linux-kernel - Re: [RFC PATCH 2/2] ARM: NOMMU: Wire-up default DMA interface

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Date:   Wed, 19 Jul 2017 09:21:40 +0200
From:   Christoph Hellwig <hch@....de>
To:     Vladimir Murzin <vladimir.murzin@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux@...linux.org.uk, sza@....hu, arnd@...db.de,
        gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
        alexandre.torgue@...com, robin.murphy@....com, kbuild-all@...org,
        benjamin.gaignard@...aro.org, hch@....de, m.szyprowski@...sung.com,
        vitaly_kuzmichev@...tor.com, george_davis@...tor.com
Subject: Re: [RFC PATCH 2/2] ARM: NOMMU: Wire-up default DMA interface

On Mon, Jul 17, 2017 at 09:58:05AM +0100, Vladimir Murzin wrote:
> The way how default DMA pool is exposed has changed and now we need to
> use dedicated interface to work with it. This patch makes alloc/release
> operations to use such interface. Since default DMA pool is not
> handled by generic code anymore we have to implement our own mmap
> operation.

Looks good to me.