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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 F06FDC28E82 for ; Tue, 2 Mar 2021 05:08:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D99E061606 for ; Tue, 2 Mar 2021 05:08:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1444255AbhCBCk2 (ORCPT ); Mon, 1 Mar 2021 21:40:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:58992 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242625AbhCATyU (ORCPT ); Mon, 1 Mar 2021 14:54:20 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E0D7965371; Mon, 1 Mar 2021 17:54:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614621294; bh=6gfXndnWt0cn4uwYu5UU1SMcPlnMrcM578dY4LtYkPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1p22zctONEk/B2oIW6Cqyb3xXOguNXvKVh6qTna43uax1J4Osnzf7PoUNtWH2rBuk HOzgIVOBOZ660b7Xm/tFdZ0WqHePGET2P/TtW2M7M7eEvN0xpoPiG3X4jMpHamhzcS RpN8LDLiGJ3aoDzm/O0b7lb5aYH48chmb6H36BZg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wenpeng Liang , Weihang Li , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.11 433/775] RDMA/hns: Force srq_limit to 0 when creating SRQ Date: Mon, 1 Mar 2021 17:10:01 +0100 Message-Id: <20210301161222.967008235@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161201.679371205@linuxfoundation.org> References: <20210301161201.679371205@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wenpeng Liang [ Upstream commit b5df9b7a2f965b7903850d8f89846ffe0080b84b ] According to the IB Specification, srq_limit shouldn't be configured during SRQ creation. If a user set srq_limit at this time, the driver should forced it to zero, or the result of creating SRQ will conflict with the result of querying SRQ. Fixes: c7bcb13442e1 ("RDMA/hns: Add SRQ support for hip08 kernel mode") Link: https://lore.kernel.org/r/1611997090-48820-4-git-send-email-liweihang@huawei.com Signed-off-by: Wenpeng Liang Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_srq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 9f60a0a745e11..ecc42c59e3cfc 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -338,6 +338,7 @@ int hns_roce_create_srq(struct ib_srq *ib_srq, roundup_pow_of_two(init_attr->attr.max_sge + srq->rsv_sge); init_attr->attr.max_wr = srq->wqe_cnt; init_attr->attr.max_sge = srq->max_gs; + init_attr->attr.srq_limit = 0; if (udata) { ret = ib_copy_from_udata(&ucmd, udata, -- 2.27.0