Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp3527712pxv; Mon, 28 Jun 2021 06:41:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz2SBU/Daz4XgWXe9thq/YbHn9xJntgEY8mteVNwS/g1aHMfhsqbloXt/jluatfUkcxPsac X-Received: by 2002:a17:906:8495:: with SMTP id m21mr24223764ejx.181.1624887674737; Mon, 28 Jun 2021 06:41:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624887674; cv=none; d=google.com; s=arc-20160816; b=wMeiDiZSmcxYW1L7Yx4yBeuBlSFM7DzoFahhs+G552bf2L89hPMIHe8kWAON0ZN8LB M6sV5H3HofjjY755LsReSjFhk+OslcDLg/bz8F1R8IdrUxSRR9IEt3rSGF2mLRdUNE6g UKlXt6El3z8vs95MsRR5aL11tdwvwoBA70XEP/tVUXUDyUwnpCI6B/VgEQ8g1rFdpe5g w/LYNU8TW5DJl/mQZ3PzoxM6l/NGS9AlrU/fycgC2GupEk1mlV89mTrawOtuycCuq11/ pNi1ZUorfC9omX/hlfa907yTiF4j6mTa8723zTCuAGBuITsInTRedrGV9rg8nCagx1lB 2eRA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=ehBwBAnNUPq39osY19tW5j9bVdjJQULaIxd6neg5OQg=; b=x8kkjm43P3bYHgXBk8b/wsWZzXNC5meKmqf76mROtaDDwzs307NtiI+EJ0KOkSssgW JC101Olvo+B7hNVb+1ybobC8BGDDUiHpoX2CiulYeHC0qcP0Ag1nXZxGHy0KN/PjokEr aMl8uOBQMnSCXhYPSePSteCMJJWJHEQ7zDNeYrJiDiu/CCjRNFGA0RmBkZYjS+qTuQ5M lW9Dafma7J73vv7PJp7s1ksMLyVkqQwoVkVxDveVDtEBFQSme5me6j4kDXHat0tUv1SF QjP8Jw0lghS0mCiENQNYa267ryI2UlsV1S67RWwQpFjFR9HHo5JpCYTSJvL1xiB+ZmkJ KI7w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p4si14282847eds.283.2021.06.28.06.40.51; Mon, 28 Jun 2021 06:41:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231723AbhF1NkC (ORCPT + 99 others); Mon, 28 Jun 2021 09:40:02 -0400 Received: from verein.lst.de ([213.95.11.211]:36487 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232124AbhF1NjT (ORCPT ); Mon, 28 Jun 2021 09:39:19 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 40E216736F; Mon, 28 Jun 2021 15:36:51 +0200 (CEST) Date: Mon, 28 Jun 2021 15:36:51 +0200 From: Christoph Hellwig To: Arnaud POULIQUEN Cc: Mathieu Poirier , Christoph Hellwig , Ohad Ben-Cohen , Bjorn Andersson , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: remoteproc DMA API abuse status Message-ID: <20210628133651.GA21504@lst.de> References: <20210623134307.GA29505@lst.de> <20210624193514.GA1090275@p14s> <011dac94-cfe0-d276-980a-b8ffe1447521@foss.st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <011dac94-cfe0-d276-980a-b8ffe1447521@foss.st.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 25, 2021 at 09:27:09AM +0200, Arnaud POULIQUEN wrote: > > I believe the conversation and patchset you are referring to are pre-dating my > > time in this subsystem. To make sure I am looking at the right thing, can you > > (or anyone else) point me to that discussion and related patches? > > 2 references: > > 1)Previous discussion thread on the topic: > > https://patchwork.kernel.org/project/linux-remoteproc/patch/AOKowLclCbOCKxyiJ71WeNyuAAj2q8EUtxrXbyky5E@cp7-web-042.plabs.ch/ > > 2) My patchset related to the refactoring of remoteproc virtio which tries to > address the point by creating a remoteproc platform driver and declaring a > virtio subnode in the device tree remoteproc node. > > https://lkml.org/lkml/2020/4/16/1817 > > No time yet on my side to come back on the patchset :( I was hoping you'd make some progress on that. Any way I could help without having access to the relevant hardware myself?