Re: [RFC&PATCH] Alternative RCU implementation

[Paul E. McKenney]

On Mon, Aug 30, 2004 at 11:22:49PM -0400, Jim Houston wrote:
> On Mon, 2004-08-30 at 14:52, Paul E. McKenney wrote: 
> > How does the rest of the kernel work with all interrupts to
> > a particular CPU shut off?  For example, how do you timeslice?
> 
> It's a balancing act.  In some cases we just document the
> missing functionality.  If the local timer is disabled on a cpu,
> all processes are SCHED_FIFO.  In the case of Posix timers, we
> move timers to honor the procesor shielding an the process affinity.

I have to ask...  When you say that you move the timers, you mean that
non-realtime CPU 1 managers timers for realtime CPU 0, so that CPU 1
is (effectively) taking CPU 0's timer interrupts?

							Thanx, Paul
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