linux-kernel - Re: rcu_read_lock lost its compiler barrier

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Date:   Thu, 6 Jun 2019 17:32:27 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Andrea Parri <andrea.parri@...rulasolutions.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Fengguang Wu <fengguang.wu@...el.com>, LKP <lkp@...org>,
        LKML <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: rcu_read_lock lost its compiler barrier

On Thu, Jun 06, 2019 at 10:38:56AM +0200, Andrea Parri wrote:
> On Mon, Jun 03, 2019 at 10:46:40AM +0800, Herbert Xu wrote:
> 
> > The case we were discussing is from net/ipv4/inet_fragment.c from
> > the net-next tree:
> 
> BTW, thank you for keeping me and other people who intervened in that
> discussion in Cc:...

FWIW I didn't drop you from the Cc list.  The email discussion was
taken off-list by someone else and I simply kept that Cc list when
I brought it back onto lkml.  On a second look I did end up dropping
Eric but I think he's had enough of this discussion :)
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt