From patchwork Tue Oct 27 13:52:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 307096 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 34920C63697 for ; Tue, 27 Oct 2020 17:31:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E133020878 for ; Tue, 27 Oct 2020 17:31:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603819911; bh=fx7nSc4+HAA+ZI3A8vS+yupNxWF316MaiDraXpmIKTA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jvmA5Bh0427IRWnKBGd6IrdZyiNzad/Ya5tEfs9A5RZexFvWGLJoJjwGOwgY+JVzE 0kY+KUbs4AMV+/bjDZs5K/gBoO2sBXzIiKCeEv9Je9NUaym/v7NQzTovDs5C86hyal 7wO2lI8GtitoO3CWofAev+Wzde9gco8Up6ntHWlA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1813708AbgJ0Rbs (ORCPT ); Tue, 27 Oct 2020 13:31:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:36382 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760974AbgJ0OhX (ORCPT ); Tue, 27 Oct 2020 10:37:23 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 0251922264; Tue, 27 Oct 2020 14:37:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603809442; bh=fx7nSc4+HAA+ZI3A8vS+yupNxWF316MaiDraXpmIKTA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vykwPpqEitKzQ4QRd3iwk7y3TovE/5/ACir9ZZ3yixC/hQIZAUhDTFysdQAppQsIH kMj8jDSHe3wWWXy2v7qWk3C8XD7TLz7LF/O5cKwiZ0GP/kw2pgLQOXeKoc4gA0y91B H71izEAdisp9OdoW9KPkLFiKY8KKpKdZhHOPDQvg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?utf-8?q?H=C3=A5kon_Bugge?= , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.4 198/408] IB/mlx4: Adjust delayed work when a dup is observed Date: Tue, 27 Oct 2020 14:52:16 +0100 Message-Id: <20201027135504.284490872@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135455.027547757@linuxfoundation.org> References: <20201027135455.027547757@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Håkon Bugge [ Upstream commit 785167a114855c5aa75efca97000e405c2cc85bf ] When scheduling delayed work to clean up the cache, if the entry already has been scheduled for deletion, we adjust the delay. Fixes: 3cf69cc8dbeb ("IB/mlx4: Add CM paravirtualization") Link: https://lore.kernel.org/r/20200803061941.1139994-7-haakon.bugge@oracle.com Signed-off-by: Håkon Bugge Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx4/cm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index b591861934b3c..81d6a3460b55d 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -280,6 +280,9 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id) if (!sriov->is_going_down && !id->scheduled_delete) { id->scheduled_delete = 1; schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT); + } else if (id->scheduled_delete) { + /* Adjust timeout if already scheduled */ + mod_delayed_work(system_wq, &id->timeout, CM_CLEANUP_CACHE_TIMEOUT); } spin_unlock_irqrestore(&sriov->going_down_lock, flags); spin_unlock(&sriov->id_map_lock);