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([2a01:e0a:59e:9d80:527b:9dff:feef:3874]) by smtp.gmail.com with ESMTPSA id l3sm2033529wmq.46.2021.12.07.23.33.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Dec 2021 23:33:35 -0800 (PST) Subject: Re: [RFC v16 1/9] iommu: Introduce attach/detach_pasid_table API To: Lu Baolu , Joerg Roedel References: <20211027104428.1059740-1-eric.auger@redhat.com> <20211027104428.1059740-2-eric.auger@redhat.com> From: Eric Auger Message-ID: Date: Wed, 8 Dec 2021 08:33:33 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eric.auger@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: kevin.tian@intel.com, lushenming@huawei.com, ashok.raj@intel.com, kvm@vger.kernel.org, jean-philippe@linaro.org, maz@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, vsethi@nvidia.com, vivek.gautam@arm.com, alex.williamson@redhat.com, Jason Gunthorpe , wangxingang5@huawei.com, zhangfei.gao@linaro.org, robin.murphy@arm.com, will@kernel.org, kvmarm@lists.cs.columbia.edu, eric.auger.pro@gmail.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list Reply-To: eric.auger@redhat.com List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu SGkgQmFvbHUsCgpPbiAxMi84LzIxIDM6NDQgQU0sIEx1IEJhb2x1IHdyb3RlOgo+IEhpIEVyaWMs Cj4KPiBPbiAxMi83LzIxIDY6MjIgUE0sIEVyaWMgQXVnZXIgd3JvdGU6Cj4+IE9uIDEyLzYvMjEg MTE6NDggQU0sIEpvZXJnIFJvZWRlbCB3cm90ZToKPj4+IE9uIFdlZCwgT2N0IDI3LCAyMDIxIGF0 IDEyOjQ0OjIwUE0gKzAyMDAsIEVyaWMgQXVnZXIgd3JvdGU6Cj4+Pj4gU2lnbmVkLW9mZi1ieTog SmVhbi1QaGlsaXBwZSBCcnVja2VyPGplYW4tcGhpbGlwcGUuYnJ1Y2tlckBhcm0uY29tPgo+Pj4+ IFNpZ25lZC1vZmYtYnk6IExpdSwgWWkgTDx5aS5sLmxpdUBsaW51eC5pbnRlbC5jb20+Cj4+Pj4g U2lnbmVkLW9mZi1ieTogQXNob2sgUmFqPGFzaG9rLnJhakBpbnRlbC5jb20+Cj4+Pj4gU2lnbmVk LW9mZi1ieTogSmFjb2IgUGFuPGphY29iLmp1bi5wYW5AbGludXguaW50ZWwuY29tPgo+Pj4+IFNp Z25lZC1vZmYtYnk6IEVyaWMgQXVnZXI8ZXJpYy5hdWdlckByZWRoYXQuY29tPgo+Pj4gVGhpcyBT aWduZWQtb2YtYnkgY2hhaW4gbG9va3MgZHViaW91cywgeW91IGFyZSB0aGUgYXV0aG9yIGJ1dCB0 aGUgbGFzdAo+Pj4gb25lIGluIHRoZSBjaGFpbj8KPj4gVGhlIDFzdCBSRkMgaW4gQXVnIDIwMTgK Pj4gKGh0dHBzOi8vbGlzdHMuY3MuY29sdW1iaWEuZWR1L3BpcGVybWFpbC9rdm1hcm0vMjAxOC1B dWd1c3QvMDMyNDc4Lmh0bWwpCj4+IHNhaWQgdGhpcyB3YXMgYSBnZW5lcmFsaXphdGlvbiBvZiBK YWNvYidzIHBhdGNoCj4+Cj4+Cj4+IMKgwqAgW1BBVENIIHY1IDAxLzIzXSBpb21tdTogaW50cm9k dWNlIGJpbmRfcGFzaWRfdGFibGUgQVBJIGZ1bmN0aW9uCj4+Cj4+Cj4+IMKgwqAKPj4gaHR0cHM6 Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL3BpcGVybWFpbC9pb21tdS8yMDE4LU1heS8wMjc2 NDcuaHRtbAo+Pgo+PiBTbyBpbmRlZWQgSmFjb2Igc2hvdWxkIGJlIHRoZSBhdXRob3IuIEkgZ3Vl c3MgdGhlIG11bHRpcGxlIHJlYmFzZXMgZ290Cj4+IHRoaXMgZXZlbnR1YWxseSByZXBsYWNlZCBh dCBzb21lIHBvaW50LCB3aGljaCBpcyBub3QgYW4gZXhjdXNlLiBQbGVhc2UKPj4gZm9yZ2l2ZSBt ZSBmb3IgdGhhdC4KPj4gTm93IHRoZSBvcmlnaW5hbCBwYXRjaCBhbHJlYWR5IGhhZCB0aGlzIGxp c3Qgb2YgU29CIHNvIEkgZG9uJ3Qga25vdyBpZiBJCj4+IHNoYWxsIHNpbXBsaWZ5IGl0Lgo+Cj4g QXMgd2UgaGF2ZSBkZWNpZGVkIHRvIG1vdmUgdGhlIG5lc3RlZCBtb2RlIChkdWFsIHN0YWdlcykg aW1wbGVtZW50YXRpb24KPiBvbnRvIHRoZSBkZXZlbG9waW5nIGlvbW11ZmQgZnJhbWV3b3JrLCB3 aGF0J3MgdGhlIHZhbHVlIG9mIGFkZGluZyB0aGlzCj4gaW50byBpb21tdSBjb3JlPwoKVGhlIGlv bW11X3VhcGlfYXR0YWNoX3Bhc2lkX3RhYmxlIHVhcGkgc2hvdWxkIGRpc2FwcGVhciBpbmRlZWQg YXMgaXQgaXMKaXMgYm91bmQgdG8gYmUgcmVwbGFjZWQgYnkgL2Rldi9pb21tdSBmZWxsb3cgQVBJ LgpIb3dldmVyIHVudGlsIEkgY2FuIHJlYmFzZSBvbiAvZGV2L2lvbW11IGNvZGUgSSBhbSBvYmxp Z2VkIHRvIGtlZXAgaXQgdG8KbWFpbnRhaW4gdGhpcyBpbnRlZ3JhdGlvbiwgaGVuY2UgdGhlIFJG Qy4KClRoYW5rcwoKRXJpYwo+Cj4gQmVzdCByZWdhcmRzLAo+IGJhb2x1Cj4KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmt2bWFybSBtYWlsaW5nIGxpc3QK a3ZtYXJtQGxpc3RzLmNzLmNvbHVtYmlhLmVkdQpodHRwczovL2xpc3RzLmNzLmNvbHVtYmlhLmVk dS9tYWlsbWFuL2xpc3RpbmZvL2t2bWFybQo=