linux-kernel - Re: remoteproc DMA API abuse status

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Message-ID: <20210624193514.GA1090275@p14s>
Date:   Thu, 24 Jun 2021 13:35:14 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: remoteproc DMA API abuse status

Good day Christoph,

On Wed, Jun 23, 2021 at 03:43:07PM +0200, Christoph Hellwig wrote:
> Hi remoteproc maintainers,
> 
> did you make any progress to get remoteproc out of creating fake
> devices that fake their dma ops status and the abuse of
> dma_declare_coherent_memory in removeproc_virtio?  I remember we had
> a discussion on this a long time ago, and there was an unfinished
> patchset to change the memory pool handling.  What happened to all that?

I believe the conversation and patchset you are referring to are pre-dating my
time in this subsystem.  To make sure I am looking at the right thing, can you
(or anyone else) point me to that discussion and related patches?  

Thanks,
Mathieu