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From: "Paul E. McKenney" <paulmck@kernel.org>
To: Daniel Axtens <dja@axtens.net>
Cc: Uladzislau Rezki <urezki@gmail.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	LKML <linux-kernel@vger.kernel.org>, RCU <rcu@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Neeraj Upadhyay <neeraju@codeaurora.org>,
	Joel Fernandes <joel@joelfernandes.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Michal Hocko <mhocko@suse.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Theodore Y . Ts'o" <tytso@mit.edu>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>
Subject: Re: [PATCH 1/2] rcu-tasks: move RCU-tasks initialization out of core_initcall()
Date: Thu, 10 Dec 2020 09:32:14 -0800	[thread overview]
Message-ID: <20201210173214.GU2657@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <875z59hjau.fsf@dja-thinkpad.axtens.net>

On Fri, Dec 11, 2020 at 12:39:21AM +1100, Daniel Axtens wrote:
> Hi Vlad,
> 
> >> Initialize the RCU-tasks earlier, before *_initcall() callbacks are
> >> invoked. Do it after the workqueue subsytem is up and running. That
> >> gives us a possibility to make use of synchronize_rcu_tasks*() wait
> >> API in early_initcall() callbacks.
> >> 
> >> Fixes: 36dadef23fcc ("kprobes: Init kprobes in early_initcall")
> >> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
> 
> Tested-by: Daniel Axtens <dja@axtens.net>

I will apply on the next rebase, thank you!

							Thanx, Paul

> >> ---
> >>  include/linux/rcupdate.h |  6 ++++++
> >>  init/main.c              |  1 +
> >>  kernel/rcu/tasks.h       | 26 ++++++++++++++++++++++----
> >>  3 files changed, 29 insertions(+), 4 deletions(-)
> >> 
> > I still don't have a powerPC hw so far, even though i have sent a request
> > to the osuosl.org. It would be appreciated if Michael or Daniel could run
> > and verify it.
> 
> Sorry it's taken me so long to get to this. Your patch fixes things for
> me. Thanks!
> 
> BTW, I'm happy to see you taking on the challenge of RCU after your good
> work on vmalloc - all the best with it!
> 
> Kind regards,
> Daniel
> 
> >
> > Thank you in advance!
> >
> > --
> > Vlad Rezki

  reply	other threads:[~2020-12-10 17:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-09 20:27 [PATCH 1/2] rcu-tasks: move RCU-tasks initialization out of core_initcall() Uladzislau Rezki (Sony)
2020-12-09 20:27 ` [PATCH 2/2] rcu-tasks: add RCU-tasks self tests Uladzislau Rezki (Sony)
2020-12-16 15:49   ` Uladzislau Rezki
2020-12-16 23:29     ` Paul E. McKenney
2020-12-21 15:38       ` Uladzislau Rezki
2020-12-21 17:18         ` Paul E. McKenney
2020-12-21 18:45           ` Uladzislau Rezki
2020-12-21 19:29             ` Paul E. McKenney
2020-12-21 19:48               ` Uladzislau Rezki
2020-12-21 20:45                 ` Paul E. McKenney
2020-12-21 21:28                   ` Uladzislau Rezki
2021-02-12 19:20   ` Sebastian Andrzej Siewior
2021-02-12 21:12     ` Uladzislau Rezki
2021-02-12 23:48       ` Paul E. McKenney
2021-02-13  0:37         ` Paul E. McKenney
2021-02-13  0:43           ` Paul E. McKenney
2021-02-13 11:30             ` Uladzislau Rezki
2021-02-13 16:45               ` Paul E. McKenney
2021-02-13 20:00                 ` Uladzislau Rezki
2021-02-15 11:28                 ` Sebastian Andrzej Siewior
2021-02-16 17:30                   ` Paul E. McKenney
2021-02-17 14:47                     ` Masami Hiramatsu
2021-02-17 18:17                       ` Paul E. McKenney
2021-02-18  5:03                         ` Masami Hiramatsu
2021-02-18  8:36                           ` Uladzislau Rezki
2021-02-18 14:29                             ` Masami Hiramatsu
2020-12-09 20:37 ` [PATCH 1/2] rcu-tasks: move RCU-tasks initialization out of core_initcall() Uladzislau Rezki
2020-12-10 13:39   ` Daniel Axtens
2020-12-10 17:32     ` Paul E. McKenney [this message]
2020-12-10 18:17     ` Uladzislau Rezki
2020-12-10  3:26 ` Paul E. McKenney
2020-12-10 13:04   ` Uladzislau Rezki

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