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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 3BFF9C54E8E for ; Mon, 11 May 2020 14:38:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16F5620722 for ; Mon, 11 May 2020 14:38:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730416AbgEKOiD (ORCPT ); Mon, 11 May 2020 10:38:03 -0400 Received: from correo.us.es ([193.147.175.20]:47372 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725993AbgEKOiD (ORCPT ); Mon, 11 May 2020 10:38:03 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 281F3DA737 for ; Mon, 11 May 2020 16:38:01 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 190DC115409 for ; Mon, 11 May 2020 16:38:01 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 0DE3C115406; Mon, 11 May 2020 16:38:01 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 2B1641158E3; Mon, 11 May 2020 16:37:59 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Mon, 11 May 2020 16:37:59 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from us.es (unknown [90.77.255.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: 1984lsi) by entrada.int (Postfix) with ESMTPSA id 0F27142EF532; Mon, 11 May 2020 16:37:59 +0200 (CEST) Date: Mon, 11 May 2020 16:37:58 +0200 X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: Paul Blakey Cc: Oz Shlomo , Roi Dayan , netdev@vger.kernel.org, Saeed Mahameed , netfilter-devel@vger.kernel.org Subject: Re: [PATCH net] netfilter: flowtable: Add pending bit for offload work Message-ID: <20200511143758.GA24761@salvia> References: <1588764279-12166-1-git-send-email-paulb@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1588764279-12166-1-git-send-email-paulb@mellanox.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, May 06, 2020 at 02:24:39PM +0300, Paul Blakey wrote: > Gc step can queue offloaded flow del work or stats work. > Those work items can race each other and a flow could be freed > before the stats work is executed and querying it. > To avoid that, add a pending bit that if a work exists for a flow > don't queue another work for it. > This will also avoid adding multiple stats works in case stats work > didn't complete but gc step started again. Applied to nf, thanks.