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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 CD64EC2D0D0 for ; Mon, 23 Dec 2019 11:41:49 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 9B12920709 for ; Mon, 23 Dec 2019 11:41:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B12920709 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 65EDE85E40; Mon, 23 Dec 2019 11:41:49 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sawVsJKlRf5T; Mon, 23 Dec 2019 11:41:48 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 8EC9585E07; Mon, 23 Dec 2019 11:41:48 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6EF93C1D81; Mon, 23 Dec 2019 11:41:48 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5BCB5C0881; Mon, 23 Dec 2019 11:41:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 25B83820E4; Mon, 23 Dec 2019 11:41:47 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hlw0FazGmmGa; Mon, 23 Dec 2019 11:41:46 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by hemlock.osuosl.org (Postfix) with ESMTPS id 366988791E; Mon, 23 Dec 2019 11:41:46 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Dec 2019 03:41:45 -0800 X-IronPort-AV: E=Sophos;i="5.69,347,1571727600"; d="scan'208";a="211530914" Received: from jnikula-mobl3.fi.intel.com (HELO localhost) ([10.237.66.161]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Dec 2019 03:41:35 -0800 From: Jani Nikula To: Robin Murphy , Tom Murphy , iommu@lists.linux-foundation.org Subject: Re: [PATCH 0/8] Convert the intel iommu driver to the dma-iommu api In-Reply-To: <432d306c-fe9f-75b2-f0f7-27698f1467ad@arm.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20191221150402.13868-1-murphyt7@tcd.ie> <87blrzwcn8.fsf@intel.com> <432d306c-fe9f-75b2-f0f7-27698f1467ad@arm.com> Date: Mon, 23 Dec 2019 13:41:33 +0200 Message-ID: <87o8vzuv4i.fsf@intel.com> MIME-Version: 1.0 Cc: Heiko Stuebner , kvm@vger.kernel.org, David Airlie , Joonas Lahtinen , dri-devel@lists.freedesktop.org, Bjorn Andersson , linux-tegra@vger.kernel.org, Julien Grall , Thierry Reding , Will Deacon , Jean-Philippe Brucker , linux-samsung-soc@vger.kernel.org, Marc Zyngier , Krzysztof Kozlowski , Jonathan Hunter , linux-rockchip@lists.infradead.org, Andy Gross , linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-arm-msm@vger.kernel.org, intel-gfx@lists.freedesktop.org, Alex Williamson , linux-mediatek@lists.infradead.org, Rodrigo Vivi , Matthias Brugger , Thomas Gleixner , virtualization@lists.linux-foundation.org, Gerald Schaefer , Cornelia Huck , linux-kernel@vger.kernel.org, Kukjin Kim , Daniel Vetter , David Woodhouse 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="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gTW9uLCAyMyBEZWMgMjAxOSwgUm9iaW4gTXVycGh5IDxyb2Jpbi5tdXJwaHlAYXJtLmNvbT4g d3JvdGU6Cj4gT24gMjAxOS0xMi0yMyAxMDozNyBhbSwgSmFuaSBOaWt1bGEgd3JvdGU6Cj4+IE9u IFNhdCwgMjEgRGVjIDIwMTksIFRvbSBNdXJwaHkgPG11cnBoeXQ3QHRjZC5pZT4gd3JvdGU6Cj4+ PiBUaGlzIHBhdGNoc2V0IGNvbnZlcnRzIHRoZSBpbnRlbCBpb21tdSBkcml2ZXIgdG8gdGhlIGRt YS1pb21tdSBhcGkuCj4+Pgo+Pj4gV2hpbGUgY29udmVydGluZyB0aGUgZHJpdmVyIEkgZXhwb3Nl ZCBhIGJ1ZyBpbiB0aGUgaW50ZWwgaTkxNSBkcml2ZXIKPj4+IHdoaWNoIGNhdXNlcyBhIGh1Z2Ug YW1vdW50IG9mIGFydGlmYWN0cyBvbiB0aGUgc2NyZWVuIG9mIG15Cj4+PiBsYXB0b3AuIFlvdSBj YW4gc2VlIGEgcGljdHVyZSBvZiBpdCBoZXJlOgo+Pj4gaHR0cHM6Ly9naXRodWIuY29tL3BpcHB5 MzYwL2tlcm5lbFBhdGNoZXMvYmxvYi9tYXN0ZXIvSU1HXzIwMTkxMjE5XzIyNTkyMi5qcGcKPj4+ Cj4+PiBUaGlzIGlzc3VlIGlzIG1vc3QgbGlrZWx5IGluIHRoZSBpOTE1IGRyaXZlciBhbmQgaXMg bW9zdCBsaWtlbHkgY2F1c2VkCj4+PiBieSB0aGUgZHJpdmVyIG5vdCByZXNwZWN0aW5nIHRoZSBy ZXR1cm4gdmFsdWUgb2YgdGhlCj4+PiBkbWFfbWFwX29wczo6bWFwX3NnIGZ1bmN0aW9uLiBZb3Ug Y2FuIHNlZSB0aGUgZHJpdmVyIGlnbm9yaW5nIHRoZQo+Pj4gcmV0dXJuIHZhbHVlIGhlcmU6Cj4+ PiBodHRwczovL2dpdGh1Yi5jb20vdG9ydmFsZHMvbGludXgvYmxvYi83ZTAxNjViMmYxYTkxMmEw NmUzODFlOTFmMGY0ZTQ5NWY0YWMzNzM2L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2dlbS9pOTE1X2dl bV9kbWFidWYuYyNMNTEKPj4+Cj4+PiBQcmV2aW91c2x5IHRoaXMgZGlkbuKAmXQgY2F1c2UgaXNz dWVzIGJlY2F1c2UgdGhlIGludGVsIG1hcF9zZyBhbHdheXMKPj4+IHJldHVybmVkIHRoZSBzYW1l IG51bWJlciBvZiBlbGVtZW50cyBhcyB0aGUgaW5wdXQgc2NhdHRlciBnYXRoZXIgbGlzdAo+Pj4g YnV0IHdpdGggdGhlIGNoYW5nZSB0byB0aGlzIGRtYS1pb21tdSBhcGkgdGhpcyBpcyBubyBsb25n ZXIgdGhlCj4+PiBjYXNlLiBJIHdhc27igJl0IGFibGUgdG8gdHJhY2sgdGhlIGJ1ZyBkb3duIHRv IGEgc3BlY2lmaWMgbGluZSBvZiBjb2RlCj4+PiB1bmZvcnR1bmF0ZWx5Lgo+Pj4KPj4+IENvdWxk IHNvbWVvbmUgZnJvbSB0aGUgaW50ZWwgdGVhbSBsb29rIGF0IHRoaXM/Cj4+IAo+PiBMZXQgbWUg Z2V0IHRoaXMgc3RyYWlnaHQuIFRoZXJlIGlzIGN1cnJlbnQgQVBJIHRoYXQgb24gc3VjY2VzcyBh bHdheXMKPj4gcmV0dXJucyB0aGUgc2FtZSBudW1iZXIgb2YgZWxlbWVudHMgYXMgdGhlIGlucHV0 IHNjYXR0ZXIgZ2F0aGVyCj4+IGxpc3QuIFlvdSBwcm9wb3NlIHRvIGNoYW5nZSB0aGUgQVBJIHNv IHRoYXQgdGhpcyBpcyBubyBsb25nZXIgdGhlIGNhc2U/Cj4KPiBObywgdGhlIEFQSSBmb3IgZG1h X21hcF9zZygpIGhhcyBhbHdheXMgYmVlbiB0aGF0IGl0IG1heSByZXR1cm4gZmV3ZXIgCj4gRE1B IHNlZ21lbnRzIHRoYW4gbmVudHMgLSBzZWUgRG9jdW1lbnRhdGlvbi9ETUEtQVBJLnR4dCAoYW5k IG90aGVyd2lzZSwgCj4gdGhlIHJldHVybiB2YWx1ZSB3b3VsZCBzdXJlbHkgYmUgYSBzaW1wbGUg c3VjY2Vzcy9mYWlsIGNvbmRpdGlvbikuIAo+IFJlbHlpbmcgb24gYSBwYXJ0aWN1bGFyIGltcGxl bWVudGF0aW9uIGJlaGF2aW91ciBoYXMgbmV2ZXIgYmVlbiBzdHJpY3RseSAKPiBjb3JyZWN0LCBl dmVuIGlmIGl0IGRvZXMgaGFwcGVuIHRvIGJlIGEgdmVyeSBjb21tb24gYmVoYXZpb3VyLgo+Cj4+ IEEgcXVpY2sgY2hlY2sgb2YgdmFyaW91cyBkbWFfbWFwX3NnKCkgY2FsbHMgaW4gdGhlIGtlcm5l bCBzZWVtcyB0bwo+PiBpbmRpY2F0ZSBjaGVja2luZyBmb3IgMCBmb3IgZXJyb3JzIGFuZCB0aGVu IGlnbm9yaW5nIHRoZSBub24temVybyByZXR1cm4KPj4gaXMgYSBjb21tb24gcGF0dGVybi4gQXJl IHlvdSBzdXJlIGl0J3Mgb2theSB0byBtYWtlIHRoZSBjaGFuZ2UgeW91J3JlCj4+IHByb3Bvc2lu Zz8KPgo+IFZhcmlvdXMgY29kZSB1c2VzIHRyaWNrcyBsaWtlIGp1c3QgaXRlcmF0aW5nIHRoZSBt YXBwZWQgbGlzdCB1bnRpbCB0aGUgCj4gZmlyc3Qgc2VnbWVudCB3aXRoIHplcm8gc2dfZG1hX2xl bigpLiBPdGhlcnMgbWF5IHdlbGwgc2ltcGx5IGhhdmUgYnVncy4KClRoYW5rcyBmb3IgdGhlIGNs YXJpZmljYXRpb24uCgpCUiwKSmFuaS4KCj4KPiBSb2Jpbi4KPgo+PiBBbnl3YXksIGR1ZSB0byB0 aGUgdGltZSBvZiB5ZWFyIGFuZCBhbGwsIEknZCBsaWtlIHRvIGFzayB5b3UgdG8gZmlsZSBhCj4+ IGJ1ZyBhZ2FpbnN0IGk5MTUgYXQgWzFdIHNvIHRoaXMgaXMgbm90IGZvcmdvdHRlbiwgYW5kIHBs ZWFzZSBsZXQncyBub3QKPj4gbWVyZ2UgdGhlIGNoYW5nZXMgYmVmb3JlIHRoaXMgaXMgcmVzb2x2 ZWQuCj4+IAo+PiAKPj4gVGhhbmtzLAo+PiBKYW5pLgo+PiAKPj4gCj4+IFsxXSBodHRwczovL2dp dGxhYi5mcmVlZGVza3RvcC5vcmcvZHJtL2ludGVsL2lzc3Vlcy9uZXcKPj4gCj4+IAoKLS0gCkph bmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBHcmFwaGljcyBDZW50ZXIKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0Cmlv bW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0 aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11