@xenosoft.de> <424bb228-c9e5-6593-1ab7-5950d9b2bd4e@xenosoft.de> <c86d76b4-b199-557e-bc64-4235729c1e72@xenosoft.de> <1ecb7692-f3fb-a246-91f9-2db1b9496305@xenosoft.de> <6c997c03-e072-97a9-8ae0-38a4363df919@xenosoft.de> <4cfb3f26-74e1-db01-b014-759f188bb5a6@xenosoft.de> <82879d3f-83de-6438-c1d6-49c571dcb671@xenosoft.de> <20181212141556.GA4801@lst.de> <2242B4B2-6311-492E-BFF9-6740E36EC6D4@xenosoft.de> <84558d7f-5a7f-5219-0c3a-045e6b4c494f@xenosoft.de>
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To: Christian Zigotzky <chzigotzky@xenosoft.de>
Cc: Christoph Hellwig <hch@lst.de>, linux-arch@vger.kernel.org, Darren Stevens <darren@stevens-zone.net>, linux-kernel@vger.kernel.org, Julian Margetson <runaway@candw.ms>, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras <paulus@samba.org>, Olof Johansson <olof@lixom.net>, linuxppc-dev@lists.ozlabs.org

On Thu, Dec 13, 2018 at 09:41:50AM +0100, Christian Zigotzky wrote:
> Today I tried the first patch (0001-get_required_mask.patch) with the last 
> good commit (977706f9755d2d697aa6f45b4f9f0e07516efeda). Unfortunately this 
> patch is already included in the last good commit 
> (977706f9755d2d697aa6f45b4f9f0e07516efeda). I will try the next patch.

Hmm, I don't think this is the case.  This is my local git log output:

commit 83a4b87de6bc6a75b500c9959de88e2157fbcd7c
Author: Christoph Hellwig <hch@lst.de>
Date:   Wed Dec 12 15:07:49 2018 +0100

    get_required_mask

commit 977706f9755d2d697aa6f45b4f9f0e07516efeda
Author: Christoph Hellwig <hch@lst.de>
Date:   Sat Nov 10 22:34:27 2018 +0100

    powerpc/dma: remove dma_nommu_mmap_coherent

I've also pushed a git branch with these out to:

    git://git.infradead.org/users/hch/misc.git powerpc-dma.5-debug