linux-kernel - Re: [PATCHv2 8/8] videobuf2: handle non-contiguous DMA allocations

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Message-ID: <20210428061451.GB5084@lst.de>
Date:   Wed, 28 Apr 2021 08:14:51 +0200
From:   Christoph Hellwig <hch@....de>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Tomasz Figa <tfiga@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Christoph Hellwig <hch@....de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 8/8] videobuf2: handle non-contiguous DMA allocations

On Tue, Apr 27, 2021 at 10:13:43PM +0900, Sergey Senozhatsky wrote:
> This adds support for new noncontiguous DMA API, which
> requires allocators to have two execution branches: one
> for the current API, and one for the new one.
> 
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
> [hch: untested conversion to the ne API]
> Signed-off-by: Christoph Hellwig <hch@....de>

I think you can skip my signoff and the note here for the trivial
conversion.

The code looks fine to me from the DMA API perspective:

Acked-by: Christoph Hellwig <hch@....de>