Re: [PATCH 13/32] nohz: Adaptive tick stop and restart on nohz cpuset

Peter Zijlstra
2011-08-30T12:44:41Z

On Mon, 2011-08-29 at 20:28 +0200, Frederic Weisbecker wrote:
> tick_nohz_stop_sched_tick() checks that
> with {rcu,printk,arch}_needs_cpu() and restores a periodic behaviour
> until nobody else needs the CPU.

tick_nohz_stop_sched_tick() should not restore stuff, it should at worst
fail to stop but never enable that's just weird.