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Thu, 16 Apr 2020 03:45:35 -0400 X-MC-Unique: UyxvZ--jPOSsOW2DrZQkxw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7354A8017F5; Thu, 16 Apr 2020 07:45:32 +0000 (UTC) Received: from [10.36.115.53] (ovpn-115-53.ams2.redhat.com [10.36.115.53]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 943CE60BE0; Thu, 16 Apr 2020 07:45:25 +0000 (UTC) Subject: Re: [PATCH v11 00/13] SMMUv3 Nested Stage Setup (IOMMU part) To: Zhangfei Gao , eric.auger.pro@gmail.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, will@kernel.org, joro@8bytes.org, maz@kernel.org, robin.murphy@arm.com References: <20200414150607.28488-1-eric.auger@redhat.com> From: Auger Eric Message-ID: <06fe02f7-2556-8986-2f1e-dcdf59773b8c@redhat.com> Date: Thu, 16 Apr 2020 09:45:24 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Cc: jean-philippe@linaro.org, peter.maydell@linaro.org, alex.williamson@redhat.com, bbhushan2@marvell.com 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" SGkgWmhhbmdmZWksCgpPbiA0LzE2LzIwIDY6MjUgQU0sIFpoYW5nZmVpIEdhbyB3cm90ZToKPiAK PiAKPiBPbiAyMDIwLzQvMTQg5LiL5Y2IMTE6MDUsIEVyaWMgQXVnZXIgd3JvdGU6Cj4+IFRoaXMg dmVyc2lvbiBmaXhlcyBhbiBpc3N1ZSBvYnNlcnZlZCBieSBTaGFtZWVyIG9uIGFuIFNNTVUgMy4y LAo+PiB3aGVuIG1vdmluZyBmcm9tIGR1YWwgc3RhZ2UgY29uZmlnIHRvIHN0YWdlIDEgb25seSBj b25maWcuCj4+IFRoZSAyIGhpZ2ggNjRiIG9mIHRoZSBTVEUgbm93IGdldCByZXNldC4gT3RoZXJ3 aXNlLCBsZWF2aW5nIHRoZQo+PiBTMlRUQiBzZXQgbWF5IGNhdXNlIGEgQ19CQURfU1RFIGVycm9y Lgo+Pgo+PiBUaGlzIHNlcmllcyBjYW4gYmUgZm91bmQgYXQ6Cj4+IGh0dHBzOi8vZ2l0aHViLmNv bS9lYXVnZXIvbGludXgvdHJlZS92NS42LTJzdGFnZS12MTFfMTAuMQo+PiAoaW5jbHVkaW5nIHRo ZSBWRklPIHBhcnQpCj4+IFRoZSBRRU1VIGZlbGxvdyBzZXJpZXMgc3RpbGwgY2FuIGJlIGZvdW5k IGF0Ogo+PiBodHRwczovL2dpdGh1Yi5jb20vZWF1Z2VyL3FlbXUvdHJlZS92NC4yLjAtMnN0YWdl LXJmY3Y2Cj4+Cj4+IFVzZXJzIGhhdmUgZXhwcmVzc2VkIGludGVyZXN0IGluIHRoYXQgd29yayBh bmQgdGVzdGVkIHY5L3YxMDoKPj4gLSBodHRwczovL3BhdGNod29yay5rZXJuZWwub3JnL2NvdmVy LzExMDM5OTk1LyMyMzAxMjM4MQo+PiAtIGh0dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvY292 