remoteproc open issues (was [RFC 1/4] remoteproc: Bugfix assigndevice address to carveout (noiommu)

From: Sjur BrÃndeland
Date: Fri Oct 19 2012 - 09:45:29 EST


On Fri, Aug 10, 2012 at 5:30 PM, Ohad Ben-Cohen <ohad@xxxxxxxxxx> wrote:
> The general direction I have in mind is to put the resource table in
> its final location while we do the first pass of fw parsing.
> This will solve all sort of open issues we have (or going to have soon):
> 1. dynamically-allocated address of the vrings can be communicated
> 2. vdev statuses can be communicated
> 3. virtio config space will finally become bi-directional as it should
> 4. dynamically probed rproc-to-rproc IPC could then take place
> It's the real deal :)
> The only problem with this approach is that the resource table isn't
> reloaded throughout cycles of power up/down, and that is insecure.
> We'll have to manually reload it somewhere after the rproc is powered
> down (or before it is powered up again).
> This change will break existing firmwares, but it looks required and inevitable.

Has anyone started looking into any of the open issues mentioned above?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at