Ipipe-Patch for kernel version 5.4.23

Jan Kiszka jan.kiszka at siemens.com
Mon Mar 2 17:01:19 CET 2020


On 02.03.20 16:17, Greg Gallagher wrote:
> 
> On Mon, Mar 2, 2020 at 7:38 AM Jan Kiszka via Xenomai 
> <xenomai at xenomai.org <mailto:xenomai at xenomai.org>> wrote:
> 
>     On 02.03.20 11:00, Ralf Moder via Xenomai wrote:
>      > Hello everyone,
>      > I need the kernel version 5.4.23 in an embedded linux project
>     because of driver stuff but also the Xenomai extension. How big is
>     the probability that an I-pipe patch for the 5.4 version will be
>     released in the next 2 to 3 months?
> 
>     I would first of all say that it's >0. But beyond that, it depends on
>     the architecture: x86 should be available on 5.4 in the next months
>     with
>     a probability >>50% as that will be my primary target for looking into
>     how to move forward. ARM and ARM64 currently lacks a maintainer. If we
>     are lucky, the base enabling via Philippe's dovetail queue will enable
>     those more or less as well. But it will definitely take someone to take
>     responsibility for those archs because my colleagues and I currently
>     cannot invest beyond integrating contributions. There is also ppc32
>     (which has a maintainer), but I suppose that this is not your target.
> 
>     Jan
> 
>     -- 
>     Siemens AG, Corporate Technology, CT RDA IOT SES-DE
>     Corporate Competence Center Embedded Linux
> 
> If you need this for arm I was going to try to port the ipipe to 5.4 in 
> the near future. Effort wise it shouldn't be too bad, but it all depends 
> on how much the upstream changes impact us.  What board are you targeting?

I suppose that questions addresses Ralf (provided he runs on ARM).

As mentioned before, our tiny test lab currently contains for ARM a 
BeagleBone Black and QEMU instance.

> 
> Jan, I can  help out maintaining the ARM ipipe.  We can talk offline if 
> you'd like.

That would be great, looking forward!

Jan

-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux



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