Re: smp_read_barrier_depends() into READ_ONCE()

[Yubin Ruan <ablacktshirt@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