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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 04E3FC433DF for ; Mon, 29 Jun 2020 14:22:33 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C345F23372 for ; Mon, 29 Jun 2020 14:22:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C345F23372 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id ABFF3221B5; Mon, 29 Jun 2020 14:22:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rDfJAQfXkVPI; Mon, 29 Jun 2020 14:22:32 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 16B232214F; Mon, 29 Jun 2020 14:22:32 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id F0198C0865; Mon, 29 Jun 2020 14:22:31 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 18F93C016E for ; Mon, 29 Jun 2020 14:22:31 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 14F4888797 for ; Mon, 29 Jun 2020 14:22:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0zKzvrFe4NsM for ; Mon, 29 Jun 2020 14:22:29 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by whitealder.osuosl.org (Postfix) with ESMTPS id B15EC884AB for ; Mon, 29 Jun 2020 14:22:29 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 590416736F; Mon, 29 Jun 2020 16:22:25 +0200 (CEST) Date: Mon, 29 Jun 2020 16:22:25 +0200 From: Christoph Hellwig To: =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= Subject: Re: add an API to check if a streamming mapping needs sync calls Message-ID: <20200629142225.GA22336@lst.de> References: <20200629130359.2690853-1-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jonathan Lemon , bpf@vger.kernel.org, Christoph Hellwig , Magnus Karlsson X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, Jun 29, 2020 at 03:39:01PM +0200, Bj=F6rn T=F6pel wrote: > On 2020-06-29 15:03, Christoph Hellwig wrote: >> Hi all, >> >> this series lifts the somewhat hacky checks in the XSK code if a DMA >> streaming mapping needs dma_sync_single_for_{device,cpu} calls to the >> DMA API. >> > > Thanks a lot for working on, and fixing this, Christoph! > > I took the series for a spin, and there are (obviously) no performance > regressions. > > Would the patches go through the net/bpf trees or somewhere else? either the net tree or (my) dma-mapping tree would be fine with me. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu