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=-5.3 required=3.0 tests=BAYES_00, 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 D1239C4363C for ; Wed, 7 Oct 2020 06:21:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7FF9A206F0 for ; Wed, 7 Oct 2020 06:21:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727261AbgJGGVy (ORCPT ); Wed, 7 Oct 2020 02:21:54 -0400 Received: from verein.lst.de ([213.95.11.211]:36263 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726138AbgJGGVy (ORCPT ); Wed, 7 Oct 2020 02:21:54 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 8B42F67373; Wed, 7 Oct 2020 08:21:50 +0200 (CEST) Date: Wed, 7 Oct 2020 08:21:50 +0200 From: Christoph Hellwig To: Tomasz Figa Cc: Christoph Hellwig , Sergey Senozhatsky , Mauro Carvalho Chehab , Marek Szyprowski , "open list:IOMMU DRIVERS" , Robin Murphy , Linux Doc Mailing List , Linux Kernel Mailing List , Linux Media Mailing List Subject: Re: [PATCH 8/8] WIP: add a dma_alloc_contiguous API Message-ID: <20201007062150.GA10601@lst.de> References: <20200930160917.1234225-1-hch@lst.de> <20200930160917.1234225-9-hch@lst.de> <20201002175040.GA1131147@chromium.org> <20201005082629.GA13850@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 06, 2020 at 10:56:04PM +0200, Tomasz Figa wrote: > > Yes. And make sure the API isn't implemented when VIVT caches are > > used, but that isn't really different from the current interface. > > Okay, thanks. Let's see if we can make necessary changes to the videobuf2. > > +Sergey Senozhatsky for awareness too. I can defer the changes a bit to see if you'd really much prefer the former interface. I think for now the most important thing is that it works properly for the potential users, and the prime one is videobuf2 for now. drm also seems like a big potential users, but I had a really hard time getting the developers to engage in API development.