From: Jiri Slaby <jirislaby@kernel.org>
To: Boqun Feng <boqun@kernel.org>,
Thorsten Leemhuis <regressions@leemhuis.info>
Cc: paulmck@kernel.org, Uladzislau Rezki <urezki@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>,
Joel Fernandes <joelagnelf@nvidia.com>, RCU <rcu@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>,
Frederic Weisbecker <frederic@kernel.org>,
Samir <samir@linux.ibm.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>,
Tejun Heo <tj@kernel.org>,
Linux kernel regressions list <regressions@lists.linux.dev>
Subject: Re: [PATCH -next v1 05/12] srcu: Don't queue workqueue handlers to never-online CPUs
Date: Tue, 19 May 2026 06:52:07 +0200 [thread overview]
Message-ID: <dc492675-2323-4acb-a6e7-da75a0c2f208@kernel.org> (raw)
In-Reply-To: <ags6ug97zNR6Fiiw@tardis.local>
On 18. 05. 26, 18:13, Boqun Feng wrote:
>>>> I assume it will be picked to stable
>>
>> Thx for the reply. This answered the second aspect I raised. What about
>> the first: shouldn't this be heading to mainline this cycle, ideally
>> quite soon? Or is this the plan and I misinterpreted the "-next" in the
>> subject?
>>
>> Sadly Jiri (now CCed) afaics didn't yet report if this fix helped to fix
>> the issues they were seeing, but it sounded a lot like it was likely:
>> https://lore.kernel.org/all/f0351414-41af-4f74-899c-87fb5bb45621@kernel.org/
Yes, it did!
You could have checked the linked bug, BTW:
https://bugzilla.suse.com/show_bug.cgi?id=1263947#c19
> works nicely without complaining about non-existant CPUs
and:
> seems stopped messages about workqueue lockup and not exist CPUs at
kernel 7.0.7-1-default now
But:
> FYI the power8 machine hangs using 7.0.7-2.gf1d450c-default, to be
investigated.
That's likely not related.
thanks,
--
js
suse labs
next prev parent reply other threads:[~2026-05-19 4:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 17:54 [PATCH -next v1 00/12] Candidate patches for the v7.2 merge window Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 01/12] rcutorture: Fully test lazy RCU Uladzislau Rezki (Sony)
2026-05-14 13:33 ` Z qiang
2026-05-17 12:40 ` Uladzislau Rezki
2026-05-17 18:30 ` Paul E. McKenney
2026-05-18 15:36 ` Uladzislau Rezki
2026-05-19 0:38 ` Paul E. McKenney
2026-05-19 16:04 ` Uladzislau Rezki
2026-05-11 17:54 ` [PATCH -next v1 02/12] torture: Add torture_sched_set_normal() for user-specified nice values Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 03/12] torture: Improve kvm-series.sh header comment Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 04/12] torture: Allow "norm" abbreviation for "normal" Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 05/12] srcu: Don't queue workqueue handlers to never-online CPUs Uladzislau Rezki (Sony)
2026-05-13 10:38 ` Thorsten Leemhuis
2026-05-17 12:47 ` Uladzislau Rezki
2026-05-17 18:03 ` Paul E. McKenney
2026-05-17 19:11 ` Thorsten Leemhuis
2026-05-18 16:13 ` Boqun Feng
2026-05-18 17:05 ` Uladzislau Rezki
2026-05-18 19:30 ` Boqun Feng
2026-05-19 13:19 ` Uladzislau Rezki
2026-05-19 4:52 ` Jiri Slaby [this message]
2026-05-11 17:54 ` [PATCH -next v1 06/12] srcu: Fix kerneldoc header comment typo in srcu_down_read_fast() Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 07/12] checkpatch: Undeprecate rcu_read_lock_trace() and rcu_read_unlock_trace() Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 08/12] rcu: Simplify rcu_do_batch() by applying clamp() Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 09/12] rcu: Simplify param_set_next_fqs_jiffies() by applying clamp_val() Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 10/12] rcu: Document rcu_access_pointer() feeding into cmpxchg() Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 11/12] rcu: Latch normal synchronize_rcu() path on flood Uladzislau Rezki (Sony)
2026-05-11 17:54 ` [PATCH -next v1 12/12] rcu-tasks: Fix possible boot-time tests failed for the call_rcu_tasks() Uladzislau Rezki (Sony)
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