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[2620:137:e000::3:2]) by mx.google.com with ESMTPS id a14-20020a634d0e000000b005c1e70e1e5asi8598503pgb.466.2023.11.20.11.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Nov 2023 11:18:01 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=fEBfi4g6; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id DFA278098421; Mon, 20 Nov 2023 11:17:57 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229822AbjKTTRr (ORCPT + 99 others); Mon, 20 Nov 2023 14:17:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229578AbjKTTRp (ORCPT ); Mon, 20 Nov 2023 14:17:45 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E51BE9C; Mon, 20 Nov 2023 11:17:41 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E71EC433C7; Mon, 20 Nov 2023 19:17:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700507861; bh=Fv3vr/kjHZEqkRI4ksHx4P5zjJGxHwUUPir/TAi533Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=fEBfi4g6aMCmWAdb2Ha0H+ETu17ancDylb3UWYuDj3mP/fVL04ZkTuODpjOY9dmTc qT1vogF3BLKKnIudo4134BmYWC4FP1zh1Mxo63GGhEJhHL4E2WiIteiXTXgWA3jslQ XKUsdycBb6RuEPwN23kvbx6nyLs0tUPTG2qL+AjwbN6jtTG110Ov/Y3AY4V5nCPsdD 0KHvp08/K/uPKWBQD64y/vMzRGPA7+SZoF4qzGtZO04gHOYSzz0HEEayHMhxqHmLsY rFkhpGywtisTw6EfmcX3xmjlTbXaEraCIwK9dJh96ZEVrwr95shNKkTwCmxkIp6FM5 PoSjEvghxZarA== Date: Mon, 20 Nov 2023 11:17:39 -0800 From: Jakub Kicinski To: Wen Gu Cc: wintera@linux.ibm.com, wenjia@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, kgraul@linux.ibm.com, jaka@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, alibuda@linux.alibaba.com, tonylu@linux.alibaba.com, raspl@linux.ibm.com, schnelle@linux.ibm.com, linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 5/7] net/smc: compatible with 128-bits extend GID of virtual ISM device Message-ID: <20231120111739.31baf90a@kernel.org> In-Reply-To: <1700402277-93750-6-git-send-email-guwen@linux.alibaba.com> References: <1700402277-93750-1-git-send-email-guwen@linux.alibaba.com> <1700402277-93750-6-git-send-email-guwen@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Mon, 20 Nov 2023 11:17:58 -0800 (PST) On Sun, 19 Nov 2023 21:57:55 +0800 Wen Gu wrote: > According to virtual ISM support feature defined by SMCv2.1, GIDs of > virtual ISM device are UUIDs defined by RFC4122, which are 128-bits > long. So some adaptation work is required. And note that the GIDs of > existing platform firmware ISM devices still remain 64-bits long. sparse (C=1 build) complains: net/smc/smc_clc.c:944:73: warning: incorrect type in argument 1 (different base types) net/smc/smc_clc.c:944:73: expected unsigned short [usertype] chid net/smc/smc_clc.c:944:73: got restricted __be16 [usertype] chid -- pw-bot: cr