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ESMTPSA id x22sm4713384pfn.10.2021.05.31.22.08.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 May 2021 22:08:35 -0700 (PDT) Subject: Re: [RFC] /dev/ioasid uAPI proposal To: Liu Yi L References: <20210531164118.265789ee@yiliu-dev> <78ee2638-1a03-fcc8-50a5-81040f677e69@redhat.com> <20210601113152.6d09e47b@yiliu-dev> From: Jason Wang Message-ID: <164ee532-17b0-e180-81d3-12d49b82ac9f@redhat.com> Date: Tue, 1 Jun 2021 13:08:29 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210601113152.6d09e47b@yiliu-dev> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: "Tian, Kevin" , "Alex Williamson \(alex.williamson@redhat.com\)\"\"" , "kvm@vger.kernel.org" , Jonathan Corbet , LKML , "iommu@lists.linux-foundation.org" , Jason Gunthorpe , 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" CuWcqCAyMDIxLzYvMSDkuIrljYgxMTozMSwgTGl1IFlpIEwg5YaZ6YGTOgo+IE9uIFR1ZSwgMSBK dW4gMjAyMSAxMDozNjozNiArMDgwMCwgSmFzb24gV2FuZyB3cm90ZToKPgo+PiDlnKggMjAyMS81 LzMxIOS4i+WNiDQ6NDEsIExpdSBZaSBMIOWGmemBkzoKPj4+PiBJIGd1ZXNzIFZGSU9fQVRUQUNI X0lPQVNJRCB3aWxsIGZhaWwgaWYgdGhlIHVuZGVybGF5ZXIgZG9lc24ndCBzdXBwb3J0Cj4+Pj4g aGFyZHdhcmUgbmVzdGluZy4gT3IgaXMgdGhlcmUgd2F5IHRvIGRldGVjdCB0aGUgY2FwYWJpbGl0 eSBiZWZvcmU/Cj4+PiBJIHRoaW5rIGl0IGNvdWxkIGZhaWwgaW4gdGhlIElPQVNJRF9DUkVBVEVf TkVTVElORy4gSWYgdGhlIGdwYV9pb2FzaWQKPj4+IGlzIG5vdCBhYmxlIHRvIHN1cHBvcnQgbmVz 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