Re: remoteproc DMA API abuse status

From: Christoph Hellwig
Date: Mon Jun 28 2021 - 09:37:38 EST


On Fri, Jun 25, 2021 at 09:27:09AM +0200, Arnaud POULIQUEN wrote:
> > 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?
>
> 2 references:
>
> 1)Previous discussion thread on the topic:
>
> https://patchwork.kernel.org/project/linux-remoteproc/patch/AOKowLclCbOCKxyiJ71WeNyuAAj2q8EUtxrXbyky5E@xxxxxxxxxxxxxxxxxxxx/
>
> 2) My patchset related to the refactoring of remoteproc virtio which tries to
> address the point by creating a remoteproc platform driver and declaring a
> virtio subnode in the device tree remoteproc node.
>
> https://lkml.org/lkml/2020/4/16/1817
>
> No time yet on my side to come back on the patchset :(

I was hoping you'd make some progress on that. Any way I could help
without having access to the relevant hardware myself?