linux-kernel - Re: [PATCH v6 2/4] powerpc: atomic: Implement atomic{,64}_*_return

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Date:	Wed, 6 Jan 2016 10:07:07 +0800
From:	Boqun Feng <boqun.feng@...il.com>
To:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Will Deacon <will.deacon@....com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Waiman Long <waiman.long@...com>,
	Davidlohr Bueso <dave@...olabs.net>,
	"Michael S. Tsirkin" <mst@...hat.com>
Subject: Re: [PATCH v6 2/4] powerpc: atomic: Implement atomic{,64}_*_return_*
 variants

Hi all,

I will resend this one to avoid a potential conflict with:

http://article.gmane.org/gmane.linux.kernel/2116880

by open coding smp_lwsync() with:

__asm__ __volatile__(PPC_ACQUIRE_BARRIER "" : : : "memory");

Regards,
Boqun

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