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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 58195C4CECE for ; Mon, 14 Oct 2019 10:50:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2787620873 for ; Mon, 14 Oct 2019 10:50:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571050250; bh=pV2PH2KLT5EdywTUxlWQt4uRWS0e+82dOXBzKjESo8s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=X1nqpda57jn7/ICvR50m1zyCPb54f2AHTuNYPQ2lbqoLWZdcP4zshP5FBDVCXO66R jP/HFUheglI/YmZ4hK3hLay52AZbFCkNT4THmLGjaFMnVjD6fOnYQ4XjnHh9s3ZIBv PjdXCWs1vORTKw0ME5m9OD06Fs1QvSjMT/rK3xi0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731714AbfJNKut (ORCPT ); Mon, 14 Oct 2019 06:50:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:58150 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731449AbfJNKus (ORCPT ); Mon, 14 Oct 2019 06:50:48 -0400 Received: from localhost.localdomain.com (nat-pool-mxp-t.redhat.com [149.6.153.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BAADD20873; Mon, 14 Oct 2019 10:50:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571050247; bh=pV2PH2KLT5EdywTUxlWQt4uRWS0e+82dOXBzKjESo8s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nB3cH4LDC1BsPkwxKTkPexiscsnv1rudDc/yYLKA4D/O3unrqu6PU5FT3MQ7zvZyB pSNFVIFYIefg2wra+c2tMDuPyoZr4OhhMbjLMzeS4ULWpieKxDeawplBopPYF5TT+u d14OXb+qm+j+0nAcqyqwUy3PFXPF2QBy7kqIyxDE= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net, thomas.petazzoni@bootlin.com, brouer@redhat.com, ilias.apalodimas@linaro.org, matteo.croce@redhat.com, mw@semihalf.com Subject: [PATCH v3 net-next 6/8] net: mvneta: move header prefetch in mvneta_swbm_rx_frame Date: Mon, 14 Oct 2019 12:49:53 +0200 Message-Id: <67ecff86072e0aad7ce73452af9e9a830818f0d5.1571049326.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Move data buffer prefetch in mvneta_swbm_rx_frame after dma_sync_single_range_for_cpu Signed-off-by: Ilias Apalodimas Signed-off-by: Jesper Dangaard Brouer Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/marvell/mvneta.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index b47a44cf9610..a79d81c9be7a 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2024,6 +2024,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, rx_desc->buf_phys_addr, len, dma_dir); + /* Prefetch header */ + prefetch(data); + xdp->data_hard_start = data; xdp->data = data + MVNETA_SKB_HEADROOM + MVNETA_MH_SIZE; xdp->data_end = xdp->data + data_len; @@ -2119,15 +2122,11 @@ static int mvneta_rx_swbm(struct napi_struct *napi, /* Fairness NAPI loop */ while (done < budget && done < rx_pending) { struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq); - unsigned char *data; struct page *page; int index; index = rx_desc - rxq->descs; page = (struct page *)rxq->buf_virt_addr[index]; - data = page_address(page); - /* Prefetch header */ - prefetch(data); rxq->refill_num++; done++; -- 2.21.0