linux-kernel - Re: [RESEND, tip/locking/core, v5, 1/6] powerpc: atomic: Make _return atomics and *{cmp}xchg fully ordered

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Message-ID: <20151104101518.GB5405@arm.com>
Date:	Wed, 4 Nov 2015 10:15:19 +0000
From:	Will Deacon <will.deacon@....com>
To:	Boqun Feng <boqun.feng@...il.com>
Cc:	Michael Ellerman <mpe@...erman.id.au>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Waiman Long <waiman.long@...com>,
	Davidlohr Bueso <dave@...olabs.net>, stable@...r.kernel.org,
	Paul Mackerras <paulus@...ba.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [RESEND, tip/locking/core, v5, 1/6] powerpc: atomic: Make
 _return atomics and *{cmp}xchg fully ordered

On Wed, Nov 04, 2015 at 09:22:13AM +0800, Boqun Feng wrote:
> Will, AFAIK, you are currently working on variants on arm64, right? I
> wonder whether you depend on patch 3 (allow archictures to provide
> self-defined __atomic_op_*), if so I can also send patch 3 as a patch
> for tip tree and wait until it merged into powerpc next to send the
> rest. 

The arm64 patches are all queued in the arm64 tree and have been sitting
in -next for a while. They don't dependent on anything else.

Will
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