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[70.163.223.149]) by smtp.gmail.com with ESMTPSA id s68sm28569419ywg.69.2020.01.06.17.30.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2020 17:30:57 -0800 (PST) Date: Mon, 6 Jan 2020 18:30:56 -0700 From: Jerry Snitselaar To: Lu Baolu Subject: Re: [PATCH 22/22] iommu/vt-d: Add a quirk flag for scope mismatched devices Message-ID: <20200107013056.pec2cz5zhazam4ra@cantor> References: <20200102001823.21976-1-baolu.lu@linux.intel.com> <20200102001823.21976-23-baolu.lu@linux.intel.com> <567f1506-4a13-535b-ce41-aac079941510@linux.intel.com> <20200106170551.ykphn6couhxozrid@cantor> <799d7ab1-c496-e3f8-719e-e52fbabb8d1c@linux.intel.com> MIME-Version: 1.0 In-Reply-To: <799d7ab1-c496-e3f8-719e-e52fbabb8d1c@linux.intel.com> X-MC-Unique: uFCD6AtKOfiSa0yUzfJiZw-1 X-Mimecast-Spam-Score: 0 Content-Disposition: inline Cc: Roland Dreier , Jim Yan , iommu@lists.linux-foundation.org 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: , Reply-To: Jerry Snitselaar Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gVHVlIEphbiAwNyAyMCwgTHUgQmFvbHUgd3JvdGU6Cj5IaSBKZXJyeSwKPgo+T24gMS83LzIw IDE6MDUgQU0sIEplcnJ5IFNuaXRzZWxhYXIgd3JvdGU6Cj4+T24gV2VkIEphbiAwMSAyMCwgUm9s YW5kIERyZWllciB2aWEgaW9tbXUgd3JvdGU6Cj4+Pj5XZSBzYXcgbW9yZSBkZXZpY2VzIHdpdGgg dGhlIHNhbWUgbWlzbWF0Y2ggcXVpcmsuIFNvIG1haW50YWluaW5nIHRoZW0gaW4KPj4+PmEgcXVp cmsgdGFibGUgd2lsbCBtYWtlIGl0IG1vcmUgcmVhZGFibGUgYW5kIG1haW50YWluYWJsZS4KPj4+ Cj4+PkkgZ3Vlc3MgSSBkaXNhZ3JlZSBhYm91dCB0aGUgbWFpbnRhaW5hYmxlIHBhcnQsIGdpdmVu IHRoYXQgdGhpcyBwYXRjaAo+Pj5hbHJlYWR5IHJlZ3Jlc3NlcyBCcm9hZHdlbGwgTlRCLgo+Pj4K Pj4+SSdtIG5vdCBldmVuIHN1cmUgd2hhdCB0aGUgRE1BUiB0YWJsZSBzYXlzIGFib3V0IE5UQiBv biBteSBTa3lsYWtlCj4+PnN5c3RlbXMsIGV4YWN0bHkgYmVjYXVzZSB0aGUgZXhpc3RpbmcgY29k ZSBtZWFucyBJIGRpZCBub3QgaGF2ZSBhbnkKPj4+cHJvYmxlbXMuwqAgQnV0IHdlIG1pZ2h0IG5l ZWQgdG8gYWRkIGRldmljZSAyMDFDaCB0b28uCj4+Pgo+Pj5NYXliZSB3ZSBkb24ndCBuZWVkIHRo ZSBtaXNtYXRjaCBjaGVjayBhdCBhbGw/wqAgWW91ciBwYXRjaCBzZXRzIHRoZQo+Pj5xdWlyayBp ZiBhbnkgcG9zc2libHkgbWlzbWF0Y2hpbmcgZGV2aWNlIGlzIHByZXNlbnQgaW4gdGhlIHN5c3Rl bSwgc28KPj4+d2UnbGwgaWdub3JlIGFueSBzY29wZSBtaXNtYXRjaCBvbiBhIHN5c3RlbSB3aXRo LCBzYXksIHRoZSA4MDg2OjIwMjAKPj4+TlZNZSBob3N0IGluIGl0LsKgIFNvIGNvdWxkIHdlIGp1 c3QgZHJvcCB0aGUgY2hlY2sgY29tcGxldGVseSBhbmQgbm90Cj4+PmhhdmUgYSBxdWlyayB0byBk aXNhYmxlIHRoZSBjaGVjaz8KPj4+Cj4+Pi0gUi4KPj4KPj5JZiB0aGUgY2hlY2sgaXMgcmVtb3Zl ZCB3aGF0IGhhcHBlbnMgZm9yIGNhc2VzIHdoZXJlIHRoZXJlIGlzIGFuIGFjdHVhbAo+PnByb2Js ZW0gaW4gdGhlIGRtYXIgdGFibGU/IEkganVzdCB3b3JrZWQgYW4gaXNzdWUgd2l0aCBzb21lIElu dGVsCj4+cGVvcGxlIHdoZXJlIGEgcHVybGV5IHN5c3RlbSBoYWQgYW4gcm1yciBlbnRyeSBwb2lu dGluZyB0byBhIGJyaWRnZSBhcwo+PnRoZSBlbmRwb2ludCBkZXZpY2UgaW5zdGVhZCBvZiB0aGUg cmFpZCBtb2R1bGUgc2l0dGluZyBiZWhpbmQgaXQuCj4KPlRoZSBsYXRlc3Qgc29sdXRpb24gd2Fz IGhlcmUuIGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDIwLzEvNS8xMDMsIGRvZXMKPnRoaXMgd29y ayBmb3IgeW91Pwo+Cj5CZXN0IHJlZ2FyZHMsCj5iYW9sdQo+CgpIaSBCYW9sdSwKClRoZXkgcmVz b2x2ZWQgaXQgYnkgdXBkYXRpbmcgdGhlIHJtcnIgZW50cnkgaW4gdGhlIGRtYXIgdGFibGUgdG8g YWRkCnRoZSBleHRyYSBwYXRoIG5lZWRlZCBmb3IgaXQgdG8gcG9pbnQgYXQgdGhlIHJhaWQgbW9k dWxlLiBMb29raW5nCmF0IHRoZSBjb2RlIHRob3VnaCBJIGltYWdpbmUgd2l0aG91dCB0aGUgZmly bXdhcmUgdXBkYXRlIHRoZXkgd291bGQKc3RpbGwgaGF2ZSB0aGUgcHJvYmxlbSBiZWNhdXNlIElJ UkMgaXQgd2FzIGEgY29tYm8gb2YgYW4gZW5kcG9pbnQKc2NvcGUgdHlwZSwgYW5kIGEgcGNpIGJy aWRnZSBoZWFkZXIgc28gdGhhdCBmaXJzdCBjaGVjayB3b3VsZCBmYWlsCmFzIGl0IGRpZCBiZWZv cmUuIE15IHdvcnJ5IHdhcyBpZiB0aGUgc3VnZ2VzdGlvbiBpcyB0byByZW1vdmUgdGhlCmNoZWNr IGNvbXBsZXRlbHksIGEgY2FzZSBsaWtlIHRoYXQgd291bGRuJ3QgcmVwb3J0IGFueXRoaW5nIHdy b25nLgoKSmltJ3MgbGF0ZXN0IHBhdGNoIEkgdGhpbmsgc29sdmVzIHRoZSBpc3N1ZSBmb3Igd2hh dCBoZSB3YXMgc2VlaW5nCmFuZCB0aGUgTlRCIGNhc2UuCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMu bGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21h aWxtYW4vbGlzdGluZm8vaW9tbXU=