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=-5.2 required=3.0 tests=BAYES_00, 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 E503CC433E6 for ; Thu, 11 Mar 2021 16:52:57 +0000 (UTC) Received: from smtp3.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 3F66B64FE9 for ; Thu, 11 Mar 2021 16:52:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F66B64FE9 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 smtp3.osuosl.org (Postfix) with ESMTP id C4336605DE; Thu, 11 Mar 2021 16:52:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m-0ramgjsBZP; Thu, 11 Mar 2021 16:52:56 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTP id D69E7605BF; Thu, 11 Mar 2021 16:52:55 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id C1711C000C; Thu, 11 Mar 2021 16:52:55 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 67B82C000A for ; Thu, 11 Mar 2021 16:52:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 5695F43006 for ; Thu, 11 Mar 2021 16:52:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nLi5OQ2xvpjk for ; Thu, 11 Mar 2021 16:52:53 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp2.osuosl.org (Postfix) with ESMTPS id 8AED442FFD for ; Thu, 11 Mar 2021 16:52:53 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 01DE668B05; Thu, 11 Mar 2021 17:52:51 +0100 (CET) Date: Thu, 11 Mar 2021 17:52:50 +0100 From: Christoph Hellwig To: Mauro Carvalho Chehab , Marek Szyprowski , Tomasz Figa , Ricardo Ribalda , Sergey Senozhatsky , Laurent Pinchart , iommu@lists.linux-foundation.org Subject: Re: add a new dma_alloc_noncontiguous API v3 Message-ID: <20210311165250.GB25023@lst.de> References: <20210301085236.947011-1-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210301085236.947011-1-hch@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-doc@vger.kernel.org, Robin Murphy , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org 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="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Any comments? Especially on the uvcvideo conversion? On Mon, Mar 01, 2021 at 09:52:30AM +0100, Christoph Hellwig wrote: > Hi all, > > this series adds the new noncontiguous DMA allocation API requested by > various media driver maintainers. > > Changes since v2: > - rebased to Linux 5.12-rc1 > - dropped one already merged patch > - pass an attrs argument to dma_alloc_noncontigous > - clarify the dma_vmap_noncontiguous documentation a bit > - fix double assignments in uvcvideo > > Changes since v1: > - document that flush_kernel_vmap_range and invalidate_kernel_vmap_range > must be called once an allocation is mapped into KVA > - add dma-debug support > - remove the separate dma_handle argument, and instead create fully formed > DMA mapped scatterlists > - use a directional allocation in uvcvideo > - call invalidate_kernel_vmap_range from uvcvideo > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu ---end quoted text--- _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu