SMP: Next steps
sebastian.huber at embedded-brains.de
Tue Apr 22 09:01:17 UTC 2014
On 2014-04-16 16:23, Sebastian Huber wrote:
> On 2014-04-16 16:17, Gedare Bloom wrote:
>>> > o support for a priority boost to fix priority inheritance across scheduler
>> It would also be great if this might fix
>> The bug may apply to SMP scheduling, but I have not thought that hard about it.
> It is not related to this bug. What I want to address is described in "The
> limits of priority inheritance", page 125, Björn B. Brandenburg, Scheduling and
> Locking in Multiprocessor Real-Time Operating Systems, 2011.
After some more research I think that priority boosting is a very bad solution.
I will now try to implement Migratory Priority Inheritance:
This will be a bit difficult though, since now a thread may be temporarily
assigned to multiple schedulers.
Sebastian Huber, embedded brains GmbH
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