linux-kernel - Re: [PATCH 10/10] rcu: Nocb (de)activate through sysfs

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Message-ID: <20200513232312.GD18303@lenoir>
Date:   Thu, 14 May 2020 01:23:13 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Josh Triplett <josh@...htriplett.org>
Subject: Re: [PATCH 10/10] rcu: Nocb (de)activate through sysfs

On Wed, May 13, 2020 at 11:42:29AM -0700, Paul E. McKenney wrote:
> On Wed, May 13, 2020 at 06:47:14PM +0200, Frederic Weisbecker wrote:
> > Not for merge.
> > 
> > Make nocb toggable for a given CPU using:
> > 	/sys/devices/system/cpu/cpu*/hotplug/nocb
> > 
> > This is only intended for those who want to test this patchset. The real
> > interfaces will be cpuset/isolation and rcutorture.
> 
> Makes sense!
> 
> Speaking of rcutorture, what level of testing has this series undergone?

None yet, that first set was to shape up the design. But next
iteration should see rcutorture coverage.