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Date:   Fri, 7 Dec 2018 18:05:19 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Robin Murphy <robin.murphy@arm.com>
Cc:     hch@lst.de, iommu@lists.linux-foundation.org,
        m.szyprowski@samsung.com, catalin.marinas@arm.com,
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Subject: Re: [PATCH 0/2] Refactor dummy DMA ops
Message-ID: <20181207170519.GA26857@lst.de>
References: <cover.1544199754.git.robin.murphy@arm.com>
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So I'd really prefer if we had a separate dummy.c file, like in
my take on your previous patch here:

http://git.infradead.org/users/hch/misc.git/commitdiff/e01adddc1733fa414dc16cd22e8f58be9b64a025

http://git.infradead.org/users/hch/misc.git/commitdiff/596bde76e5944a3f4beb8c2769067ca88dda127a

Otherwise this looks fine.  If you don't minde I'll take your patches,
apply the move to a separate file and merge it into the above tree.