Messages in this thread | | | Date | Mon, 28 Jun 2021 14:14:19 -0600 | From | Mathieu Poirier <> | Subject | Re: remoteproc DMA API abuse status |
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On Fri, Jun 25, 2021 at 09:27:09AM +0200, Arnaud POULIQUEN wrote: > Hello Mathieu, > > On 6/24/21 9:35 PM, Mathieu Poirier wrote: > > 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? > > 2 references: > > 1)Previous discussion thread on the topic: > > https://patchwork.kernel.org/project/linux-remoteproc/patch/AOKowLclCbOCKxyiJ71WeNyuAAj2q8EUtxrXbyky5E@cp7-web-042.plabs.ch/ >
I remember that one. Glad to see there wasn't anything else before that.
> 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 >
I thought your current work on refactoring the rpmsg_char driver was part of the early steps on the way to splitting that patchset up...
> No time yet on my side to come back on the patchset :( >
I know the feeling.
Thanks for the info, Mathieu
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