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[79.13.204.15]) by smtp.gmail.com with ESMTPSA id c4sm12126404wmf.19.2020.12.18.03.38.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Dec 2020 03:38:18 -0800 (PST) Date: Fri, 18 Dec 2020 12:38:16 +0100 From: Stefano Garzarella To: Jason Wang Subject: Re: [PATCH RFC 00/12] vdpa: generalize vdpa simulator and add block device Message-ID: <20201218113816.zcyeyqipux4ao4cp@steredhat> References: <20201113134712.69744-1-sgarzare@redhat.com> <93f207c0-61e6-3696-f218-e7d7ea9a7c93@redhat.com> MIME-Version: 1.0 In-Reply-To: <93f207c0-61e6-3696-f218-e7d7ea9a7c93@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Stefan Hajnoczi , Eli Cohen X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization 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: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCBOb3YgMTYsIDIwMjAgYXQgMTE6Mzc6NDhBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPgo+T24gMjAyMC8xMS8xMyDkuIvljYg5OjQ3LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6 Cj4+VGhhbmtzIHRvIE1heCB0aGF0IHN0YXJ0ZWQgdGhpcyB3b3JrIQo+PkkgdG9vayBoaXMgcGF0 Y2hlcywgYW5kIGV4dGVuZGVkIHRoZSBibG9jayBzaW11bGF0b3IgYSBiaXQuCj4+Cj4+VGhpcyBz ZXJpZXMgbW92ZXMgdGhlIG5ldHdvcmsgZGV2aWNlIHNpbXVsYXRvciBpbiBhIG5ldyBtb2R1bGUK Pj4odmRwYV9zaW1fbmV0KSBhbmQgbGVhdmVzIHRoZSBnZW5lcmljIGZ1bmN0aW9ucyBpbiB0aGUg dmRwYV9zaW0gY29yZQo+Pm1vZHVsZSwgYWxsb3dpbmcgdGhlIHBvc3NpYmlsaXR5IHRvIGFkZCBu ZXcgdkRQQSBkZXZpY2Ugc2ltdWxhdG9ycy4KPj5UaGVuIHdlIGFkZGVkIGEgbmV3IHZkcGFfc2lt X2JsayBtb2R1bGUgdG8gc2ltdWxhdGUgYSBibG9jayBkZXZpY2UuCj4+Cj4+SSdtIG5vdCBzdXJl IGFib3V0IHBhdGNoIDExICgidnJpbmdoOiBhbGxvdyB2cmluZ2hfaW92X3hmZXIoKSB0byBza2lw Cj4+Ynl0ZXMgd2hlbiBwdHIgaXMgTlVMTCIpLCBtYXliZSB3ZSBjYW4gYWRkIGEgbmV3IGZ1bmN0 aW9ucyBpbnN0ZWFkIG9mCj4+bW9kaWZ5IHZyaW5naF9pb3ZfeGZlcigpLgo+Pgo+PkFzIE1heCBy ZXBvcnRlZCwgSSdtIGFsc28gc2VlaW5nIGVycm9ycyB3aXRoIHZkcGFfc2ltX2JsayByZWxhdGVk IHRvCj4+aW90bGIgYW5kIHZyaW5naCB3aGVuIHRoZXJlIGlzIGhpZ2ggbG9hZCwgdGhlc2UgYXJl IHNvbWUgb2YgdGhlIGVycm9yCj4+bWVzc2FnZXMgSSBjYW4gc2VlIHJhbmRvbWx5Ogo+Pgo+PiAg IHZyaW5naDogRmFpbGVkIHRvIGFjY2VzcyBhdmFpbCBpZHggYXQgMDAwMDAwMDBlOGRlYjJjYwo+ PiAgIHZyaW5naDogRmFpbGVkIHRvIHJlYWQgaGVhZDogaWR4IDYyODkgYWRkcmVzcyAwMDAwMDAw MGUxYWQxZDUwCj4+ICAgdnJpbmdoOiBGYWlsZWQgdG8gZ2V0IGZsYWdzIGF0IDAwMDAwMDAwNjYz NWQ3YTMKPj4KPj4gICB2aXJ0aW9fdmRwYSB2ZHBhMDogdnJpbmdoX2lvdl9wdXNoX2lvdGxiKCkg