2009-07-16 19:19:15

by James H. Anderson

[permalink] [raw]
Subject: Re: [Fwd: Re: RFC for a new Scheduling policy/class in the Linux-kernel]


Hi Raj,

On Thu, 16 Jul 2009, Raj Rajkumar wrote:

> non-preemptive critical section. In addition, we could allow mutexes
> to either pick basic priority inheritance (desirable for local mutexes?)
> or the priority ceiling version (desirable for global mutexes shared
> across processors/cores).

This discussion when I entered it was about using global scheduling
in Linux (not partitioning), so that's what I thought the focus of the
discussion was. What's the definition of a local mutex in that case?
And how do you use ceilings under global scheduling?

Thanks.

-Jim