Messages in this thread | | | Date | Tue, 31 Aug 2004 20:53:50 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [RFC&PATCH] Alternative RCU implementation |
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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?
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