Re: [PATCH -tip V3 0/8] workqueue: break affinity initiatively

From: Peter Zijlstra
Date: Fri Jan 15 2021 - 04:14:07 EST


On Tue, Jan 12, 2021 at 03:53:24PM -0800, Paul E. McKenney wrote:
> An SRCU-P run on the new series reproduced the warning below. Repeat-by:
>
> tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 10 --configs "112*SRCU-P" --bootargs "rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 rcutree.softirq=0" --trust-make

Lemme go wake up an EX ;-)

Anyway, I've folded my patch:

https://lkml.kernel.org/r/YABknAqDe4h35+GY@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

back into the series, so be found here:

git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/urgent

and will start testing on that while I continue to ponder the rescuer
mysteries.