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=-14.1 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,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 950FCC433E1 for ; Mon, 24 Aug 2020 10:44:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70C5B207D3 for ; Mon, 24 Aug 2020 10:44:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598265874; bh=SIgjiKJyRKs9Mt0J85LNwRcpqauOM8dwuuDZY9aLfvQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SS4aa/q1GPgMY+07m7bR/ymw0EGwwCV7cHTEvqQ+mTT7V2ERzhKuhdBxVR98jFYH3 jVN5yeSFoCaQWgykfj5leN6FuVhXFhy3TYUwK5IDQtSEGL0huP8zkfEfr0OBH7oWKB IwOwU3vASL/f/xsHQRFicfBJvkCb6PrX0FVa7BUg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727114AbgHXKo2 (ORCPT ); Mon, 24 Aug 2020 06:44:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:34972 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbgHXKoZ (ORCPT ); Mon, 24 Aug 2020 06:44:25 -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 A65DA206B5; Mon, 24 Aug 2020 10:44:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598265864; bh=SIgjiKJyRKs9Mt0J85LNwRcpqauOM8dwuuDZY9aLfvQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iCImpFCepOj+ThhXIrGDcQj1gav7w+OKakJuuMt/7FKGcbdtACI9yQLrENsgiG4B2 9FvKZPnsL9CDN+viYzghckG2ASPrtKEUn/k3YY20WRXH3So5YgSDc0zWEm9VFGE5k1 /EYJL6hHwtIVZdZ93QkjC7LKeDiejfLPR0b2xzWY= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next 02/14] RDMA/cma: Delete from restrack DB after successful destroy Date: Mon, 24 Aug 2020 13:44:03 +0300 Message-Id: <20200824104415.1090901-3-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200824104415.1090901-1-leon@kernel.org> References: <20200824104415.1090901-1-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 Update the code to have similar destroy pattern like other IB objects. This change create asymmetry to the rdma_id_private create flow to make sure that memory is managed by restrack. Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/cma.c | 2 +- drivers/infiniband/core/restrack.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 78641858abe2..882669a014b2 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1821,7 +1821,6 @@ static void _destroy_id(struct rdma_id_private *id_priv, { cma_cancel_operation(id_priv, state); - rdma_restrack_del(&id_priv->res); if (id_priv->cma_dev) { if (rdma_cap_ib_cm(id_priv->id.device, 1)) { if (id_priv->cm_id.ib) @@ -1847,6 +1846,7 @@ static void _destroy_id(struct rdma_id_private *id_priv, rdma_put_gid_attr(id_priv->id.route.addr.dev_addr.sgid_attr); put_net(id_priv->id.route.addr.dev_addr.net); + rdma_restrack_del(&id_priv->res); kfree(id_priv); } diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c index 62fbb0ae9cb4..90fc74106620 100644 --- a/drivers/infiniband/core/restrack.c +++ b/drivers/infiniband/core/restrack.c @@ -330,6 +330,9 @@ void rdma_restrack_del(struct rdma_restrack_entry *res) rt = &dev->res[res->type]; old = xa_erase(&rt->xa, res->id); + if (!old && + (res->type == RDMA_RESTRACK_MR || res->type == RDMA_RESTRACK_QP)) + return; WARN_ON(old != res); res->valid = false; -- 2.26.2