Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp8040270rwb; Tue, 13 Dec 2022 01:03:17 -0800 (PST) X-Google-Smtp-Source: AA0mqf7R57e3+MIXDK5lpVHnctxRPehtf3WxiWr7E1yJu/X9kIHBluwam89gWOP/knETZKabQArM X-Received: by 2002:a17:906:fd52:b0:7c0:d452:2e74 with SMTP id wi18-20020a170906fd5200b007c0d4522e74mr13207876ejb.4.1670922197691; Tue, 13 Dec 2022 01:03:17 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670922197; cv=none; d=google.com; s=arc-20160816; b=PuauNfuCPWr2LWsc9oKlajcCbejG8BqPAeh+xrNuSqp6zuDKQB0+b+V6FWUiB0L+84 FkwM3MCjUqdTS3J0FNVTuLtYazwTtK8XCcE15XbGmajtaVJovcx6r0YtkPLkRUUEj0bH 5EOt/Tz7ZkXdr61scNOUNsOBB5RtDJqNcuhyNQzc6XhhsCcz6mnpp8Rgbkn+ZOysJL0X 825m6nMvaYbX+3WE4awkCYpN/LDSa8PW5HVClDD8G/x0GSA20/pC9TFaYTg2ExulThVG HaUH3OWllKNDN7IHQ9tBd4rxu0KAL1pkFdQObmCdz9bRvfCY8stZhMgoqV5JfSNviCOt 3+3w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=gHqCaJT/XobKPd9RqoT3ethV1ivwYlf0x+p5SBgDRS0=; b=dWRoDEAT33U7UKSlC56KaSzie+wAbJLeORIDHltVpe0eBoqxxUJc6+l2IywPT9E/v4 JHiA93VTrnIzgYd3TxiRMCVFiI7VajOl1RKBR8WcRD1wjr60zKEqI2HCOCgNPz9eM1zx KtYtpcJMJn7cZzizGY/srbTFuVi4l2XcdFw1jUqlhoOw9wMipNO/L3TwKtrL6Kj/eqk6 K37CcsuDDCy34aHbHaPGhv+IN78t4Xj9HJyFNANvap6k02IZ53Mf9XYXTrzDCPvaK3MA O/EM9P/8gng7wbLXcgjGmZmAE4H2gt2y9Zf2589HoVWgHbj5VhrkVlCq3Gq2cpAjdVaM r5wQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ww2-20020a170907084200b007ae37a89b5bsi7273808ejb.601.2022.12.13.01.02.46; Tue, 13 Dec 2022 01:03:17 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234814AbiLMIvk (ORCPT + 74 others); Tue, 13 Dec 2022 03:51:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234825AbiLMIvL (ORCPT ); Tue, 13 Dec 2022 03:51:11 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B53342192 for ; Tue, 13 Dec 2022 00:51:09 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 0458D68D06; Tue, 13 Dec 2022 09:50:59 +0100 (CET) Date: Tue, 13 Dec 2022 09:50:57 +0100 From: Christoph Hellwig To: Klaus Jensen Cc: linux-nvme@lists.infradead.org, Christoph Hellwig , Keith Busch , Jens Axboe , Sagi Grimberg , linux-kernel@vger.kernel.org, Klaus Jensen , Guenter Roeck Subject: Re: [PATCH] nvme-pci: fix doorbell buffer value endianness Message-ID: <20221213085057.GA3998@lst.de> References: <20221212150243.41283-1-its@irrelevant.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221212150243.41283-1-its@irrelevant.dk> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 12, 2022 at 04:02:43PM +0100, Klaus Jensen wrote: > - old_value = *dbbuf_db; > - *dbbuf_db = value; > + old_value = le32_to_cpu(*dbbuf_db); > + *dbbuf_db = cpu_to_le32(value); As the buildbot noticed, this now means dbbuf_dbs needs to be a __le32, and the endianess annoations will have to wee through quite a few places.