ZXIvMTEwMzk5OTUvIzIzMTk3MjM1Cj4+Cj4+IEJhY2tncm91bmQ6Cj4+Cj4+IFRoaXMgc2VyaWVz IGJyaW5ncyB0aGUgSU9NTVUgcGFydCBvZiBIVyBuZXN0ZWQgcGFnaW5nIHN1cHBvcnQKPj4gaW4g dGhlIFNNTVV2My4gVGhlIFZGSU8gcGFydCBpcyBzdWJtaXR0ZWQgc2VwYXJhdGVseS4KPj4KPj4g VGhlIElPTU1VIEFQSSBpcyBleHRlbmRlZCB0byBzdXBwb3J0IDIgbmV3IEFQSSBmdW5jdGlvbmFs aXRpZXM6Cj4+IDEpIHBhc3MgdGhlIGd1ZXN0IHN0YWdlIDEgY29uZmlndXJhdGlvbgo+PiAyKSBw YXNzIHN0YWdlIDEgTVNJIGJpbmRpbmdzCj4+Cj4+IFRoZW4gdGhvc2UgY2FwYWJpbGl0aWVzIGdl dHMgaW1wbGVtZW50ZWQgaW4gdGhlIFNNTVV2MyBkcml2ZXIuCj4+Cj4+IFRoZSB2aXJ0dWFsaXpl ciBwYXNzZXMgaW5mb3JtYXRpb24gdGhyb3VnaCB0aGUgVkZJTyB1c2VyIEFQSQo+PiB3aGljaCBj YXNjYWRlcyB0aGVtIHRvIHRoZSBpb21tdSBzdWJzeXN0ZW0uIFRoaXMgYWxsb3dzIHRoZSBndWVz dAo+PiB0byBvd24gc3RhZ2UgMSB0YWJsZXMgYW5kIGNvbnRleHQgZGVzY3JpcHRvcnMgKHNvLWNh bGxlZCBQQVNJRAo+PiB0YWJsZSkgd2hpbGUgdGhlIGhvc3Qgb3ducyBzdGFnZSAyIHRhYmxlcyBh bmQgbWFpbiBjb25maWd1cmF0aW9uCj4+IHN0cnVjdHVyZXMgKFNURSkuCj4+Cj4+Cj4gCj4gVGhh bmtzIEVyaWMKPiAKPiBUZXN0ZWQgdjExIG9uIEhpc2lsaWNvbiBrdW5wZW5nOTIwIGJvYXJkIHZp YSBoYXJkd2FyZSB6aXAgYWNjZWxlcmF0b3IuCj4gMS4gbm8tc3ZhIHdvcmtzLCB3aGVyZSBndWVz dCBhcHAgZGlyZWN0bHkgdXNlIHBoeXNpY2FsIGFkZHJlc3MgdmlhIGlvY3RsLgpUaGFuayB5b3Ug Zm9yIHRoZSB0ZXN0aW5nLiBHbGFkIGl0IHdvcmtzIGZvciB5b3UuCj4gMi4gdlNWQSBzdGlsbCBu b3Qgd29yaywgc2FtZSBhcyB2MTAsClllcyB0aGF0J3Mgbm9ybWFsIHRoaXMgc2VyaWVzIGlzIG5v dCBtZWFudCB0byBzdXBwb3J0IHZTVk0gYXQgdGhpcyBzdGFnZS4KCkkgaW50ZW5kIHRvIGFkZCB0 aGUgbWlzc2luZyBwaWVjZXMgZHVyaW5nIHRoZSBuZXh0IHdlZWtzLgoKVGhhbmtzCgpFcmljCj4g My7CoCB0aGUgdjEwIGlzc3VlIHJlcG9ydGVkIGJ5IFNoYW1lZXIgaGFzIGJlZW4gc29sdmVkLMKg IGZpcnN0IHN0YXJ0IHFlbXUKPiB3aXRowqAgaW9tbXU9c21tdXYzLCB0aGVuIHN0YXJ0IHFlbXUg d2l0aG91dMKgIGlvbW11PXNtbXV2Mwo+IDQuIG5vLXN2YSBhbHNvIHdvcmtzIHdpdGhvdXTCoCBp b21tdT1zbW11djMKPiAKPiBUZXN0IGRldGFpbHMgaW4gaHR0cHM6Ly9kb2NzLnFxLmNvbS9kb2Mv RFJVNW9SMU50VUVSc2VGTkwKPiAKPiBUaGFua3MKPiAKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5s aW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFp bG1hbi9saXN0aW5mby9pb21tdQ==