linux-kernel - Re: [PATCH 1/2] rcu-tasks: move RCU-tasks initialization out of core

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Message-ID: <20201210130439.GA1883@pc638.lan>
Date:   Thu, 10 Dec 2020 14:04:39 +0100
From:   Uladzislau Rezki <urezki@...il.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     "Uladzislau Rezki (Sony)" <urezki@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Axtens <dja@...ens.net>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <neeraju@...eaurora.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Michal Hocko <mhocko@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Theodore Y . Ts'o" <tytso@....edu>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>
Subject: Re: [PATCH 1/2] rcu-tasks: move RCU-tasks initialization out of
 core_initcall()

On Wed, Dec 09, 2020 at 07:26:13PM -0800, Paul E. McKenney wrote:
> On Wed, Dec 09, 2020 at 09:27:31PM +0100, Uladzislau Rezki (Sony) wrote:
> > 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@...il.com>
> 
> Thank you!  I have queued both with the usual editing, so please
> check and let me know if I messed something up.
> 
Thanks! 

Will have a look at editing.

--
Vlad Rezki