Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>
>>Jan Kiszka wrote:
>>
>>>Picking up the earlier discussion of CPU affinity of shadow threads,
>>>this patch now opens the possibility to assign a CPU mask on
>>>xnshadow_map. It cleans up the related nucleus code and updates all
>>>callers of xnshadow_map appropriately.
>>>
>>>Be warned, it's only tested on (q)emulated SMP. Comments and test
>>>reports on real hardware are welcome.
>>
>>It is only possible to set the affinity of a user-space thread, why
>>adding another way to do it ?
>>
>
>
> I'm not yet completely understanding what you mean.
>
> So far the affinity was indirectly assigned to some xnthread by the CPU
> the caller of xnshadow_map happened to run on. Now this is done
> explicitly, thus in a more robust way (there was an undefined path in
> the old code) and without duplicating code (/wrt skins).
I meant "already" instead of "only", it is already possible to set the
affinity of a user-space thread with sched_setaffinity.
--
Gilles Chanteperdrix
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