From patchwork Tue Oct 27 13:49:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 306894 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 AAC08C4363A for ; Tue, 27 Oct 2020 18:19:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F8D421556 for ; Tue, 27 Oct 2020 18:19:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603822742; bh=+jtZlyJvi3nEmWK4CY+5CuE/tPR+kSen5eO4hy8agZw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sF75xl1Dp1Nmz9k/09RgJc//8ZrwGgvw30wlmaumJNxdxFi0EF02R83+9CZHN2WgX 2coqogncJXJXMeN+Q2ThqZoaRgiBueG0z2HxsfXCEl81iEk0lMDbe6HXDM9y3V9t02 kNHUzxoAmjsjOfjzMHq8ni9x8BPvk8CxHHapP3E8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754104AbgJ0SS6 (ORCPT ); Tue, 27 Oct 2020 14:18:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:52470 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754092AbgJ0OEK (ORCPT ); Tue, 27 Oct 2020 10:04:10 -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 2F2B622258; Tue, 27 Oct 2020 14:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807449; bh=+jtZlyJvi3nEmWK4CY+5CuE/tPR+kSen5eO4hy8agZw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZoMSWwTkRjtOEb9ta2N7bkZr9lNGaeIkDeEYG8WgzK8xrv6f1/XAVhoWdci99llDj tn4MQSnzCSjUNpLfWstBzCUvlHHMkOWW2luEze6IZEVvEf8HkZ4ebU/xqQcTHvnaN9 k9wTCWqEXW3jfLpqP7s/H+d5JKgSN/nN2tIUmFPg= 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 4.9 057/139] IB/mlx4: Adjust delayed work when a dup is observed Date: Tue, 27 Oct 2020 14:49:11 +0100 Message-Id: <20201027134904.829929887@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027134902.130312227@linuxfoundation.org> References: <20201027134902.130312227@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 5dc920fe13269..c8c586c78d071 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -309,6 +309,9 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id) if (!sriov->is_going_down) { 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);