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d="scan'208";a="480079848" Received: from sderix-mobl1.ger.corp.intel.com (HELO [10.214.213.131]) ([10.214.213.131]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2020 08:56:33 -0700 Subject: Re: [Intel-gfx] [PATCH 0/8] Convert the intel iommu driver to the dma-iommu api To: Logan Gunthorpe , Tom Murphy References: <20191221150402.13868-1-murphyt7@tcd.ie> <465815ae-9292-f37a-59b9-03949cb68460@deltatee.com> <20200529124523.GA11817@infradead.org> <33137cfb-603c-86e8-1091-f36117ecfaf3@deltatee.com> <766525c3-4da9-6db7-cd90-fb4b82cd8083@deltatee.com> <60a82319-cbee-4cd1-0d5e-3c407cc51330@linux.intel.com> From: Tvrtko Ursulin Organization: Intel Corporation UK Plc Message-ID: Date: Tue, 8 Sep 2020 16:56:30 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Cc: kvm@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Julien Grall , Will Deacon , Jean-Philippe Brucker , linux-samsung-soc@vger.kernel.org, Marc Zyngier , Krzysztof Kozlowski , Jonathan Hunter , Christoph Hellwig , linux-rockchip@lists.infradead.org, Andy Gross , Gerald Schaefer , linux-s390@vger.kernel.org, linux-arm-msm@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Matthias Brugger , Thomas Gleixner , virtualization@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Robin Murphy , Cornelia Huck , Linux Kernel Mailing List , iommu@lists.linux-foundation.org, Kukjin Kim , 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Ck9uIDA4LzA5LzIwMjAgMTY6NDQsIExvZ2FuIEd1bnRob3JwZSB3cm90ZToKPiBPbiAyMDIwLTA5 LTA4IDk6MjggYS5tLiwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Pgo+Pj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfc2NhdHRlcmxpc3QuaAo+Pj4gYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1Cj4+PiBpbmRleCBiN2I1OTMyOGNiNzYuLjkzNjdhYzgwMWYwYyAxMDA2 NDQKPj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfc2NhdHRlcmxpc3QuaAo+Pj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9zY2F0dGVybGlzdC5oCj4+PiBAQCAtMjcs MTMgKzI3LDE5IEBAIHN0YXRpYyBfX2Fsd2F5c19pbmxpbmUgc3RydWN0IHNndF9pdGVyIHsKPj4+ ICDCoCB9IF9fc2d0X2l0ZXIoc3RydWN0IHNjYXR0ZXJsaXN0ICpzZ2wsIGJvb2wgZG1hKSB7Cj4+ PiAgwqDCoMKgwqDCoMKgwqDCoCBzdHJ1Y3Qgc2d0X2l0ZXIgcyA9IHsgLnNncCA9IHNnbCB9Owo+ Pj4KPj4+ICvCoMKgwqDCoMKgwqAgaWYgKHNnbCAmJiAhc2dfZG1hX2xlbihzLnNncCkpCj4+Cj4+ IEknZCBleHRlbmQgdGhlIGNvbmRpdGlvbiB0byBiZSwganVzdCB0byBiZSBzYWZlOgo+PiAgwqDC oMKgwqBpZiAoZG1hICYmIHNnbCAmJiAhc2dfZG1hX2xlbihzLnNncCkpCj4+Cj4gCj4gUmlnaHQs IGdvb2QgY2F0Y2gsIHRoYXQncyBkZWZpbml0ZWx5IG5lY2Vzc2FyeS4KPiAKPj4+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgIHMuc2dwID0gTlVMTDsKPj4+ICsKPj4+ICDCoMKgwqDCoMKg wqDCoMKgIGlmIChzLnNncCkgewo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg IHMubWF4ID0gcy5jdXJyID0gcy5zZ3AtPm9mZnNldDsKPj4+IC3CoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgIHMubWF4ICs9IHMuc2dwLT5sZW5ndGg7Cj4+PiAtwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoCBpZiAoZG1hKQo+Pj4gKwo+Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgaWYgKGRtYSkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgIHMubWF4ICs9IHNnX2RtYV9sZW4ocy5zZ3ApOwo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBzLmRtYSA9IHNnX2RtYV9hZGRyZXNzKHMu c2dwKTsKPj4+IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGVsc2UKPj4+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgIH0gZWxzZSB7Cj4+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcy5tYXggKz0gcy5zZ3AtPmxlbmd0aDsKPj4+ICDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcy5wZm4gPSBwYWdl X3RvX3BmbihzZ19wYWdlKHMuc2dwKSk7Cj4+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oCB9Cj4+Cj4+IE90aGVyd2lzZSBoYXMgdGhpcyBiZWVuIHRlc3RlZCBvciBhbHRlcm5hdGl2ZWx5 IGhvdyB0byB0ZXN0IGl0PyAoSG93IHRvCj4+IHJlcHJvIHRoZSBpc3N1ZS4pCj4gCj4gSXQgaGFz IG5vdCBiZWVuIHRlc3RlZC4gVG8gdGVzdCBpdCwgeW91IG5lZWQgVG9tJ3MgcGF0Y2ggc2V0IHdp dGhvdXQgdGhlCj4gbGFzdCAiRE8gTk9UIE1FUkdFIiBwYXRjaDoKPiAKPiBodHRwczovL2xrbWwu a2VybmVsLm9yZy9sa21sLzIwMjAwOTA3MDcwMDM1LkdBMjUxMTRAaW5mcmFkZWFkLm9yZy9ULwoK VG9tLCBkbyB5b3UgaGF2ZSBhIGJyYW5jaCBzb21ld2hlcmUgSSBjb3VsZCBwdWxsIGZyb20/IChK dXN0IGJlaW5nIGxhenkgCmFib3V0IGRvd25sb2FkaW5nIGEgYnVuY2ggb2YgbWVzc2FnZXMgZnJv bSB0aGUgYXJjaGl2ZXMuKQoKV2hhdCBHUFUgaXMgaW4geW91ciBMZW5vdm8geDEgY2FyYm9uIDV0 aCBnZW5lcmF0aW9uIGFuZCB3aGF0IApncmFwaGljYWwvZGVza3RvcCBzZXR1cCBJIG5lZWQgdG8g cmVwcm8/CgpSZWdhcmRzLAoKVHZydGtvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3Vu ZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0 aW5mby9pb21tdQ==