From patchwork Tue Dec 26 11:25:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 10133015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 646B760388 for ; Tue, 26 Dec 2017 10:55:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5D52F2E450 for ; Tue, 26 Dec 2017 10:55:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5268F2E480; Tue, 26 Dec 2017 10:55:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 042932E450 for ; Tue, 26 Dec 2017 10:55:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750805AbdLZKzp (ORCPT ); Tue, 26 Dec 2017 05:55:45 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2790 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750800AbdLZKzn (ORCPT ); Tue, 26 Dec 2017 05:55:43 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 3FE26DFA9F1A0; Tue, 26 Dec 2017 18:55:30 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.361.1; Tue, 26 Dec 2017 18:55:21 +0800 From: Lijun Ou To: , CC: , , Subject: [PATCH V2 for-next 6/6] RDMA/hns: Assign dest_qp when deregistering mr Date: Tue, 26 Dec 2017 19:25:14 +0800 Message-ID: <1514287514-88723-7-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1514287514-88723-1-git-send-email-oulijun@huawei.com> References: <1514287514-88723-1-git-send-email-oulijun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It needs to create eight reserve QPs for resolving a bug of hip06. When deregistering mr, it will issue a rdma write for every reserve QPs. In the above process, it needs to assign dest_qp. Otherwise, it will trigger free mr work fail. Signed-off-by: Lijun Ou --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 6100ace..490a1fc 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -775,6 +775,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) goto create_lp_qp_failed; } + attr_mask |= IB_QP_DEST_QPN; ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask, IB_QPS_INIT, IB_QPS_RTR); if (ret) {