From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH 07/31] arch,arm64: Convert smp_mb__* Date: Fri, 21 Mar 2014 11:54:47 +0000 Message-ID: <20140321115447.GB14251@arm.com> References: <20140319064729.660482086@infradead.org> <20140319065204.150839038@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from fw-tnat.austin.arm.com ([217.140.110.23]:39738 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752119AbaCULzM (ORCPT ); Fri, 21 Mar 2014 07:55:12 -0400 Content-Disposition: inline In-Reply-To: <20140319065204.150839038@infradead.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, mingo@kernel.org, will.deacon@arm.com, paulmck@linux.vnet.ibm.com On Wed, Mar 19, 2014 at 07:47:36AM +0100, Peter Zijlstra wrote: > AARGH64 uses ll/sc primitives that do not imply any barriers for the > normal atomics, therefore smp_mb__{before,after} should be a full > barrier. > > Since AARGH64 doesn't use asm-generic/barrier.h, add the required > definitions to its asm/barrier.h. There is a typo above ;) Otherwise, Acked-by: Catalin Marinas