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Subject: Re: smp_read_barrier_depends() into READ_ONCE()
References: <20180304021305.GA4449@HP>
From: Akira Yokosawa <akiyks@gmail.com>
Message-ID: <da538fa2-dd74-88ab-e302-429de922145c@gmail.com>
Date: Sun, 4 Mar 2018 12:11:14 +0900
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In-Reply-To: <20180304021305.GA4449@HP>
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To: Yubin Ruan <ablacktshirt@gmail.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: perfbook@vger.kernel.org, Akira Yokosawa <akiyks@gmail.com>
List-ID: <perfbook.vger.kernel.org>

On 2018/03/04 10:13:05 +0800, Yubin Ruan wrote:
> Hi paul,
> 
> Please provide the commit link/hash for the changes of
> smp_read_barrier_depends() in the kernel. I remember that it was post by Akira
> once on the mailing list, but not sure I can get the right one.
> 
> Thanks,
> Yubin
> 

Hi Yubin,

It's 76ebbe78f739 ("locking/barriers: Add implicit smp_read_barrier_depends() to
READ_ONCE()").

        Thanks, Akira