Node vs Threads in scheduling

[Richi Dubey]

Thank you.

On Tue, Aug 18, 2020 at 5:29 PM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 17/08/2020 14:35, Richi Dubey wrote:
>
> > Also, can someone please explain how the thread could in the ready
> > state while the node is in a scheduled state in this
> > <
> https://git.rtems.org/rtems/tree/cpukit/include/rtems/score/schedulersmpimpl.h#n1517>
>
> > conditional block ?
>
> The MrsP locking protocol performs busy waiting will a thread is
> blocked. The busy waiting is carried out by idle threads.
>
> In the referenced conditional block, the thread is ready to execute
> again and its scheduler node is scheduled. In this case, it uses an idle
> thread to perform the busy wait. So, we have to get rid of the idle
> thread and use the node for its own thread.
>
>
>
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