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bh=iYT4yJTC86HCuhZrmDLNovfzTFC4qveUrUuvrfHdzTQ=; b=WRPiETqdP6mq9ralbesnKbWLeEg1Ps32KHgLUePJjNiBx7WaVTH0Hvv1hiFhFBOyA1BuBw H9ICcbXxuZQPcToFae+LsJMONbLNLPCkINuLHSyNdJ/1u8b+5ofCdDl0cEWkbby40dr8En NIXqes5qjsdOK4tM/Tguof47WTpY5UI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-602-wLIrvw3yMeqg6KUvwwbuZw-1; Thu, 01 Apr 2021 07:48:58 -0400 X-MC-Unique: wLIrvw3yMeqg6KUvwwbuZw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4BC36107ACCD; Thu, 1 Apr 2021 11:48:55 +0000 (UTC) Received: from [10.36.112.13] (ovpn-112-13.ams2.redhat.com [10.36.112.13]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9B7DC19C46; Thu, 1 Apr 2021 11:48:46 +0000 (UTC) Subject: Re: [PATCH v14 13/13] iommu/smmuv3: Accept configs with more than one context descriptor To: Zenghui Yu References: <20210223205634.604221-1-eric.auger@redhat.com> <20210223205634.604221-14-eric.auger@redhat.com> <86614466-3c74-3a38-5f2e-6ac2f55c309a@huawei.com> From: Auger Eric Message-ID: Date: Thu, 1 Apr 2021 13:48:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <86614466-3c74-3a38-5f2e-6ac2f55c309a@huawei.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Cc: kvm@vger.kernel.org, vivek.gautam@arm.com, kvmarm@lists.cs.columbia.edu, eric.auger.pro@gmail.com, jean-philippe@linaro.org, wangxingang5@huawei.com, maz@kernel.org, jiangkunkun@huawei.com, vsethi@nvidia.com, zhangfei.gao@linaro.org, will@kernel.org, alex.williamson@redhat.com, wanghaibin.wang@huawei.com, linux-kernel@vger.kernel.org, lushenming@huawei.com, iommu@lists.linux-foundation.org, robin.murphy@arm.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" SGkgWmVuZ2h1aSwKCk9uIDMvMzAvMjEgMTE6MjMgQU0sIFplbmdodWkgWXUgd3JvdGU6Cj4gSGkg RXJpYywKPiAKPiBPbiAyMDIxLzIvMjQgNDo1NiwgRXJpYyBBdWdlciB3cm90ZToKPj4gSW4gcHJl cGFyYXRpb24gZm9yIHZTVkEsIGxldCdzIGFjY2VwdCB1c2Vyc3BhY2UgcHJvdmlkZWQgY29uZmln cwo+PiB3aXRoIG1vcmUgdGhhbiBvbmUgQ0QuIFdlIGNoZWNrIHRoZSBtYXggQ0QgYWdhaW5zdCB0 aGUgaG9zdCBpb21tdQo+PiBjYXBhYmlsaXR5IGFuZCBhbHNvIHRoZSBmb3JtYXQgKGxpbmVhciB2 ZXJzdXMgMiBsZXZlbCkuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IEVyaWMgQXVnZXIgPGVyaWMuYXVn ZXJAcmVkaGF0LmNvbT4KPj4gU2lnbmVkLW9mZi1ieTogU2hhbWVlciBLb2xvdGh1bSA8c2hhbWVl cmFsaS5rb2xvdGh1bS50aG9kaUBodWF3ZWkuY29tPgo+PiAtLS0KPj4gwqAgZHJpdmVycy9pb21t dS9hcm0vYXJtLXNtbXUtdjMvYXJtLXNtbXUtdjMuYyB8IDEzICsrKysrKysrLS0tLS0KPj4gwqAg MSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKPj4KPj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvaW9tbXUvYXJtL2FybS1zbW11LXYzL2FybS1zbW11LXYzLmMKPj4g Yi9kcml2ZXJzL2lvbW11L2FybS9hcm0tc21tdS12My9hcm0tc21tdS12My5jCj4+IGluZGV4IDMz MmQzMWMwNjgwZi4uYWI3NGEwMjg5ODkzIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2lvbW11L2Fy bS9hcm0tc21tdS12My9hcm0tc21tdS12My5jCj4+ICsrKyBiL2RyaXZlcnMvaW9tbXUvYXJtL2Fy bS1zbW11LXYzL2FybS1zbW11LXYzLmMKPj4gQEAgLTMwMzgsMTQgKzMwMzgsMTcgQEAgc3RhdGlj IGludCBhcm1fc21tdV9hdHRhY2hfcGFzaWRfdGFibGUoc3RydWN0Cj4+IGlvbW11X2RvbWFpbiAq ZG9tYWluLAo+PiDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKHNtbXVfZG9tYWluLT5zMV9jZmcuc2V0 KQo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBnb3RvIG91dDsKPj4gwqAgLcKgwqDCoMKg wqDCoMKgIC8qCj4+IC3CoMKgwqDCoMKgwqDCoMKgICogd2UgY3VycmVudGx5IHN1cHBvcnQgYSBz aW5nbGUgQ0Qgc28gczFmbXQgYW5kIHMxZHNzCj4+IC3CoMKgwqDCoMKgwqDCoMKgICogZmllbGRz IGFyZSBhbHNvIGlnbm9yZWQKPj4gLcKgwqDCoMKgwqDCoMKgwqAgKi8KPj4gLcKgwqDCoMKgwqDC oMKgIGlmIChjZmctPnBhc2lkX2JpdHMpCj4+ICvCoMKgwqDCoMKgwqDCoCBsaXN0X2Zvcl9lYWNo X2VudHJ5KG1hc3RlciwgJnNtbXVfZG9tYWluLT5kZXZpY2VzLAo+PiBkb21haW5faGVhZCkgewo+ PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBpZiAoY2ZnLT5wYXNpZF9iaXRzID4gbWFzdGVyLT5z c2lkX2JpdHMpCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZ290byBvdXQ7Cj4+ ICvCoMKgwqDCoMKgwqDCoCB9Cj4+ICvCoMKgwqDCoMKgwqDCoCBpZiAoY2ZnLT52ZW5kb3JfZGF0 YS5zbW11djMuczFmbXQgPT0KPj4gU1RSVEFCX1NURV8wX1MxRk1UXzY0S19MMiAmJgo+PiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICEoc21tdS0+ZmVhdHVyZXMgJiBBUk1fU01NVV9G RUFUXzJfTFZMX0NEVEFCKSkKPj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZ290byBvdXQ7 Cj4+IMKgIMKgwqDCoMKgwqDCoMKgwqDCoCBzbW11X2RvbWFpbi0+czFfY2ZnLmNkY2ZnLmNkdGFi X2RtYSA9IGNmZy0+YmFzZV9wdHI7Cj4+ICvCoMKgwqDCoMKgwqDCoCBzbW11X2RvbWFpbi0+czFf Y2ZnLnMxY2RtYXggPSBjZmctPnBhc2lkX2JpdHM7Cj4+ICvCoMKgwqDCoMKgwqDCoCBzbW11X2Rv bWFpbi0+czFfY2ZnLnMxZm10ID0gY2ZnLT52ZW5kb3JfZGF0YS5zbW11djMuczFmbXQ7Cj4gCj4g QW5kIHdoYXQgYWJvdXQgdGhlIFNJRFNTIGZpZWxkPwo+IApJIGFkZGVkIHRoaXMgcGF0Y2ggdXBv biBTaGFtZWVyJ3MgcmVxdWVzdCwgdG8gYmUgbW9yZSB2U1ZBIGZyaWVuZGx5LgpIb3dlciB0aGlz IHNlcmllcyBkb2VzIG5vdCByZWFsbHkgdGFyZ2V0IG11bHRpcGxlIENEIHN1cHBvcnQuIEF0IHRo ZQptb21lbnQgdGhlIGRyaXZlciBvbmx5IHN1cHBvcnRzIFNUUlRBQl9TVEVfMV9TMURTU19TU0lE MCAoMHgyKSBJIHRoaW5rLgpBdCB0aGlzIG1vbWVudCBtYXliZSBJIGNhbiBvbmx5IGNoZWNrIHRo ZSBzMWRzcyBmaWVsZCBpcyAweDIuIE9yIHNpbXBseQpyZW1vdmVzIHRoaXMgcGF0Y2g/CgpUaG91 Z2h0cz8KCkVyaWMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==