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=-1.4 required=3.0 tests=DATE_IN_PAST_03_06, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 DED78C433E0 for ; Mon, 29 Jun 2020 19:11:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC75D206E2 for ; Mon, 29 Jun 2020 19:11:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730276AbgF2TLj (ORCPT ); Mon, 29 Jun 2020 15:11:39 -0400 Received: from verein.lst.de ([213.95.11.211]:59074 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728452AbgF2TLg (ORCPT ); Mon, 29 Jun 2020 15:11:36 -0400 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?= Cc: Christoph Hellwig , Magnus Karlsson , Jonathan Lemon , iommu@lists.linux-foundation.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org 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-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Mon, Jun 29, 2020 at 03:39:01PM +0200, Björn Töpel 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.