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[79.22.200.33]) by smtp.gmail.com with ESMTPSA id o4sm11021368wrv.8.2020.10.30.09.19.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2020 09:19:41 -0700 (PDT) Date: Fri, 30 Oct 2020 17:19:38 +0100 From: Stefano Garzarella To: Jason Wang Subject: Re: [PATCH] vhost/vsock: add IOTLB API support Message-ID: <20201030161938.n7xqeu557dmsqpzv@steredhat> References: <20201029174351.134173-1-sgarzare@redhat.com> <751cc074-ae68-72c8-71de-a42458058761@redhat.com> <20201030105422.ju2aj2bmwsckdufh@steredhat> <278f4732-e561-2b4f-03ee-b26455760b01@redhat.com> MIME-Version: 1.0 In-Reply-To: <278f4732-e561-2b4f-03ee-b26455760b01@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: kvm@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Stefan Hajnoczi 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" T24gRnJpLCBPY3QgMzAsIDIwMjAgYXQgMDc6NDQ6NDNQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPgo+T24gMjAyMC8xMC8zMCDkuIvljYg2OjU0LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6 Cj4+T24gRnJpLCBPY3QgMzAsIDIwMjAgYXQgMDY6MDI6MThQTSArMDgwMCwgSmFzb24gV2FuZyB3 cm90ZToKPj4+Cj4+Pk9uIDIwMjAvMTAvMzAg5LiK5Y2IMTo0MywgU3RlZmFubyBHYXJ6YXJlbGxh IHdyb3RlOgo+Pj4+VGhpcyBwYXRjaCBlbmFibGVzIHRoZSBJT1RMQiBBUEkgc3VwcG9ydCBmb3Ig dmhvc3QtdnNvY2sgZGV2aWNlcywKPj4+PmFsbG93aW5nIHRoZSB1c2Vyc3BhY2UgdG8gZW11bGF0 ZSBhbiBJT01NVSBmb3IgdGhlIGd1ZXN0Lgo+Pj4+Cj4+Pj5UaGVzZSBjaGFuZ2VzIHdlcmUgbWFk ZSBmb2xsb3dpbmcgdmhvc3QtbmV0LCBpbiBkZXRhaWxzIHRoaXMgcGF0Y2g6Cj4+Pj4tIGV4cG9z ZXMgVklSVElPX0ZfQUNDRVNTX1BMQVRGT1JNIGZlYXR1cmUgYW5kIGluaXRzIHRoZSBpb3RsYgo+ Pj4+wqAgZGV2aWNlIGlmIHRoZSBmZWF0dXJlIGlzIGFja2VkCj4+Pj4tIGltcGxlbWVudHMgVkhP U1RfR0VUX0JBQ0tFTkRfRkVBVFVSRVMgYW5kCj4+Pj7CoCBWSE9TVF9TRVRfQkFDS0VORF9GRUFU VVJFUyBpb2N0bHMKPj4+Pi0gY2FsbHMgdnFfbWV0YV9wcmVmZXRjaCgpIGJlZm9yZSB2cSBwcm9j ZXNzaW5nIHRvIHByZWZldGNoIHZxCj4+Pj7CoCBtZXRhZGF0YSBhZGRyZXNzIGluIElPVExCCj4+ Pj4tIHByb3ZpZGVzIC5yZWFkX2l0ZXIsIC53cml0ZV9pdGVyLCBhbmQgLnBvbGwgY2FsbGJhY2tz IGZvciB0aGUKPj4+PsKgIGNoYXJkZXY7IHRoZXkgYXJlIHVzZWQgYnkgdGhlIHVzZXJzcGFjZSB0 