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 80613A04B7; Tue, 13 Oct 2020 14:51:06 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 591561DA52; Tue, 13 Oct 2020 14:51:05 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by dpdk.org (Postfix) with ESMTP id 15E5B1DA11 for ; Tue, 13 Oct 2020 14:51:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602593462; 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=auUDXrZO9pidbtJXnvHZ2Ji9jbDloM5Fgo96TtdAOAA=; b=NuBAh5qSxyY1TuALv9UlBNZ6Mj2y6w6I0r3yCXUVmJWBAgRXh8jMqYJ6AaTjhc6J3z2VeJ ccbW3HelHkJUCUp0h0rdDsP7ekdgbtgzqhrqlhjr1TVOYxmzeXlJ75ilSbgskEdp7FDn1G kPU6hDy/ZG33sgXzrKYMxh2+CPIp5LY= Received: from mail-vk1-f198.google.com (mail-vk1-f198.google.com [209.85.221.198]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-520-07jKMecpPpKacY5KFUx4Pg-1; Tue, 13 Oct 2020 08:50:58 -0400 X-MC-Unique: 07jKMecpPpKacY5KFUx4Pg-1 Received: by mail-vk1-f198.google.com with SMTP id w4so813020vkm.8 for ; Tue, 13 Oct 2020 05:50:58 -0700 (PDT) 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=auUDXrZO9pidbtJXnvHZ2Ji9jbDloM5Fgo96TtdAOAA=; b=g8V4+mUd1KnPHbScIuRXBKtZ+kikKOxmEgvIWTHjjigDHIVkFjfi4XvGvARdDzBEOs +vWEyJqqMNLQfCloigeVmLYl5dBU1q93OancfJKU/UzTm10exW7h8B4dSRUHl5zHMR6c bsgGQO6oFCAZN3H+BzIWqwl3iQ2CYaAaVREneAoiG8CTQNZI0sUbQH02J3Q82NhNnQFf A/Yx/886DTZZ+xsgbCEHpIBxXuxDznomOu8VJKw86FeGbpBeybif+p6dixw/e2sfUiI6 dO7KRy4q0n99+1hIdUanZx2nuKg4V9gzlM7OWO/fhEu+sQ809Nya9gvEGjasI4uSAXeV eArg== X-Gm-Message-State: AOAM532JatIVWBNzYv/mtgmYemg4JERf8hPZMWtg6YkLVF/KBfQF7vAP PLuiqr3z/UGMpfyHwMLOd4vuGtbTcsG7pdFt8p9OvLF6oRsBWHlVnwC05K9xgBklWhcQu3apivR TFyMJzFfMnUJEKEzzfUk= X-Received: by 2002:a05:6102:3121:: with SMTP id f1mr16720257vsh.10.1602593458370; Tue, 13 Oct 2020 05:50:58 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxGQ865EqvXad5woMu8Zgl5t0DYVIffBEzCcbh3bgjlNHuDvUsqNSnZETZKsUOZbWuXUUwU55+3DY1oROjx9IY= X-Received: by 2002:a05:6102:3121:: with SMTP id f1mr16720240vsh.10.1602593458105; Tue, 13 Oct 2020 05:50:58 -0700 (PDT) MIME-Version: 1.0 References: <1591870283-7776-1-git-send-email-radu.nicolau@intel.com> <20200923142253.18853-1-radu.nicolau@intel.com> In-Reply-To: <20200923142253.18853-1-radu.nicolau@intel.com> From: David Marchand Date: Tue, 13 Oct 2020 14:50:46 +0200 Message-ID: To: Radu Nicolau Cc: dev , Beilei Xing , Jeff Guo , Bruce Richardson , "Ananyev, Konstantin" , Jerin Jacob , "Trahe, Fiona" , Wei Zhao , "Ruifeng Wang (Arm Technology China)" , Qiming Yang , Qi Zhang , "Yigit, Ferruh" , Akhil Goyal 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 v12 0/5] eal: add WC store functions 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 Wed, Sep 23, 2020 at 4:23 PM Radu Nicolau wrote: > > Implement 2 new functions that will enable write combining > stores depending on architecture. The functions are provided > as a generic stub and a x86 specific implementation. > > The reason to implement these functions is to improve performance > by reducing the overhead associated with regular mmio writes when > updating the hardware queue tails and doorbells. > > With this patch set the I40E, ICE, IXGBE and QAT PMDs are updated to > use the write combining store functions with other PMDs to follow. > > > Radu Nicolau (5): > eal: add WC store functions > net/i40e: use WC store to update queue tail registers > common/qat: use WC store to update queue tail registers > net/ixgbe: use WC store to update queue tail registers > net/ice: use WC store to update queue tail registers Series applied. -- David Marchand