Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp3930733pxb; Mon, 8 Feb 2021 03:55:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJxIQ540s7ZKfY4J6vQ5KyneCngTbXbxR80PYozVmpuvpxXDMUjBsM/PAEJ+5EmElRTWc6pD X-Received: by 2002:aa7:c90a:: with SMTP id b10mr16469448edt.216.1612785337115; Mon, 08 Feb 2021 03:55:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612785337; cv=none; d=google.com; s=arc-20160816; b=j2l5qYksDe67/aXp0/SBY5KH3uQn8ltdXZaG9IquZYr2ecLTFN3FQX5lMbw0zX6Mov Ts8L8KUvC06CwrowhXP4LHaaHR60YpM8TZaUvQ5+axCxK18xUNrMfnvL4SvGaaUiUJWv 9GToMzEPFG+0n19k1H7P5mcR3aXRQzsc8tTxcQ7uwd0x28G1r27YMoTb9Jqnv8U1UBfH 2reDHev0F+g3vxYMF08cbYei1dSVmE80p/6wUGfzB4LJF3LZvTjEJ8MJpEN7WFl1nk2I aGt87LH6FuZ5P8T1LVOVfPxiTWvrnxufkECwtncb7+ldbF8zm0tE/Y1GN0EpjiIbqxyy TQ5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=SIdoO/BXrCF5ZGx1sncTZthErRH1ESME+fQ4iZ40G4Y=; b=gt52YLCkvKfmiHe9vPS1RHBMSvq2rFRLGzvmq9g/lNMr0bB66j6MaXsYrkJGJnJHzF R+xWDZhmmB/bAwgDtJ3Tn0beUIB6CwPxEIR8h1UUg9D6Zi34A2JDc9rQQgiCdb8iQjpo nIy5vUXBS3vjgHGNjwRgnReOjgxhNI81liqlRZ84GVrzXSrrXKof7AfZSrgvrClfvmUE VI5t4vtoG0wN0HFu6pzmqcQL567TcfxYxrCnVcNhp0JufHMr6rridKNkTW0rXCP8fKBE a+O8kXFbId58ga2rusxBegYO01xN+c13r64WaPzneo48JZ3w1AtOuGNOMuZs0qFLTTU7 /DtQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=R4FfWcgn; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dp16si12028483ejc.49.2021.02.08.03.55.13; Mon, 08 Feb 2021 03:55:37 -0800 (PST) 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; dkim=pass header.i=@chromium.org header.s=google header.b=R4FfWcgn; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233255AbhBHLyP (ORCPT + 99 others); Mon, 8 Feb 2021 06:54:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232256AbhBHLfN (ORCPT ); Mon, 8 Feb 2021 06:35:13 -0500 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCCC5C061786 for ; Mon, 8 Feb 2021 03:34:05 -0800 (PST) Received: by mail-ej1-x62b.google.com with SMTP id f14so24039187ejc.8 for ; Mon, 08 Feb 2021 03:34:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=SIdoO/BXrCF5ZGx1sncTZthErRH1ESME+fQ4iZ40G4Y=; b=R4FfWcgnRp7kfMDn8OHGmLFT1VfRqhYLNtKbqtkWdlb75NiARoNYeuQ8plgw69PUvK SrMHBkIe3taDYqbOgv3c7/zQ+MxGUpsl5Jfwyzx4OaASuL8ztU0r+HTymMJR6J0YvC16 zIfDdvWJe+eVik/zwfB7GuuftSM9ixQbVyhf0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=SIdoO/BXrCF5ZGx1sncTZthErRH1ESME+fQ4iZ40G4Y=; b=DYODFsTRueBRuKpk7N0g3gAmn0961mZVlTyy1mZBud5Cr9EdvH6V5y/Ye/W49cbrfQ NaSPFjHveSr+yH9xCrj+1y+w5KU8qVeAW50aveeXJQAeuy5C8PxaePoF4Tw2kdbzv/qy jYYpjIyCZdJzIqwhOHJgF+fUKabWfqA/hg5IJYd6oOZ8EHO7SFGNuyAeqD4iJGROCyiM m42ZbIa+OiPkuzPTi/b2e6qpWsjlxCB5dbrzGuB/mmMfzuB9gClaxLeonLbaRCY8ww/n 7vwZ+OEipa0wzeYoupdtQER1UceGhYA++72U61dfCC9zCB70s+ksup91dDVjU1nWSZ+F qvgw== X-Gm-Message-State: AOAM530brQhos0dPpj1HnjLtEUhmTj0IRIJkgoSdUpB6YHdz6jVA09jt cxVG1w9WYKZF9ShXWw4ui2zaDj3BAcDskg== X-Received: by 2002:a17:906:b001:: with SMTP id v1mr16423006ejy.217.1612784044140; Mon, 08 Feb 2021 03:34:04 -0800 (PST) Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com. [209.85.221.48]) by smtp.gmail.com with ESMTPSA id i13sm8421683ejj.2.2021.02.08.03.34.03 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Feb 2021 03:34:03 -0800 (PST) Received: by mail-wr1-f48.google.com with SMTP id g6so3657922wrs.11 for ; Mon, 08 Feb 2021 03:34:03 -0800 (PST) X-Received: by 2002:a5d:6404:: with SMTP id z4mr6111438wru.103.1612784042646; Mon, 08 Feb 2021 03:34:02 -0800 (PST) MIME-Version: 1.0 References: <20210202095110.1215346-1-hch@lst.de> <20210207184855.GA27553@lst.de> In-Reply-To: <20210207184855.GA27553@lst.de> From: Tomasz Figa Date: Mon, 8 Feb 2021 20:33:50 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: add a new dma_alloc_noncontiguous API v2 To: Christoph Hellwig Cc: Mauro Carvalho Chehab , Marek Szyprowski , Ricardo Ribalda , Sergey Senozhatsky , "open list:IOMMU DRIVERS" , Linux Media Mailing List , Robin Murphy , Linux Kernel Mailing List , Linux Doc Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Christoph, On Mon, Feb 8, 2021 at 3:49 AM Christoph Hellwig wrote: > > Any comments? > Sorry for the delay. The whole series looks very good to me. Thanks a lot. Reviewed-by: Tomasz Figa Best regards, Tomasz > On Tue, Feb 02, 2021 at 10:51:03AM +0100, Christoph Hellwig wrote: > > Hi all, > > > > this series adds the new noncontiguous DMA allocation API requested by > > various media driver maintainers. > > > > 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---