byBleGNoYW5nZSBJT1RMQiBtZXNzYWdlcwo+Pj4+Cj4+Pj5UaGlzIHBhdGNoIHdhcyB0ZXN0ZWQg d2l0aCBRRU1VIGFuZCBhIHBhdGNoIGFwcGxpZWQgWzFdIHRvIGZpeCBhCj4+Pj5zaW1wbGUgaXNz dWU6Cj4+Pj7CoMKgwqAgJCBxZW11IC1NIHEzNSxhY2NlbD1rdm0sa2VybmVsLWlycWNoaXA9c3Bs aXQgXAo+Pj4+wqDCoMKgwqDCoMKgwqDCoMKgwqAgLWRyaXZlIGZpbGU9ZmVkb3JhLnFjb3cyLGZv cm1hdD1xY293MixpZj12aXJ0aW8gXAo+Pj4+wqDCoMKgwqDCoMKgwqDCoMKgwqAgLWRldmljZSBp bnRlbC1pb21tdSxpbnRyZW1hcD1vbiBcCj4+Pj7CoMKgwqDCoMKgwqDCoMKgwqDCoCAtZGV2aWNl IHZob3N0LXZzb2NrLXBjaSxndWVzdC1jaWQ9Myxpb21tdV9wbGF0Zm9ybT1vbgo+Pj4KPj4+Cj4+ PlBhdGNoIGxvb2tzIGdvb2QsIGJ1dCBhIHF1ZXN0aW9uOgo+Pj4KPj4+SXQgbG9va3MgdG8gbWUg eW91IGRvbid0IGVuYWJsZSBBVFMgd2hpY2ggbWVhbnMgdmhvc3Qgd29uJ3QgZ2V0IAo+Pj5hbnkg aW52YWxpZGF0aW9uIHJlcXVlc3Qgb3IgZGlkIEkgbWlzcyBhbnl0aGluZz8KPj4+Cj4+Cj4+WW91 J3JlIHJpZ2h0LCBJIGRpZG4ndCBzZWUgaW52YWxpZGF0aW9uIHJlcXVlc3RzLCBvbmx5IG1pc3Mg YW5kIHVwZGF0ZXMuCj4+Tm93IEkgaGF2ZSB0cmllZCB0byBlbmFibGUgJ2F0cycgYW5kICdkZXZp Y2UtaW90bGInIGJ1dCBJIHN0aWxsIAo+PmRvbid0IHNlZSBhbnkgaW52YWxpZGF0aW9uLgo+Pgo+ PkhvdyBjYW4gSSB0ZXN0IGl0PyAoU29ycnkgYnV0IEkgZG9uJ3QgaGF2ZSBtdWNoIGV4cGVyaWVu Y2UgeWV0IHdpdGggCj4+dklPTU1VKQo+Cj4KPkkgZ3Vlc3MgaXQncyBiZWNhdXNlIHRoZSBiYXRj aGVkIHVubWFwLiBNYXliZSB5b3UgY2FuIHRyeSB0byB1c2UgCj4iaW50ZWxfaW9tbXU9c3RyaWN0 IiBpbiBndWVzdCBrZXJuZWwgY29tbWFuZCBsaW5lIHRvIHNlZSBpZiBpdCB3b3Jrcy4KPgo+QnR3 LCBtYWtlIHN1cmUgdGhlIHFlbXUgY29udGFpbnMgdGhlIHBhdGNoIFsxXS4gT3RoZXJ3aXNlIEFU UyB3b24ndCBiZSAKPmVuYWJsZWQgZm9yIHJlY2VudCBMaW51eCBLZXJuZWwgaW4gdGhlIGd1ZXN0 Lgo+CgpJIHRyaWVkIHdpdGggImludGVsX2lvbW11PXN0cmljdCIgaW4gdGhlIGd1ZXN0IGtlcm5l bCBhbmQgUUVNVSBwYXRjaCAKYXBwbGllZCwgYnV0IEkgZGlkbid0IHNlZSBhbnkgaW52YWxpZGF0 aW9uLgoKTWF5YmUgSSBkaWQgc29tZXRoaW5nIHdyb25nLCB5b3Uga25vdyBpdCBpcyBmcmlkYXks IEtWTSBGb3J1bSBpcyBlbmRpbmcsIApldGMuLi4gOy0pCgpJJ2xsIGludmVzdGlnYXRlIGJldHRl ciBuZXh0IHdlZWsuCgpUaGFua3MgZm9yIHRoZSB1c2VmdWwgaW5mbywKU3RlZmFubwoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24g bWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0 dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxp emF0aW9u