Locking ReadyQueue in SMP
Sree Harsha Konduri
sreehars at buffalo.edu
Sat Sep 14 16:25:14 UTC 2013
I've been working closely with Gedare over the summer and with his help, I
have a working G-EDF scheduler running now. I will send out the patches on
the devel list pretty soon, once I verify the operations of the scheduler.
On Sat, Sep 14, 2013 at 12:06 PM, Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:
> On 2013-09-14 17:51, Sree Harsha Konduri wrote:
>> I am working on the globaledf scheduler and need to lock the ready queue.
>> I've implemented the locking using CPU_SMP_lock_Control data structure in
> Since we currently have only the Giant lock it is unnecessary to use other
> locking mechanisms. The introduction of fine grained locking will be a
> major task.
> For a G-EDF scheduler please have a look at:
> If you use this framework it should be pretty easy to implement a G-EDF
> scheduler. You only have to replace the priority queue with the red-black
> tree operations.
> I just want to make sure that locking in such way will ensure mutual
>> exclusion to operations of the ready queue.
> Sebastian Huber, embedded brains GmbH
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone : +49 89 189 47 41-16
> Fax : +49 89 189 47 41-09
> E-Mail : sebastian.huber at embedded-**brains.de<sebastian.huber at embedded-brains.de>
> PGP : Public key available on request.
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
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