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 42EEDC56201 for ; Tue, 24 Nov 2020 13:33:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA60C20708 for ; Tue, 24 Nov 2020 13:33:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388313AbgKXNdT (ORCPT ); Tue, 24 Nov 2020 08:33:19 -0500 Received: from verein.lst.de ([213.95.11.211]:54461 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388011AbgKXNdS (ORCPT ); Tue, 24 Nov 2020 08:33:18 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 4C5866736F; Tue, 24 Nov 2020 14:33:15 +0100 (CET) Date: Tue, 24 Nov 2020 14:33:15 +0100 From: Christoph Hellwig To: Ricardo Ribalda Cc: Christoph Hellwig , Mauro Carvalho Chehab , Marek Szyprowski , IOMMU DRIVERS , Joerg Roedel , Robin Murphy , Linux Doc Mailing List , Linux Kernel Mailing List , Linux Media Mailing List , Tomasz Figa , Sergey Senozhatsky Subject: Re: [PATCH] WIP! media: uvcvideo: Use dma_alloc_noncontiguos API Message-ID: <20201124133315.GA30214@lst.de> References: <20200930160917.1234225-9-hch@lst.de> <20201118142546.170621-1-ribalda@chromium.org> <20201124113512.GA21974@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, Nov 24, 2020 at 01:01:33PM +0100, Ricardo Ribalda wrote: > I was hoping that you could answer that question :). > > Do you have other use-cases than linux-media in mind? > > I think Sergey wants to experiment also with vb2, to figure out how > much it affects it. > His change will be much more complicated than mine thought, there are > more cornercases there. I don't have anything urgend lined up, although I think there are plenty other potential use cases. > > Can you respost a combined series to get started? > > Sure. Shall I also include the profiling patch? That is in the media code, right? I don't really care too much.