linux-kernel - Re: [RFR] Store tearing

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Message-ID: <20181028231003.GA4021@andrea>
Date:   Mon, 29 Oct 2018 00:10:03 +0100
From:   Andrea Parri <andrea.parri@...rulasolutions.com>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Triplett <josh@...htriplett.org>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [RFR] Store tearing

Hopefully, with Paul's proper email address this time,

  Andrea

On Mon, Oct 29, 2018 at 12:06:27AM +0100, Andrea Parri wrote:
> Hi,
> 
> memory-barriers.txt says:
> 
>   [on "store tearing"]
> 
>   "In fact, a recent bug (since fixed) caused GCC to incorrectly use
>    this optimization in a volatile store.".
> 
> I was wondering if you could help me retrieve some reference/discussions
> about this?
> 
> Thanks,
>   Andrea