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SubjectRe: [PATCH tip/core/rcu 2/3] srcu: Force full grace-period ordering

* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:

> > [sounds of rummaging around in the Git tree]
> >
> > I found this commit of yours from ancient history (more than a year ago!):
> >
> > commit 12d560f4ea87030667438a169912380be00cea4b
> > Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> > Date: Tue Jul 14 18:35:23 2015 -0700
> >
> > rcu,locking: Privatize smp_mb__after_unlock_lock()
> >
> > RCU is the only thing that uses smp_mb__after_unlock_lock(), and is
> > likely the only thing that ever will use it, so this commit makes this
> > macro private to RCU.
> >
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> > Cc: Will Deacon <will.deacon@arm.com>
> > Cc: Peter Zijlstra <peterz@infradead.org>
> > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> > Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>
> >
> > So I concur and I'm fine with your patch - or with the status quo code as well.
>
> I already have the patch queued, so how about I keep it if I get an ack
> from the powerpc guys and drop it otherwise?

Yeah, sounds good! Your patch made me look up 'RelAcq' so it has documentation
value as well ;-)

Thanks,

Ingo

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