From: Valentin Schneider <valentin.schneider@arm.com>
To: Peter Zijlstra <peterz@infradead.org>,
mingo@kernel.org, tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org, jiangshanlai@gmail.com,
cai@redhat.com, vincent.donnefort@arm.com, decui@microsoft.com,
paulmck@kernel.org, vincent.guittot@linaro.org,
rostedt@goodmis.org, tj@kernel.org, peterz@infradead.org
Subject: Re: [PATCH -v3 0/9] sched: Fix hot-unplug regression
Date: Thu, 21 Jan 2021 14:36:38 +0000 [thread overview]
Message-ID: <jhj5z3qmk5l.mognet@arm.com> (raw)
In-Reply-To: <20210121101702.402798862@infradead.org>
On 21/01/21 11:17, Peter Zijlstra wrote:
> Hi,
>
> Some cautious optimism lets me post v3 of these patches. They (knock on wood)
> fix the regression introduced by commit:
>
> 1cf12e08bc4d ("sched/hotplug: Consolidate task migration on CPU unplug")
>
> These patches survived overnight runs for both me and Valentin, but I'll let it
> run for at least another 12 hours before committing these patches.
>
> New in this version is patch #7.
>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
And, providing the tests keep sailing smoothly:
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
> Much thanks to Valentin for his continued support and debugging efforts.
Happy to ~get headaches~ help!
next prev parent reply other threads:[~2021-01-21 14:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 10:17 Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 1/9] sched/core: Print out straggler tasks in sched_cpu_dying() Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 2/9] workqueue: Use cpu_possible_mask instead of cpu_active_mask to break affinity Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 3/9] sched: Dont run cpu-online with balance_push() enabled Peter Zijlstra
2021-01-21 14:00 ` Valentin Schneider
2021-01-21 14:14 ` Peter Zijlstra
2021-01-22 17:41 ` [tip: sched/urgent] sched: Don't " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 4/9] kthread: Extract KTHREAD_IS_PER_CPU Peter Zijlstra
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 5/9] workqueue: Tag bound workers with KTHREAD_IS_PER_CPU Peter Zijlstra
2021-01-21 14:31 ` Valentin Schneider
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 6/9] workqueue: Restrict affinity change to rescuer Peter Zijlstra
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 7/9] sched: Prepare to use balance_push in ttwu() Peter Zijlstra
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 8/9] sched: Fix CPU hotplug / tighten is_per_cpu_kthread() Peter Zijlstra
2021-01-21 14:01 ` Valentin Schneider
2021-01-21 14:18 ` Peter Zijlstra
2021-01-21 14:36 ` Valentin Schneider
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 10:17 ` [PATCH -v3 9/9] sched: Relax the set_cpus_allowed_ptr() semantics Peter Zijlstra
2021-01-22 17:41 ` [tip: sched/urgent] " tip-bot2 for Peter Zijlstra
2021-01-21 14:36 ` Valentin Schneider [this message]
2021-01-21 19:56 ` [PATCH -v3 0/9] sched: Fix hot-unplug regression Paul E. McKenney
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