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=-13.1 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 29BFAC63798 for ; Tue, 17 Nov 2020 07:02:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB32A241A6 for ; Tue, 17 Nov 2020 07:02:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="y473Hntp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726417AbgKQHCG (ORCPT ); Tue, 17 Nov 2020 02:02:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:57658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726560AbgKQHCF (ORCPT ); Tue, 17 Nov 2020 02:02:05 -0500 Received: from localhost (thunderhill.nvidia.com [216.228.112.22]) (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 B0B1B241A6; Tue, 17 Nov 2020 07:02:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605596525; bh=705AQFg48JYSoBR8K0coQS4UIIVfR9sqw4Xgq3pz+yA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=y473HntpqiXDSqxLJqfIPUcX3tdrN93st8gsq5SHXwnSyG538Rc5vzXu59iuvX59v ElsSo4qByGy5ur0g+Lh5ARv8Sb/EIGP5J0I8rcBSiC7kr5pKzXMUT4dMiQkxzD7Ygo DIQzjGR6nV/mZh5RbP+IXOsZUXYMIkgeEmPAbqi8= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , Ariel Levkovich , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next v5 1/3] RDMA/core: Track device memory MRs Date: Tue, 17 Nov 2020 09:01:46 +0200 Message-Id: <20201117070148.1974114-2-leon@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201117070148.1974114-1-leon@kernel.org> References: <20201117070148.1974114-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Device memory (DM) are registered as MR during initialization flow, these MRs were not tracked by resource tracker and had res->valid set as a false. Update the code to manage them too. Before this change: [leonro@vm ~]$ ibv_rc_pingpong -j & [leonro@vm ~]$ rdma res show mr <-- shows nothing After this change: [leonro@vm ~]$ ibv_rc_pingpong -j & [leonro@vm ~]$ rdma res show mr dev ibp0s9 mrn 0 mrlen 4096 pdn 3 pid 734 comm ibv_rc_pingpong Fixes: be934cca9e98 ("IB/uverbs: Add device memory registration ioctl support") Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/uverbs_std_types_mr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c index 9b22bb553e8b..dc5856441729 100644 --- a/drivers/infiniband/core/uverbs_std_types_mr.c +++ b/drivers/infiniband/core/uverbs_std_types_mr.c @@ -33,6 +33,7 @@ #include "rdma_core.h" #include "uverbs.h" #include +#include "restrack.h" static int uverbs_free_mr(struct ib_uobject *uobject, enum rdma_remove_reason why, @@ -134,6 +135,9 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)( atomic_inc(&pd->usecnt); atomic_inc(&dm->usecnt); + rdma_restrack_new(&mr->res, RDMA_RESTRACK_MR); + rdma_restrack_set_name(&mr->res, NULL); + rdma_restrack_add(&mr->res); uobj->object = mr; uverbs_finalize_uobj_create(attrs, UVERBS_ATTR_REG_DM_MR_HANDLE); -- 2.28.0