ZXJyb3I6IC0xNCBvZmZzZXQ6IAo+PiAgIDB4Mjg0MDAwMCBsZW46IDB4MjAwMDAKPj4gICB2aXJ0 aW9fdmRwYSB2ZHBhMDogdnJpbmdoX2lvdl9wdWxsX2lvdGxiKCkgZXJyb3I6IC0xNCBvZmZzZXQ6 IAo+PiAgIDB4NThlZTAwMCBsZW46IDB4MzAwMAo+Pgo+PlRoZXNlIGVycm9ycyBzaG91bGQgYWxs IGJlIHJlbGF0ZWQgdG8gdGhlIGZhY3QgdGhhdCBpb3RsYl90cmFuc2xhdGUoKQo+PmZhaWxzIHdp dGggLUVJTlZBTCwgc28gaXQgc2VlbXMgdGhhdCB3ZSBtaXNzIHNvbWUgbWFwcGluZy4KPgo+Cj5J cyB0aGlzIG9ubHkgcmVwcm9kdWNpYmxlIHdoZW4gdGhlcmUncyBtdWx0aXBsZSBjby1jdXJyZW50 IGFjY2Vzc2luZyAKPm9mIElPVExCPyBJZiB5ZXMsIGl0J3MgcHJvYmFibHkgYSBoaW50IHRoYXQg c29tZSBraW5kIG9mIAo+c3luY2hyb25pemF0aW9uIGlzIHN0aWxsIG1pc3NlZCBzb21ld2hlcmUu Cj4KPkl0IG1pZ2h0IGJlIHVzZWZ1bCB0byBsb2cgdGhlIGRtYV9tYXAvdW5tcCBpbiBib3RoIHZp cnRpb19yaW5nIGFuZCAKPnZyaW5naCB0byBzZWUgd2hvIGlzIG1pc3NpbmcgdGhlIG1hcC4KPgoK SnVzdCBhbiB1cGRhdGUgYWJvdXQgdGhlc2UgaXNzdWVzIHdpdGggdmRwYS1zaW0tYmxrLgpJJ3Zl IGJlZW4gZm9jdXNpbmcgYSBsaXR0bGUgYml0IG9uIHRoZXNlIGZhaWx1cmVzIG92ZXIgdGhlIGxh c3QgZmV3IGRheXMgCmFuZCBoYXZlIGZvdW5kIHR3byBpc3N1ZXMgcmVsYXRlZCB0byB0aGUgSU9U TEIvSU9NTVU6CgoxLiBTb21lIHJlcXVlc3RzIGNvbWluZyBmcm9tIHRoZSBibG9jayBsYXllciBm aWxscyB0aGUgU0cgbGlzdCB3aXRoIAptdWx0aXBsZSBidWZmZXJzIHRoYXQgaGFkIHRoZSBzYW1l IHBoeXNpY2FsIGFkZHJlc3MuIFRoaXMgaGFwcGVucyBmb3IgCmV4YW1wbGUgd2hpbGUgdXNpbmcg J21rZnMnLCBhdCBzb21lIHBvaW50cyBtdWx0aXBsZSBzZWN0b3JzIGFyZSB6ZXJvZWQgCnNvIG11 bHRpcGxlIFNHIGVsZW1lbnRzIHBvaW50IHRvIHRoZSBzYW1lIHBoeXNpY2FsIHBhZ2UgdGhhdCBp cyB6ZXJvZWQuClNpbmNlIHdlIGFyZSB1c2luZyB2aG9zdF9pb3RsYl9kZWxfcmFuZ2UoKSBpbiB0 aGUgdmRwYXNpbV91bm1hcF9wYWdlKCksIAp0aGlzIHJlbW92ZXMgYWxsIHRoZSBvdmVybGFwcGVk IHJhbmdlcy4gSSBmaXhlZCByZW1vdmluZyBhIHNpbmdsZSBtYXAgaW4gCnZkcGFzaW1fdW5tYXBf cGFnZSgpLCBidXQgaGFzIGFuIGFsdGVybmF0aXZlIHdlIGNhbiBpbXBsZW1lbnQgc29tZSBraW5k IApvZiByZWZlcmVuY2UgY291bnRzLgoKMi4gVGhlcmUgd2FzIGEgcmFjZSBiZXR3ZWVuIGRtYV9t YXAvdW5tYXAgYW5kIHRoZSB3b3JrZXIgdGhyZWFkLCBzaW5jZSAKYm90aCBhcmUgYWNjZXNzaW5n IHRoZSBJT01NVS4gVGFraW5nIHRoZSBpb21tdV9sb2NrIHdoaWxlIHVzaW5nIAp2aG9zdF9pb3Rs Yl8qIEFQSSBpbiB0aGUgd29ya2VyIHRocmVhZCBmaXhlcyB0aGUgInZyaW5naDogRmFpbGVkIHRv ICoiIAppc3N1ZXMuCgpXaGl0IHRoZXNlIGlzc3VlcyBmaXhlZCB0aGUgdmRwYS1ibGsgc2ltdWxh dG9yIHNlZW1zIHRvIHdvcmsgd2VsbC4KSSdsbCBzZW5kIHRoZSBwYXRjaGVzIG5leHQgd2VlayBv ciBhZnRlciB0aGUgYnJlYWsuCgpUaGFua3MsClN0ZWZhbm8KCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApW aXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxp bnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==