Re: [PATCH tip/core/rcu 06/22] rcu: Rename cond_resched_rcu_qs() to cond_resched_tasks_rcu_qs()

[Peter Zijlstra]

On Sun, Apr 22, 2018 at 07:32:11PM -0700, Paul E. McKenney wrote:
> Commit e31d28b6ab8f ("trace: Eliminate cond_resched_rcu_qs() in favor
> of cond_resched()") substituted cond_resched() for the earlier call
> to cond_resched_rcu_qs().  However, the new-age cond_resched() does
> not do anything to help RCU-tasks grace periods because (1) RCU-tasks
> is only enabled when CONFIG_PREEMPT=y and (2) cond_resched() is a
> complete no-op when preemption is enabled.  This situation results
> in hangs when running the trace benchmarks.

But a few patches earlier you tried to address that..