Re: [Xen-devel] [PATCH v3 10/10] xen/arm: Enable errata for secondary CPU on hotplug after the boot

[Dario Faggioli <dfaggioli@xxxxxxxx>]

On Thu, 2018-05-10 at 17:49 +0200, Mirela Simonovic wrote:
> Regardless of the fact that the notifier returns an error or not, I
> believe it would be good and safe to set priority and document that
> priority zero would cause racing issue in the scenario I debugged
> today. I'm pretty sure that this discussion would be forgotten soon
> and it really should be documented in code/comment.
> 
I may very well be missing or misunderstanding something, but I
continue to think that the problem here is that CPU_STARTING can't,
right now, fail, while you need it to be able to.

If that is the case, giving different priorities to the notifier, is
not a solution.

Regards,
Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
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Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Software Engineer @ SUSE https://www.suse.com/

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