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Re: [Publicity] [Xen-devel] [PATCH] Add ARINC653 scheduler maintainers.

On 9/12/2013 4:00 AM, Dario Faggioli wrote:
[Moving the conversation from @xen-devel to @publicity is happening on

[Dropped George and Kathy from CC list, added Paul]

On mer, 2013-09-11 at 17:42 -0400, Nathan Studer wrote:
From: Nathan Studer <nate.studer@xxxxxxxxxxxxxxx>

Hi, Nathan, Robert,

This is Dario, from Citrix, one of the Xen developer and the Xen
Project's blog Czar. :-D

Previously the ARINC653 scheduler was indirectly maintained by
Kathy Hadley and Josh Holtrop being cc'd on changes by George
Dunlap.  Maintenance is currently being done by Robert VanVossen
and myself.  To avoid potential communication problems in the
future, make Robbie and I the official maintainers.

This is actually cool news, I mean the fact that this scheduler is still
useful to you and that you're committing to support it.

Actually, given my background in Real-Time Systems, I've always been
very curious about this scheduler, but still haven't found the time to
investigate it properly.

So, I was wondering whether you'd be up for writing a piece on the Xen
Project's blog (http://blog.xenproject.org) with a bit  more of
information about it for all the Xen users and developers.

Something like, how the scheduler works (in short), what the typical use
cases are, what are its strengths and weaknesses, what led to its
introduction in Xen, why Xen, what do you currently use it for (if you
can say that in public), and stuff like that...

We would be more than happy to write a blog post about it.  An ARINC653
domain scheduler is from a technical perspective pretty boring as far
as real-time schedulers go, but it does have some nice time determinism
properties, which lends to its use in safety critical fields.

Looking up in the Wiki, I did find this
http://wiki.xen.org/wiki/ARINC653_Scheduler, that has most of the
technical information required to use it, but is surely not enough to
satisfy my curiosity! :-P :-P

We should probably update this page, while we are at it.

So, what do you think? If you want to do that, we can arrange for both a
schedule for publishing it (and sort out the technical details, like
allowing you to write blog posts).

Let us know.

Thanks and Regards,

We are pretty flexible, so whatever schedule works for you should be fine.


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