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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 A73C3C432C3 for ; Wed, 20 Nov 2019 17:49:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C250206CC for ; Wed, 20 Nov 2019 17:49:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="P6ibUNPa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728400AbfKTRto (ORCPT ); Wed, 20 Nov 2019 12:49:44 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:53841 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728364AbfKTRtm (ORCPT ); Wed, 20 Nov 2019 12:49:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574272181; 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=ODjoOFrCfJWqH0REftGehGkeWkjV+sQmFgs/zUioQPI=; b=P6ibUNPaoyGn4efNlYLD1e8DHi0PH1ptbaUqX2uTqGzBIwIgbFcb0F7AryRORTOZ1Ufcgh o5gJNVH5/01CEn306yCjEs9TUod9BA/2BPVQJH7TwsTQNI/m/LxWZuzb3jvVyHo8ZtU4BB AzlQdg77bE6JIItQevbYvWPRqOPU+F4= 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-214-5dlIfxnZMYCoUr3U-Ua0aw-1; Wed, 20 Nov 2019 12:49:40 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 55D3E477; Wed, 20 Nov 2019 17:49:39 +0000 (UTC) Received: from carbon (ovpn-200-17.brq.redhat.com [10.40.200.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id DF7B51C7; Wed, 20 Nov 2019 17:49:31 +0000 (UTC) Date: Wed, 20 Nov 2019 18:49:30 +0100 From: Jesper Dangaard Brouer To: Lorenzo Bianconi Cc: netdev@vger.kernel.org, davem@davemloft.net, ilias.apalodimas@linaro.org, lorenzo.bianconi@redhat.com, mcroce@redhat.com, jonathan.lemon@gmail.com, brouer@redhat.com Subject: Re: [PATCH v5 net-next 3/3] net: mvneta: get rid of huge dma sync in mvneta_rx_refill Message-ID: <20191120184930.421e7b82@carbon> In-Reply-To: <1e945f45259c09da6f5876a11e0bedd955c9d695.1574261017.git.lorenzo@kernel.org> References: <1e945f45259c09da6f5876a11e0bedd955c9d695.1574261017.git.lorenzo@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: 5dlIfxnZMYCoUr3U-Ua0aw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, 20 Nov 2019 16:54:19 +0200 Lorenzo Bianconi wrote: > Get rid of costly dma_sync_single_for_device in mvneta_rx_refill > since now the driver can let page_pool API to manage needed DMA > sync with a proper size. >=20 > - XDP_DROP DMA sync managed by mvneta driver:=09~420Kpps > - XDP_DROP DMA sync managed by page_pool API:=09~585Kpps >=20 > Tested-by: Matteo Croce Acked-by: Jesper Dangaard Brouer --=20 Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer