From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (xvm-189-124.dc0.ghst.net [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 58A9AA0524; Thu, 7 Jan 2021 15:43:15 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1DD2A140F99; Thu, 7 Jan 2021 15:43:15 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by mails.dpdk.org (Postfix) with ESMTP id B55A3140F97 for ; Thu, 7 Jan 2021 15:43:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610030593; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JaghtSHEHGZnkC7eT01r1o8cAfpqbZGnxmPFAhMGw54=; b=DZuWiP8sWval987Y4QinBrUMmfyt6tNHve6BJhWL6dda0vlJGFhtTyhXLnTpdL5LjwKOJw 32JSbq8s6rdgEZAAj2EZ5s89jocXuDfUvo+AOlMoUvK6tgPH8CDCtrStiXCrsTKU8nR7kO gIhjeAQYquA5mATxmSRXCeMlbeg1kuA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-129-1gdONwDlPM-kZA1qEFpHSg-1; Thu, 07 Jan 2021 09:43:09 -0500 X-MC-Unique: 1gdONwDlPM-kZA1qEFpHSg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 30BB81084432; Thu, 7 Jan 2021 14:42:52 +0000 (UTC) Received: from [10.36.110.9] (unknown [10.36.110.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 57BEF369A; Thu, 7 Jan 2021 14:42:49 +0000 (UTC) To: Joyce Kong , chenbo.xia@intel.com, honnappa.nagarahalli@arm.com, ruifeng.wang@arm.com Cc: dev@dpdk.org, nd@arm.com References: <20201221142321.51606-1-joyce.kong@arm.com> <20201221142321.51606-3-joyce.kong@arm.com> From: Maxime Coquelin Message-ID: <450a63ec-2321-fb17-171a-31aee1c5b22b@redhat.com> Date: Thu, 7 Jan 2021 15:42:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20201221142321.51606-3-joyce.kong@arm.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v1 2/4] net/virtio: replace smp barrier with IO barrier X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 12/21/20 3:23 PM, Joyce Kong wrote: > Replace rte_smp_wmb/rmb with rte_io_wmb/rmb as they are the same on x86 > and ppc platforms. Then, for function virtqueue_fetch_flags_packed/ > virtqueue_store_flags_packed, the if and else branch are still identical > for the platforms except Arm. > > Signed-off-by: Joyce Kong > Reviewed-by: Ruifeng Wang > --- > drivers/net/virtio/virtqueue.h | 27 +++++++++++++-------------- > 1 file changed, 13 insertions(+), 14 deletions(-) > Reviewed-by: Maxime Coquelin