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Date:   Sun, 6 May 2018 14:11:29 +0200
From:   Ingo Molnar <mingo@kernel.org>
To:     Boqun Feng <boqun.feng@gmail.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Mark Rutland <mark.rutland@arm.com>,
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        aryabinin@virtuozzo.com, catalin.marinas@arm.com,
        dvyukov@google.com, will.deacon@arm.com
Subject: Re: [PATCH] locking/atomics/powerpc: Move cmpxchg helpers to
 asm/cmpxchg.h and define the full set of cmpxchg APIs
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* Boqun Feng <boqun.feng@gmail.com> wrote:

> > The only change I made beyond a trivial build fix is that I also added the release 
> > atomics variants explicitly:
> > 
> > +#define atomic_cmpxchg_release(v, o, n) \
> > +	cmpxchg_release(&((v)->counter), (o), (n))
> > +#define atomic64_cmpxchg_release(v, o, n) \
> > +	cmpxchg_release(&((v)->counter), (o), (n))
> > 
> > It has passed a PowerPC cross-build test here, but no runtime tests.
> > 
> 
> Do you have the commit at any branch in tip tree? I could pull it and
> cross-build and check the assembly code of lib/atomic64_test.c, that way
> I could verify whether we mess something up.
> 
> > Does this patch look good to you?
> > 
> 
> Yep!

Great - I have pushed the commits out into the locking tree, they can be found in:

  git fetch git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core

The PowerPC preparatory commit from you is:

  0476a632cb3a: locking/atomics/powerpc: Move cmpxchg helpers to asm/cmpxchg.h and define the full set of cmpxchg APIs

Thanks,

	Ingo