From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Henderson Subject: Re: [PATCH v2 05/18] alpha: io: implement relaxed accessor macros for writes Date: Thu, 22 May 2014 11:15:35 -0700 Message-ID: <537E3EC7.1030904@twiddle.net> References: <1400777250-17335-1-git-send-email-will.deacon@arm.com> <1400777250-17335-6-git-send-email-will.deacon@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qc0-f172.google.com ([209.85.216.172]:34418 "EHLO mail-qc0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750870AbaEVSPl (ORCPT ); Thu, 22 May 2014 14:15:41 -0400 In-Reply-To: <1400777250-17335-6-git-send-email-will.deacon@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Will Deacon , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, monstr@monstr.eu, dhowells@redhat.com, broonie@linaro.org, benh@kernel.crashing.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, Ivan Kokshaysky , Matt Turner On 05/22/2014 09:47 AM, Will Deacon wrote: > write{b,w,l,q}_relaxed are implemented by some architectures in order to > permit memory-mapped I/O writes with weaker barrier semantics than the > non-relaxed variants. > > This patch implements these write macros for Alpha, in the same vein as > the relaxed read macros, which are already implemented. > > Cc: Richard Henderson > Cc: Ivan Kokshaysky > Cc: Matt Turner > Signed-off-by: Will Deacon > --- > arch/alpha/include/asm/io.h | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) Acked-by: Richard Henderson r~