From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 092C8A0545; Fri, 13 Nov 2020 08:27:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5B8D9569B; Fri, 13 Nov 2020 08:27:38 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by dpdk.org (Postfix) with ESMTP id 71F84493D for ; Fri, 13 Nov 2020 08:27:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605252453; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DDmmNSXoR4OTiNTyxyaoVreElGbRhOEi4smAd6Xrh3E=; b=ebL+2/lRwfIf/B1LeTx2g7/HyqVGXBfTMSTp6TCMYiQ3DkKmZbtqWB0DqiUpUZ8ool4Bup mwyOU+fKpr9XuLjOV19e8kAivKl6XucfoVtK8rgRarFkVYe0jni4MbonfCRYs4BbpAm0Dx oA8j6xaPhQuVwfZbBAbkW4SvRlEdt8E= Received: from mail-vs1-f69.google.com (mail-vs1-f69.google.com [209.85.217.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-363-QD4IeYTnNxq_CnB_xhY4XA-1; Fri, 13 Nov 2020 02:27:31 -0500 X-MC-Unique: QD4IeYTnNxq_CnB_xhY4XA-1 Received: by mail-vs1-f69.google.com with SMTP id v17so2582142vsq.19 for ; Thu, 12 Nov 2020 23:27:30 -0800 (PST) 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=DDmmNSXoR4OTiNTyxyaoVreElGbRhOEi4smAd6Xrh3E=; b=KZ2dIzOvWll+qQO0L0zI3+NrxU7Uu3lmJc3ZuGuvLF8ZQrpSWilcj24ew2FVSpCAl6 BsEG+T2wBjHve1+2uJpJjuftcosCOSYa9g5xgkItuDTNX/SxuQ2aTzMJF8blYohzciRx Qi6xTX9uZxPwwl+/YvaNk7IWXGCus9VaunAW6uazOHk+VJVf6Pd/cYfIKh0HL74XxoRO magwMzUsq5T3Zz3OrIArFQKQy3EQLMgNPKX8XZUb4e+dqsTNosp17Ys8joKaE60uBonB vOiteTJRE/pSoGzdI7sXeJ7lqS8nzl07bp0fh/HPb5803PA4QGawL9XdLzMLLsykQdRT 2XSw== X-Gm-Message-State: AOAM530YKVubi9MyEDZFTJ5dVSLnwx/sgA7thpeZiWyfHHZXOetbro8G tZBp5kBJfOc22BQLL5KV011BPAI4FeJo2kYHVkkwq6hmTya3pCFPbyhPlpw9cB9Q8JL7FUiChxg tgCRADStt4RSJ6wUQIWE= X-Received: by 2002:ab0:7313:: with SMTP id v19mr197006uao.87.1605252450581; Thu, 12 Nov 2020 23:27:30 -0800 (PST) X-Google-Smtp-Source: ABdhPJzL3u+i4g+GYMOZkOVC9yTDydZofKa+22dhifqlu4ji5Dlmusgqww/WwOLR6VGPhwNh1LUVAHo5VX6/DsNIUso= X-Received: by 2002:ab0:7313:: with SMTP id v19mr197004uao.87.1605252450370; Thu, 12 Nov 2020 23:27:30 -0800 (PST) MIME-Version: 1.0 References: <20201111154007.13426-1-yong.liu@intel.com> <8c5615e78a564907abfd6bc3c907c2a6@intel.com> In-Reply-To: <8c5615e78a564907abfd6bc3c907c2a6@intel.com> From: David Marchand Date: Fri, 13 Nov 2020 08:27:19 +0100 Message-ID: To: "Liu, Yong" Cc: Maxime Coquelin , "Xia, Chenbo" , dev , "Richardson, Bruce" Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dmarchan@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [PATCH] net/virtio: enable packet data prefetch on x86 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Fri, Nov 13, 2020 at 2:20 AM Liu, Yong wrote: > > Yes and this will also solve https://patchwork.dpdk.org/patch/83468/. > > Thanks. > > > > Agreed, original patch was intended to recover prefetch configuration in meson build. > Please check http://patchwork.dpdk.org/patch/78451/. > And it leaded a discussion about how to utilize prefetch function optimally. > Due to no conclusion for current position is best for other platforms except x86, now only enable prefetch in virtio + x86. I disagree. No conclusion means the best is to restore the previous state, i.e. enable this option for all platforms. If later other architectures want to change this, this can revisit. -- David Marchand