Re: [uml-devel] UML hangs with hrtimer test module

[Richard W. <ri...@no...>]

Am Mittwoch, 28. März 2018, 15:11:29 CEST schrieb Geert Uytterhoeven:
> On Wed, Mar 28, 2018 at 12:28 PM, Joel Fernandes <agn...@gm...> 
wrote:
> >         while(release_now == 0);
> 
> while (release_now == 0)
>         cpu_relax();

Not sure whether a cpu_relax() fixes the problem.
I guess the root of the problem is that UML is UP and non-preemptive. 
Therefore the loop is never interrupted.
To verify I asked for the full source.

Thanks,
//richard