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[147.75.199.223]) by mx.google.com with ESMTPS id br9-20020a05620a460900b0078d78445669si1890325qkb.505.2024.05.02.13.02.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 May 2024 13:02:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-166878-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linux.org.uk header.s=zeniv-20220401 header.b="I/dHtSPd"; arc=fail (body hash mismatch); spf=pass (google.com: domain of linux-kernel+bounces-166878-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-166878-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=zeniv.linux.org.uk Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 780561C22313 for ; Thu, 2 May 2024 20:02:08 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 317F117F392; Thu, 2 May 2024 20:02:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="I/dHtSPd" Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F388017333B; Thu, 2 May 2024 20:01:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714680119; cv=none; b=B4j9PDtjjojKb1gXGgh/YDj+Khs0p8ROILsRTLiVFeZLl4G9VtC4v8q5wRssF4iaFhZzetKMsunZxJk636+4sDrEfC9SmdAqd7geNvAW1WF3fMh3ektN3gQ7fqX31UU2HjTmbfLdpUGTtcBC23saeVLaanq7egBa+zX4D2o5cvM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714680119; c=relaxed/simple; bh=cns1XvQCJNXaVm0DDz0wgIIDmDGGc7d0RGxe5VrtVaY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NPim8naSOPVr0ZTNCK4z7Jro7LlUkRX4mCR2h0MwcqWQqxTT8j9V08EtsmSEHv+kUAV57TU4DZujSlr5lhOx+4OirmmTcIAiQKdMxyY0wcyOYYtbYeqjfzo0M8aR5v0mj85v2sEuc0nasZTjYRLIsXPGj9xD0xfylpigJb9stXY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=I/dHtSPd; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=KAJKrCaKKiEnCrHucvHJ9CHtLAzdjNiKdzAYMK92RUo=; b=I/dHtSPdKkAeD5bKJa1S8qSIvG 6qxa2N7rH++FKfP7iGmsN1/nYs9CMqh1GIDjbYivZzySag/Jw9MUt1O6/T/yif1MgEK1DT0cgrS2o c4pPbn4fq7tRxNulTGlfw81STx8p1hrrv3dtwuW/jTP3NtwFq8LxheEAZWrNYq6Ue6gjkFIeR/ySG kKZwm2Ihjhj8MkU2HhSk1c3+fWZY4Lhj4FU/UZLHopFrhR9B37nTWg/jEqhWhQe8xQh1MgW9j89Mw mQoaxoXzrHmm99JAgR65yx971fYObzfY1ZRtBM1cx6Val6bZNIs6U2UvkKEhcxsyCQ0g+55kxWpgF G2idCUYg==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.96 #2 (Red Hat Linux)) id 1s2ccr-009hjC-0p; Thu, 02 May 2024 20:01:53 +0000 Date: Thu, 2 May 2024 21:01:53 +0100 From: Al Viro To: "Paul E. McKenney" Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, elver@google.com, akpm@linux-foundation.org, tglx@linutronix.de, peterz@infradead.org, dianders@chromium.org, pmladek@suse.com, torvalds@linux-foundation.org, Arnd Bergmann Subject: Re: [PATCH v2 cmpxchg 0/8] Provide emulation for one--byte cmpxchg() Message-ID: <20240502200153.GJ2118490@ZenIV> References: <31c82dcc-e203-48a9-aadd-f2fcd57d94c1@paulmck-laptop> <7b3646e0-667c-48e2-8f09-e493c43c30cb@paulmck-laptop> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Al Viro On Wed, May 01, 2024 at 03:58:14PM -0700, Paul E. McKenney wrote: > Hello! > > This v2 series provides emulation functions for one-byte cmpxchg, ^^ .. > Changes since v2: ^^