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McKenney" Cc: Thomas Gleixner , Lai Jiangshan , linux-kernel@vger.kernel.org, Valentin Schneider , Qian Cai , Vincent Donnefort , Dexuan Cui , Lai Jiangshan , Vincent Guittot , Steven Rostedt Subject: Re: [PATCH -tip V3 0/8] workqueue: break affinity initiatively Message-ID: References: <20201226025117.2770-1-jiangshanlai@gmail.com> <87o8hv7pnd.fsf@nanos.tec.linutronix.de> <20210111180907.GE2743@paulmck-ThinkPad-P72> <20210111215052.GA19589@paulmck-ThinkPad-P72> <20210112171411.GA22823@paulmck-ThinkPad-P72> <20210112235324.GA17895@paulmck-ThinkPad-P72> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210112235324.GA17895@paulmck-ThinkPad-P72> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@hirez.programming.kicks-ass.net 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.