From: Yubin Ruan <ablacktshirt@gmail.com>
To: Akira Yokosawa <akiyks@gmail.com>
Cc: perfbook@vger.kernel.org
Subject: Re: smp_read_barrier_depends() into READ_ONCE()
Date: Sun, 4 Mar 2018 13:16:28 +0800 [thread overview]
Message-ID: <20180304051628.GA19219@HP> (raw)
In-Reply-To: <145d7558-f970-5740-a831-89db9edee764@gmail.com>
On Sun, Mar 04, 2018 at 12:43:07PM +0900, Akira Yokosawa wrote:
> On 2018/03/04 12:11:14 +0900, Akira Yokosawa wrote:
> > 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()").
>
> FWIW, it was cherry-picked into x86-pti branch as commit c2bc66082e10, which was
> also merged in merge-commit f8940a0f20eb ("Merge branch 'WIP.x86-pti.base-for-linus'
> of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip").
Thanks Akira ;-)
Yubin
prev parent reply other threads:[~2018-03-04 5:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-04 2:13 smp_read_barrier_depends() into READ_ONCE() Yubin Ruan
2018-03-04 3:11 ` Akira Yokosawa
2018-03-04 3:43 ` Akira Yokosawa
2018-03-04 5:16 ` Yubin Ruan [this message]
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