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Wed, 02 Jun 2021 20:02:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwwhDfm3DFenSc3jf0+IF7vZ3fiL+QyQZqc2ItshCLLfoqd1jKoY3Jfm/f4//A4m6OHVAGWYQ== X-Received: by 2002:a17:90a:e54e:: with SMTP id ei14mr4156577pjb.53.1622689350622; Wed, 02 Jun 2021 20:02:30 -0700 (PDT) Received: from wangxiaodeMacBook-Air.local ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id q191sm791649pfq.108.2021.06.02.20.02.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Jun 2021 20:02:30 -0700 (PDT) Subject: Re: [PATCH v1 1/8] virtio: Force only split mode with protected guest To: Andi Kleen , mst@redhat.com References: <20210603004133.4079390-1-ak@linux.intel.com> <20210603004133.4079390-2-ak@linux.intel.com> <28c8302b-6833-10b4-c0eb-67456e7c4069@redhat.com> <09e17c7f-ce51-1a46-72c4-12223bee4e3a@linux.intel.com> <1c08bc42-7448-351e-78bf-fcf68d2b2561@redhat.com> <5a2d0d70-fa6b-f08d-f222-5c00cf5f9d44@linux.intel.com> From: Jason Wang Message-ID: <9b10bb24-eb27-510e-cf0d-7818ab9166ef@redhat.com> Date: Thu, 3 Jun 2021 11:02:21 +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: <5a2d0d70-fa6b-f08d-f222-5c00cf5f9d44@linux.intel.com> 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: 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" CuWcqCAyMDIxLzYvMyDkuIrljYgxMDo1NiwgQW5kaSBLbGVlbiDlhpnpgZM6Cj4KPj4KPj4gSSBh Z3JlZSwgYnV0IEkgd2FudCB0byBrbm93IHdoeSBpbmRpcmVjdCBkZXNjcmlwdG9yIG5lZWRzIHRv IGJlIAo+PiBkaXNhYmxlZC4gVGhlIHRhYmxlIGNhbid0IGJlIHdyb3RlIGJ5IHRoZSBkZXZpY2Ug c2luY2UgaXQncyBub3QgCj4+IGNvaGVyZW50IHN3aW90bGIgbWFwcGluZy4KPgo+IEkgaGFkIGFs bCBraW5kcyBvZiBwcm9ibGVtcyB3aXRoIHVuaW5pdGlhbGl6ZWQgZW50cmllcyBpbiB0aGUgaW5k aXJlY3QgCj4gdGFibGUuIFNvIEkgZ2F2ZSB1cCBvbiBpdCBhbmQgY29uY2x1ZGVkIGl0IHdvdWxk IGJlIHRvbyBkaWZmaWN1bHQgdG8gCj4gc2VjdXJlLgo+Cj4KPiAtQW5kaQo+Cj4KCk9rLCBidXQg d2hhdCBJIG1lYW50IGlzIHRoaXMsIGlmIHdlIGRvbid0IHJlYWQgZnJvbSB0aGUgZGVzY3JpcHRv ciByaW5nLCAKYW5kIHZhbGlkYXRlIGFsbCB0aGUgb3RoZXIgbWV0YWRhdGEgc3VwcGxpZWQgYnkg dGhlIGRldmljZSAodXNlZCBpZCBhbmQgCmxlbikuIFRoZW4gdGhlcmUgc2hvdWxkIGJlIG5vIHdh eSBmb3IgdGhlIGRldmljZSB0byBzdXBwcmVzcyB0aGUgZG1hIApmbGFncyB0byB3cml0ZSB0byB0 aGUgaW5kaXJlY3QgZGVzY3JpcHRvciB0YWJsZS4KCk9yIGRvIHlvdSBoYXZlIGFuIGV4YW1wbGUg aG93IGl0IGNhbiBkbyB0aGF0PwoKVGhhbmtzCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMubGludXgt Zm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4v bGlzdGluZm8vaW9tbXU=