Received: by 2002:a5b:505:0:0:0:0:0 with SMTP id o5csp5535940ybp; Tue, 15 Oct 2019 00:46:43 -0700 (PDT) X-Google-Smtp-Source: APXvYqxGqPk6oNF38yBe2yEcIFLYBJz2kt5exet8SgiW5Itm8X9nN1w4gcXoU02Lo+Vnysd3sRtN X-Received: by 2002:a17:906:9487:: with SMTP id t7mr32601909ejx.231.1571125603233; Tue, 15 Oct 2019 00:46:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571125603; cv=none; d=google.com; s=arc-20160816; b=hazOBoiHz1k1uv6eq7cD4w2ESTsxhS6A0v0XV2c8C0AmzXw881NNnpMrIktnSBDiC6 7hdesb1qPmKm5+kw19PR5/O6LqVhR4qjHd2ru2hEZ/rbQ9pOuXihZNxAq5M6ZZe7rM0H cko6sZtfE8ALLwdnMvBHT/Xtd/pC3vxd432El26gbks8jbZZ6ePVBLCKfn9bzfBntElC k8Dh6TSoei7aJCdWso4EgjlJpTuWxORTM7pT27YxX41x2QXCKjwjgrplwAbWJl6pWy6m MCXIBd2PgtdV1aafPXdVpGaxgxZ6PeYgmTTReI4t43J2whwCdfafmL+GrUwhXX6GiU3t v3RA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=2Hgn7iVDBV+n+q/nBUSuDJ2Mme2Wkao4IdSyE+LUxiE=; b=wDURPLs+ujVE5+MHtFzijJGVESJbqb2LNvoK7lM9SZ1zG8/OZOqi0FMcvGnlPwz5x+ NNsOXPBMY6QI6WF1ojEuDh1upa1qXF7zm+5YkzvzWQGCZYdqfKg5Max0/i/u6SsOZJA6 P0un/BGaGYwZVfR/I3SKMPtCenH0U4tB4M09ZEf8LHNRyup46Ed799F6BBbMl6W+OmNt i05WlIXjueYbxrTChcAqeFPYp0kDjeOSkGe9TAR4vmc0961T5O2TK0zGx39kkcpjI28p nrWXfPSh5LYoE2xobGhkkkaCgAkXucaOZDCaXXQvFjiC8VFf9mWrrvyIX5iC9GfCs57r wijg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=IwQ6tTgg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r19si12509501edy.409.2019.10.15.00.46.19; Tue, 15 Oct 2019 00:46:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=IwQ6tTgg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727966AbfJOHpi (ORCPT + 99 others); Tue, 15 Oct 2019 03:45:38 -0400 Received: from merlin.infradead.org ([205.233.59.134]:33518 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727451AbfJOHpi (ORCPT ); Tue, 15 Oct 2019 03:45:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=2Hgn7iVDBV+n+q/nBUSuDJ2Mme2Wkao4IdSyE+LUxiE=; b=IwQ6tTggyHqxATubsClf1JVOH Qsg2v646S3Af948s+WcM6EYBwvPYGUJ0Ceu4ZeUx3DIvU3smHQZ2DIffehy5q8jR7qp14p7Ij4MKX Yet/dmI2VoYHalcZxFiHZAre9MhepTrI94V/q1X483+jneHAJBBKShqFmWRfvEXv1/6nb402HjDw3 W/hHo6QxiRPNxC1rL4WRvouBvwp6ZbA7oyBaK+BXnOuPWasB4QuFkEL2S16TWh3VOJNgB0pB1aY6Q +ud3rq4a6BY+h6WIXLBY6qLdDFSrv5zjwxp45Jizm+O6D+3bAiyAiyCSmjdGNN2o32bW2R0PB5Z13 mfezhuHIQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKHWI-0008M7-45; Tue, 15 Oct 2019 07:45:26 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 5729B300B8D; Tue, 15 Oct 2019 09:44:28 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id B798120238A89; Tue, 15 Oct 2019 09:45:22 +0200 (CEST) Date: Tue, 15 Oct 2019 09:45:22 +0200 From: Peter Zijlstra To: Manfred Spraul Cc: LKML , Davidlohr Bueso , Waiman Long , 1vier1@web.de, Andrew Morton , Jonathan Corbet Subject: Re: [PATCH 6/6] Documentation/memory-barriers.txt: Clarify cmpxchg() Message-ID: <20191015074522.GB2311@hirez.programming.kicks-ass.net> References: <20191012054958.3624-1-manfred@colorfullife.com> <20191012054958.3624-7-manfred@colorfullife.com> <20191014130321.GG2328@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 14, 2019 at 07:49:56PM +0200, Manfred Spraul wrote: > From 61c85a56994e32ea393af9debef4cccd9cd24abd Mon Sep 17 00:00:00 2001 > From: Manfred Spraul > Date: Fri, 11 Oct 2019 10:33:26 +0200 > Subject: [PATCH] Update Documentation for _{acquire|release|relaxed}() > > When adding the _{acquire|release|relaxed}() variants of some atomic > operations, it was forgotten to update Documentation/memory_barrier.txt: > > smp_mb__{before,after}_atomic() is now indended for all RMW operations "intended" Otherwise it looks fine, thanks!