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Date:   Thu, 23 May 2019 16:53:09 +0200
From:   Andrea Parri <andrea.parri@amarulasolutions.com>
To:     "Paul E. McKenney" <paulmck@linux.ibm.com>
Cc:     linux-kernel@vger.kernel.org,
        Josh Triplett <josh@joshtriplett.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Lai Jiangshan <jiangshanlai@gmail.com>,
        Joel Fernandes <joel@joelfernandes.org>, rcu@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>
Subject: Re: [RFC PATCH] rcu: Make 'rcu_assign_pointer(p, v)' of type
 'typeof(p)'
Message-ID: <20190523145309.GA18692@andrea>
References: <1558618340-17254-1-git-send-email-andrea.parri@amarulasolutions.com>
 <20190523135013.GL28207@linux.ibm.com>
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> > TBH, I'm not sure this is 'the right patch' (hence the RFC...): in
> > fact, I'm currently missing the motivations for allowing assignments
> > such as the "r0 = ..." assignment above in generic code.  (BTW, it's
> > not currently possible to use such assignments in litmus tests...)
> 
> Given that a quick (and perhaps error-prone) search of the uses of
> rcu_assign_pointer() in v5.1 didn't find a single use of the return
> value, let's please instead change the documentation and implementation
> to eliminate the return value.

Thanks for the confirmation, Paul; I'll prepare the new patch shortly...

  Andrea