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Date:   Thu, 6 Jun 2019 12:51:09 +0800
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Alan Stern <stern@rowland.harvard.edu>
Cc:     "Paul E. McKenney" <paulmck@linux.ibm.com>,
        Boqun Feng <boqun.feng@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Fengguang Wu <fengguang.wu@intel.com>, LKP <lkp@01.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Netdev <netdev@vger.kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Andrea Parri <andrea.parri@amarulasolutions.com>,
        Luc Maranget <luc.maranget@inria.fr>,
        Jade Alglave <j.alglave@ucl.ac.uk>
Subject: Re: rcu_read_lock lost its compiler barrier
Message-ID: <20190606045109.zjfxxbkzq4wb64bj@gondor.apana.org.au>
References: <20190603200301.GM28207@linux.ibm.com>
 <Pine.LNX.4.44L0.1906041026570.1731-100000@iolanthe.rowland.org>
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On Tue, Jun 04, 2019 at 10:44:18AM -0400, Alan Stern wrote:
>
> Currently the LKMM says the test is allowed and there is a data race, 
> but this answer clearly is wrong since it would violate the RCU 
> guarantee.

Thank you! This is what I tried to say all along in this thread
but you expressed it in a much better way :)
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
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