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=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 27195C43461 for ; Mon, 7 Sep 2020 17:49:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD1D82080A for ; Mon, 7 Sep 2020 17:49:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599500978; bh=EzqJ7VUWwmXig0zSu7HibRzW6Vq4SKBW7qep/hsQ4RE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mY0BdbVal71OdArYAttUU4xbr0/8QrRaXwj44qCDFK6nPSInZSv6t4fWDFv/AZUEL hzr/zG9FVJXGZ0O6x/MWd5tiBxv9EbY2uQZifozG6Xbh66n7/yWpGM/NNGLh35IACR aiLPDjwM36Vvu1qlgC7yLT6lnKkL23qe7h3XExs8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729245AbgIGRt1 (ORCPT ); Mon, 7 Sep 2020 13:49:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:41066 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729216AbgIGMWF (ORCPT ); Mon, 7 Sep 2020 08:22:05 -0400 Received: from localhost (unknown [213.57.247.131]) (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 84CED2137B; Mon, 7 Sep 2020 12:22:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599481325; bh=EzqJ7VUWwmXig0zSu7HibRzW6Vq4SKBW7qep/hsQ4RE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U4LTY6JhNQBz0FEEpfR0Jep6e9Uw5vNiXzhOUahgvq7Rp7Yr8VyFYfjoDWn1fGVQH TiN+IbwtZTV5AOy3Z9vDP+Oo1gak9+ajWf7JqCavl5ocmwBbzEjk9i7la6pPdWXa32 l73rUzT4S58qocoJss+SVmfPXmoOxfsgziMvznYY= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org, Mark Zhang Subject: [PATCH rdma-next v2 02/14] RDMA/mlx5: Don't call to restrack recursively Date: Mon, 7 Sep 2020 15:21:44 +0300 Message-Id: <20200907122156.478360-3-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200907122156.478360-1-leon@kernel.org> References: <20200907122156.478360-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky The restrack is going to manage memory of all IB objects and must be called before object is created. GSI QP in the mlx5_ib separated between creating dummy interface and HW object beneath. This was achieved by double call to ib_create_qp(). In order to skip such reentry call to internal driver create_qp code. Reviewed-by: Mark Zhang Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/gsi.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c index 40d418153891..d9f300f78a82 100644 --- a/drivers/infiniband/hw/mlx5/gsi.c +++ b/drivers/infiniband/hw/mlx5/gsi.c @@ -182,13 +182,25 @@ struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd, hw_init_attr.cap.max_send_sge = 0; hw_init_attr.cap.max_inline_data = 0; } - gsi->rx_qp = ib_create_qp(pd, &hw_init_attr); + + gsi->rx_qp = mlx5_ib_create_qp(pd, &hw_init_attr, NULL); if (IS_ERR(gsi->rx_qp)) { mlx5_ib_warn(dev, "unable to create hardware GSI QP. error %ld\n", PTR_ERR(gsi->rx_qp)); ret = PTR_ERR(gsi->rx_qp); goto err_destroy_cq; } + gsi->rx_qp->device = pd->device; + gsi->rx_qp->pd = pd; + gsi->rx_qp->real_qp = gsi->rx_qp; + + gsi->rx_qp->qp_type = hw_init_attr.qp_type; + gsi->rx_qp->send_cq = hw_init_attr.send_cq; + gsi->rx_qp->recv_cq = hw_init_attr.recv_cq; + gsi->rx_qp->event_handler = hw_init_attr.event_handler; + spin_lock_init(&gsi->rx_qp->mr_lock); + INIT_LIST_HEAD(&gsi->rx_qp->rdma_mrs); + INIT_LIST_HEAD(&gsi->rx_qp->sig_mrs); dev->devr.ports[init_attr->port_num - 1].gsi = gsi; @@ -219,7 +231,7 @@ int mlx5_ib_gsi_destroy_qp(struct ib_qp *qp) mlx5_ib_dbg(dev, "destroying GSI QP\n"); mutex_lock(&dev->devr.mutex); - ret = ib_destroy_qp(gsi->rx_qp); + ret = mlx5_ib_destroy_qp(gsi->rx_qp, NULL); if (ret) { mlx5_ib_warn(dev, "unable to destroy hardware GSI QP. error %d\n", ret); -- 2.26.2