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Date:   Fri, 14 Jun 2019 16:44:24 +0200
From:   Christoph Hellwig <hch@....de>
To:     Vineet Gupta <vgupta@...opsys.com>
Cc:     Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Helge Deller <deller@....de>,
        Vladimir Murzin <vladimir.murzin@....com>,
        linux-snps-arc@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        openrisc@...ts.librecores.org, linux-parisc@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: handle "special" dma allocation in common code

Hi all,,

this series ensures that the common dma-direct code handles the somewhat
special allocation types requested by the DMA_ATTR_NON_CONSISTENT and
DMA_ATTR_NO_KERNEL_MAPPING flags directly.  To do so it also removes three
partial and thus broken implementations of DMA_ATTR_NON_CONSISTENT.  Last
but not least it switches arc to use the generic dma remapping code now
that arc doesn't implement any special behavior.

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