From patchwork Mon Aug 19 16:31:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Bogendoerfer X-Patchwork-Id: 11101441 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9DA261395 for ; Mon, 19 Aug 2019 16:33:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DCC42879E for ; Mon, 19 Aug 2019 16:33:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 821D7287CC; Mon, 19 Aug 2019 16:33:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 31DEB2879E for ; Mon, 19 Aug 2019 16:33:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728069AbfHSQdm (ORCPT ); Mon, 19 Aug 2019 12:33:42 -0400 Received: from mx2.suse.de ([195.135.220.15]:55518 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727952AbfHSQcG (ORCPT ); Mon, 19 Aug 2019 12:32:06 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id CC133B61B; Mon, 19 Aug 2019 16:32:04 +0000 (UTC) From: Thomas Bogendoerfer To: Jonathan Corbet , Ralf Baechle , Paul Burton , James Hogan , Dmitry Torokhov , Lee Jones , "David S. Miller" , Srinivas Kandagatla , Alessandro Zummo , Alexandre Belloni , Greg Kroah-Hartman , Jiri Slaby , Evgeniy Polyakov , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-input@vger.kernel.org, netdev@vger.kernel.org, linux-rtc@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH v5 11/17] net: sgi: ioc3-eth: no need to stop queue set_multicast_list Date: Mon, 19 Aug 2019 18:31:34 +0200 Message-Id: <20190819163144.3478-12-tbogendoerfer@suse.de> X-Mailer: git-send-email 2.13.7 In-Reply-To: <20190819163144.3478-1-tbogendoerfer@suse.de> References: <20190819163144.3478-1-tbogendoerfer@suse.de> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP netif_stop_queue()/netif_wake_qeue() aren't needed for changing multicast filters. Use spinlocks instead for proper protection of private struct. Signed-off-by: Thomas Bogendoerfer --- drivers/net/ethernet/sgi/ioc3-eth.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index d862f28887f9..7f85a3bfef14 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -1542,8 +1542,7 @@ static void ioc3_set_multicast_list(struct net_device *dev) struct netdev_hw_addr *ha; u64 ehar = 0; - netif_stop_queue(dev); /* Lock out others. */ - + spin_lock_irq(&ip->ioc3_lock); if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */ ip->emcr |= EMCR_PROMISC; writel(ip->emcr, ®s->emcr); @@ -1572,7 +1571,7 @@ static void ioc3_set_multicast_list(struct net_device *dev) writel(ip->ehar_l, ®s->ehar_l); } - netif_wake_queue(dev); /* Let us get going again. */ + spin_unlock_irq(&ip->ioc3_lock); } module_pci_driver(ioc3_driver);