Re: [RFC PATCH v4 00/19] Core scheduling v4

Dario Faggioli
2019-11-01T18:08:07Z

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On Fri, 2019-11-01 at 09:35 -0700, Greg Kerr wrote:
> Has anyone considering shipping a V1 implementation which just allows
> threads from the same process to share a core together? And then
> iterating on that? Would that be simpler to implement or do the same
> fundamental problems exist as tagging arbitrary processes with
> cookies?
>
IMO, the latter, i.e., the same fundamental problem exist.

It's _tasks_ having to be scheduled in a certain way.

It does not matter much, as far as the necessary modifications to the
scheduler are concerned, whether those tasks are independent processes,
or threads or the same process, or vcpus of a VMs, etc...

Regards
--
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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