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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 BCDF1C433E6 for ; Fri, 5 Feb 2021 16:13:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E8BA64FBF for ; Fri, 5 Feb 2021 16:13:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232713AbhBEOeG (ORCPT ); Fri, 5 Feb 2021 09:34:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232643AbhBEOap (ORCPT ); Fri, 5 Feb 2021 09:30:45 -0500 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFD95C06178A; Fri, 5 Feb 2021 06:07:34 -0800 (PST) Received: by mail-wr1-x431.google.com with SMTP id d16so7766593wro.11; Fri, 05 Feb 2021 06:07:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=tGuuL40sGcfgrloxWuU/Mr8s8X8BV6lQEs2pAh9D2YE=; b=l/dzw7ifuNU24tZ6TXySAhV2vGO0CPg+7/Et9s1SxjCL4d9Nl33+Rw0jIimvXgRn+z zDakgbxfwnjVO3AwcCqEc3VarFa1CBpq5/P0OsYi1NBVx3qXExOIxjGFSHtYSh68gMS4 Eve2H+tgiVQbHqWXyFfi3uzMbDy53BMdiIwFAM+0v+dlumZp9R1MMb3nhMwQy0vpGujS XfYem9f7CG3lpYESGx0xVQntrt2mQJ0F3+TEJdhIE3p+HR0bH9ssiG73G4bSAgPKHh8H ZbTkH5qjthgrh3GTKmk+WU7bLOFin0A79HZVM2SjlxTKJyBvvlxZEV42Lz++2tgyy7er /Ajg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=tGuuL40sGcfgrloxWuU/Mr8s8X8BV6lQEs2pAh9D2YE=; b=HOOv/Th4CfiGJHkGbcdSKTMUdxyw5KSQlTxCVY0k+mGXr1oZEQsHBxE6ZwhlqekkdZ ai8z+G9M7pIowAJHmuIG0jcMoZhq5EeK3hjlIbmWICYkiYP/nOFj9AxMxs0gtRexbYzg uU7fBO2pfiJlxthykzrl9g/qCVXI6HT9q8N37ZwgJqiDSobgQ6eq5dnF4WqY7/G3b0mT FkdSoInORjAOlid7UlwrR3iMg/g/wIy7aAicnhTUAecy/dRLDAdhS1tFvAscQ5286uwu rvmMsWeY6r0y+d3DBaD9N1wfqYfDi9qr6tBCrPjVAKVE3SrL1hoFeXnEtmo1mFG/0lEN R+Gg== X-Gm-Message-State: AOAM531MNn9WhDbLuuaY0myS1OOXRXu0aaXW6jek3z+2yTwyiaYYmdI6 TCM4sRn2VXecFzmsJqqwX26B1g1NKk79/My2COc= X-Google-Smtp-Source: ABdhPJz4c68iFt9emmCQCVE0NR6e5E0nuYYE7jDU6v3EZxjkge8aiiZNM7kql3sdPgVZ3CNhBKMRjiUgediRb51E9+U= X-Received: by 2002:a5d:60c6:: with SMTP id x6mr5108680wrt.85.1612534053076; Fri, 05 Feb 2021 06:07:33 -0800 (PST) MIME-Version: 1.0 References: <20210129195240.31871-2-TheSven73@gmail.com> <20210205124419.8575-1-sbauer@blackbox.su> In-Reply-To: <20210205124419.8575-1-sbauer@blackbox.su> From: Sven Van Asbroeck Date: Fri, 5 Feb 2021 09:07:22 -0500 Message-ID: Subject: Re: [PATCH net-next v1 1/6] lan743x: boost performance on cpu archs w/o dma cache snooping To: Sergej Bauer Cc: Andrew Lunn , Markus.Elfring@web.de, Alexey Denisov , Tim Harvey , =?UTF-8?Q?Anders_R=C3=B8nningen?= , Bryan Whitehead , "maintainer:MICROCHIP LAN743X ETHERNET DRIVER" , "David S. Miller" , Jakub Kicinski , "open list:MICROCHIP LAN743X ETHERNET DRIVER" , open list Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Sergej, On Fri, Feb 5, 2021 at 7:44 AM Sergej Bauer wrote: > > Hi Sven > I can confirm great stability improvement after your patch > "lan743x: boost performance on cpu archs w/o dma cache snooping". > > Test machine is Intel Pentium G4560 3.50GHz > lan743x with rejected virtual phy 'inside' Interesting, so the speed boost patch seems to improve things even on Intel... Would you be able to apply and test the multi-buffer patch as well? To do that, you can simply apply patches [2/6] and [3/6] on top of what you already have. Keeping in mind that Bryan has identified an issue with the above patch, which will get fixed in v2. So YMMV.