From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC1C3C432C0 for ; Tue, 3 Dec 2019 22:57:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B76452053B for ; Tue, 3 Dec 2019 22:57:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575413847; bh=6l1wOmolfxD+j5KIMvG2dSSOaGeCOOsN1zc9qmVWZzI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sjA6dTwoENxMV+MbdFBBnLrWkG/MddCYsNEaJfQv6/xQsmTcZHulS8d1n3YTKoZGn UG89Yl50doOlCjNrY99VCU/qib+cTxM0O6TiytWslXHdlIcmI+cth56PwSeX6aW/JW Cex/zjJDyrPN1QUcOVCrw7g3npTPrPVHuPGa3dx0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730536AbfLCW50 (ORCPT ); Tue, 3 Dec 2019 17:57:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:52992 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729260AbfLCW5X (ORCPT ); Tue, 3 Dec 2019 17:57:23 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4678B20803; Tue, 3 Dec 2019 22:57:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575413842; bh=6l1wOmolfxD+j5KIMvG2dSSOaGeCOOsN1zc9qmVWZzI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SLTrLfQ71lOQsViVlt+YdEhye4RjsPnqa/R5ox+cNoBDzFkTlyylq1KeonA6Rqnap wzQqAXYzDAaqoLySbyTu7sQ+PSHcZVnkWjxHJ/nYMh0zUblOb8CC4fOT1LAc39sHaV xW6HGXrA4H7kqzhqkTQXzq3TnGZ9Tuc4qZXEFjac= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lijun Ou , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.19 256/321] RDMA/hns: Bugfix for the scene without receiver queue Date: Tue, 3 Dec 2019 23:35:22 +0100 Message-Id: <20191203223440.452689729@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191203223427.103571230@linuxfoundation.org> References: <20191203223427.103571230@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lijun Ou [ Upstream commit 4d103905eb1e4f14cb62fcf962c9d35da7005dea ] In some application scenario, the user could not have receive queue when run rdma write or read operation. Signed-off-by: Lijun Ou Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_qp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 54d22868ffba5..af24698ff2262 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -522,7 +522,8 @@ static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr) static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr) { if (attr->qp_type == IB_QPT_XRC_INI || - attr->qp_type == IB_QPT_XRC_TGT || attr->srq) + attr->qp_type == IB_QPT_XRC_TGT || attr->srq || + !attr->cap.max_recv_wr) return 0; return 1; -- 2.20.1