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d="scan'208";a="550518879" Received: from akleen-mobl1.amr.corp.intel.com (HELO [10.209.87.193]) ([10.209.87.193]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2021 18:56:28 -0700 Subject: Re: Virtio hardening for TDX To: Jason Wang , mst@redhat.com References: <20210603004133.4079390-1-ak@linux.intel.com> <63d01084-68d2-a8d5-931d-541a22b5f231@redhat.com> From: Andi Kleen Message-ID: <33504152-624a-45cc-51b3-10ce7aa2428f@linux.intel.com> Date: Wed, 2 Jun 2021 18:56:27 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <63d01084-68d2-a8d5-931d-541a22b5f231@redhat.com> Content-Language: en-US X-Mailman-Approved-At: Thu, 03 Jun 2021 02:10:48 +0000 Cc: x86@kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, jpoimboe@redhat.com, robin.murphy@arm.com, hch@lst.de 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" Cj4gTm90ZSB0aGF0IGl0J3MgcHJvYmFibHkgbmVlZGVkIGJ5IG90aGVyIGNhc2VzIGFzIHdlbGw6 Cj4KPiAxKSBPdGhlciBlbmNyeXB0ZWQgVk0gdGVjaG5vbG9neQo+IDIpIFZEVVNFWzFdCj4gMykg U21hcnQgTklDcwoKUmlnaHQuIEkgZG9uJ3Qgc2VlIGFueSByZWFzb24gd2h5IHRoZXNlIHNob3Vs ZG4ndCB3b3JrLiBZb3UgbWF5IGp1c3QgCm5lZWQgdG8gYWRkIHRoZSBlbmFibGUgZm9yIHRoZSBs b2NrZG93biwgYnV0IHlvdSBjYW4gcmV1c2UgdGhlIGJhc2ljIAppbmZyYXN0cnVjdHVyZS4KCj4K PiBXZSBoYXZlIGFscmVhZHkgaGFkIGRpc2N1c3Npb25zIGFuZCBzb21lIHBhdGNoZXMgaGF2ZSBi ZWVuIAo+IHBvc3RlZFsyXVszXVs0XS4KClRoYW5rcy4KClllcyBbMl0gaXMgaW5kZWVkIGFuIGFs dGVybmF0aXZlLiBXZSBjb25zaWRlcmVkIHRoaXMgYXQgc29tZSBwb2ludCwgYnV0IApzaW5jZSB3 ZSBkb24ndCBjYXJlIGFib3V0IERPUyBpbiBvdXIgY2FzZSBpdCBzZWVtZWQgc2ltcGxlciB0byBq dXN0IApoYXJkZW4gdGhlIGV4aXN0aW5nIGNvZGUuwqAgQnV0IHllcyBpZiBpdCdzIHRoZXJlIGl0 J3MgdXNlZnVsIGZvciBURFggdG9vLgoKRldJVyBJIHdvdWxkIGFyZ3VlIHRoYXQgdGhlIGRlc2Ny aXB0b3IgYm91bmRhcnkgY2hlY2tpbmcgc2hvdWxkIGJlIGFkZGVkIAppbiBhbnkgY2FzZSwgc2Vj dXJpdHkgY2FzZSBvciBzZXBhcmF0ZWQgbWV0YWRhdGEgb3Igbm90LCBiZWNhdXNlIGl0IGNhbiAK Y2F0Y2ggYnVncyBhbmQgaXMgdmVyeSBjaGVhcC4gQ2hlY2tpbmcgYm91bmRhcmllcyBpcyBnb29k IHByYWN0aWNlLgoKWzRdIHdvdWxkIGJlIGFuIGluZGVwZW5kZW50IGlzc3VlLCB0aGF0J3Mgc29t ZXRoaW5nIHdlIGRpZG4ndCBjYXRjaC4KCkFsc28gdGhlIHN3aW90bGIgaGFyZGVuaW5nIGltcGxl bWVudGVkIGluIHRoaXMgcGF0Y2hraXQgZG9lc24ndCBzZWVtIHRvIApiZSBpbiBhbnkgb2YgdGhl IG90aGVyIHBhdGNoZXMuCgpTbyBJIHdvdWxkIHNheSBteSBwYXRjaGVzIGFyZSBtb3N0bHkgb3J0 aG9nb25hbCB0byB0aGVzZSBwYXRjaGVzIGJlbG93IAphbmQgbm90IGNvbmZsaWN0aW5nLCBldmVu IHRob3VnaCB0aGV5IGFkZHJlc3MgYSBzaW1pbGFyIHByb2JsZW0gc3BhY2UuCgotQW5kaQoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxp bmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxp bnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==