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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v9-20020a1709063bc900b006e0f9bb2596si8839187ejf.925.2022.05.16.05.51.27; Mon, 16 May 2022 05:51:53 -0700 (PDT) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=fujitsu.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239127AbiEPBq5 (ORCPT + 99 others); Sun, 15 May 2022 21:46:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239107AbiEPBq4 (ORCPT ); Sun, 15 May 2022 21:46:56 -0400 Received: from heian.cn.fujitsu.com (mail.cn.fujitsu.com [183.91.158.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E6C7B389B; Sun, 15 May 2022 18:46:51 -0700 (PDT) IronPort-Data: =?us-ascii?q?A9a23=3AY1UVBahwIWT95TrbS51G7n3NX1619BIKZh0ujC4?= =?us-ascii?q?5NGQNrF6WrkVWzDBNXDuDMq2DMDemc9h1OYi/phwAu5+Em4BkT1Nl/3w8FHgiR?= =?us-ascii?q?ejtX4rAdhiqV8+xwmwvdGo+toNGLICowPkcFhcwnT/wdOixxZVA/fvQHOCkUra?= =?us-ascii?q?dYnkZqTJME0/NtzoywobVvaY42bBVMyvV0T/Di5W31G2NglaYAUpIg063ky6Di?= =?us-ascii?q?dyp0N8uUvPSUtgQ1LPWvyF94JvyvshdJVOgKmVfNrbSq+ouUNiEEm3lExcFUrt?= =?us-ascii?q?Jk57wdAsEX7zTIROTzHFRXsBOgDAb/mprjPl9b6FaNC+7iB3Q9zx14NFMp5yxS?= =?us-ascii?q?wYgOIXCheYcTwJFVSp5OMWq/ZeeeyTl7JTPkRSun3zEhq8G4FsNFYYY9+B4EGZ?= =?us-ascii?q?T3fgZLi0dKBmHhui/yrv9Qe5p7uwyJc/pIYVZqHF95TXYC+s2B5zOXc3i5dZR3?= =?us-ascii?q?zA2wMpTEvnTT80DYDFrYVLLZBgnElMWDo8u2eSlnH/ydxVGp1+P46k6+W7eyEp?= =?us-ascii?q?2yreFGN7UfMGaAN9Zm0+wuG3L5SL6DwscOdjZziCKmlquieDnjyL2QI9UH7TQy?= =?us-ascii?q?xLAqDV/3URKUFtPCwT9+qL/1yaDtxtkAxR80kITQWIarSRHluXAYiA=3D?= IronPort-HdrOrdr: =?us-ascii?q?A9a23=3A1YA7Q6565j8rJVOCUQPXwPTXdLJyesId70hD?= =?us-ascii?q?6qkRc20wTiX8ra2TdZsguyMc9wx6ZJhNo7G90cq7MBbhHPxOkOos1N6ZNWGIhI?= =?us-ascii?q?LCFvAB0WKN+V3dMhy73utc+IMlSKJmFeD3ZGIQse/KpCW+DPYsqePqzJyV?= X-IronPort-AV: E=Sophos;i="5.88,333,1635177600"; d="scan'208";a="124250461" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 16 May 2022 09:46:50 +0800 Received: from G08CNEXMBPEKD05.g08.fujitsu.local (unknown [10.167.33.204]) by cn.fujitsu.com (Postfix) with ESMTP id CFF234D68A22; Mon, 16 May 2022 09:46:44 +0800 (CST) Received: from G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.80) by G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Mon, 16 May 2022 09:46:45 +0800 Received: from localhost.localdomain (10.167.225.141) by G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.23 via Frontend Transport; Mon, 16 May 2022 09:46:46 +0800 From: Li Zhijian To: Yanjun Zhu , Jason Gunthorpe , "Haakon Bugge" , Cheng Xu , CC: , Li Zhijian Subject: [PATCH v3 0/2] RDMA/rxe: Fix no completion event issue Date: Mon, 16 May 2022 09:53:27 +0800 Message-ID: <20220516015329.445474-1-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-yoursite-MailScanner-ID: CFF234D68A22.AFB2E X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: lizhijian@fujitsu.com X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE 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 Since RXE always posts RDMA_WRITE successfully, it's observed that no more completion occurs after a few incorrect posts. Actually, it will block the polling. we can easily reproduce it by the below pattern. a. post correct RDMA_WRITE b. poll completion event while true { c. post incorrect RDMA_WRITE(wrong rkey for example) d. poll completion event <<<< block after 2 incorrect RDMA_WRITE posts } Li Zhijian (2): RDMA/rxe: Update wqe_index for each wqe error completion RDMA/rxe: Generate error completion for error requester QP state drivers/infiniband/sw/rxe/rxe_req.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) -- 2.31.1