linux-kernel - Re: move the arm arch_dma_alloc implementation to common code

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Message-ID: <20181109075238.GA27578@lst.de>
Date:   Fri, 9 Nov 2018 08:52:38 +0100
From:   Christoph Hellwig <hch@....de>
To:     iommu@...ts.linux-foundation.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org, Guo Ren <ren_guo@...ky.com>,
        Laura Abbott <labbott@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: move the arm arch_dma_alloc implementation to common code

Can I get a quick review from the arm64 folks?  I think it should
be fine there as it basically is a code move, but an additional pair
or two of eyes always helps to weed out bugs.

On Mon, Nov 05, 2018 at 01:19:22PM +0100, Christoph Hellwig wrote:
> Hi all,
> 
> this series moves the existing arm64 implementation of arch_dma_alloc and
> arch_dma_free to common code given that it is not arm64-specific, and
> then also uses it for csky.  Given how many architectures remap memory
> for the DMA coherent implementation it should be usable for many more,
> and the new cache flushing hook and the generic atomic pool are also
> enablers for implementing the IOMMU API dma ops in common code in a
> follow on series.
> _______________________________________________
> iommu mailing list
> iommu@...ts.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
---end quoted text---

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