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=-5.2 required=3.0 tests=BAYES_00, 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 ABAE0C433E0 for ; Fri, 5 Feb 2021 09:35:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 57CC564F95 for ; Fri, 5 Feb 2021 09:35:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230372AbhBEJew (ORCPT ); Fri, 5 Feb 2021 04:34:52 -0500 Received: from verein.lst.de ([213.95.11.211]:59597 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229894AbhBEJbz (ORCPT ); Fri, 5 Feb 2021 04:31:55 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id CC72968AFE; Fri, 5 Feb 2021 10:31:12 +0100 (CET) Date: Fri, 5 Feb 2021 10:31:12 +0100 From: Christoph Hellwig To: Hillf Danton Cc: Andrew Lunn , Sven Van Asbroeck , Christoph Hellwig , Bryan Whitehead , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v1 1/6] lan743x: boost performance on cpu archs w/o dma cache snooping Message-ID: <20210205093112.GC870@lst.de> References: <20210129195240.31871-1-TheSven73@gmail.com> <20210129195240.31871-2-TheSven73@gmail.com> <20210204060210.2362-1-hdanton@sina.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210204060210.2362-1-hdanton@sina.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a pattern we've seen in a few other net driver, so we should be ok. It just is rather hairy and needs a good justification, which seems to be given here.