linux-kernel - Re: [PATCH tip/core/rcu 27/41] percpu-refcount: Replace call_rcu_sched() with call

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Date:   Tue, 13 Nov 2018 07:48:25 -0800
From:   Tejun Heo <tj@...nel.org>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org,
        Ming Lei <ming.lei@...hat.com>,
        Bart Van Assche <bvanassche@....org>,
        Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH tip/core/rcu 27/41] percpu-refcount: Replace
 call_rcu_sched() with call_rcu()

On Sun, Nov 11, 2018 at 11:43:56AM -0800, Paul E. McKenney wrote:
> Now that call_rcu()'s callback is not invoked until after all
> preempt-disable regions of code have completed (in addition to explicitly
> marked RCU read-side critical sections), call_rcu() can be used in place
> of call_rcu_sched().  This commit therefore makes that change.
> 
> Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Ming Lei <ming.lei@...hat.com>
> Cc: Bart Van Assche <bvanassche@....org>
> Cc: Jens Axboe <axboe@...nel.dk>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun