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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 B049AC4361B for ; Mon, 14 Dec 2020 18:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C31A224D1 for ; Mon, 14 Dec 2020 18:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408359AbgLNSYQ (ORCPT ); Mon, 14 Dec 2020 13:24:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:47320 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2502321AbgLNRiO (ORCPT ); Mon, 14 Dec 2020 12:38:14 -0500 From: Greg Kroah-Hartman Authentication-Results: mail.kernel.org; dkim=permerror (bad message/signature format) To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Brian King , Lijun Pan , Dany Madden , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.9 053/105] ibmvnic: skip tx timeout reset while in resetting Date: Mon, 14 Dec 2020 18:28:27 +0100 Message-Id: <20201214172557.830952539@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201214172555.280929671@linuxfoundation.org> References: <20201214172555.280929671@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lijun Pan [ Upstream commit 855a631a4c11458a9cef1ab79c1530436aa95fae ] Sometimes it takes longer than 5 seconds (watchdog timeout) to complete failover, migration, and other resets. In stead of scheduling another timeout reset, we wait for the current one to complete. Suggested-by: Brian King Signed-off-by: Lijun Pan Reviewed-by: Dany Madden Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/ibm/ibmvnic.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index a1556673300a0..68aa9930d8187 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2358,6 +2358,12 @@ static void ibmvnic_tx_timeout(struct net_device *dev, unsigned int txqueue) { struct ibmvnic_adapter *adapter = netdev_priv(dev); + if (test_bit(0, &adapter->resetting)) { + netdev_err(adapter->netdev, + "Adapter is resetting, skip timeout reset\n"); + return; + } + ibmvnic_reset(adapter, VNIC_RESET_TIMEOUT); } -- 2.27.0