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bh=mP/fMR1bI+k0zNRDvvWBuMv6uUuCjAv3+TKblysN3yY=; b=gd37cK7MRRRKVGgyUc5sy0suDEUXMu1dK2h/fcllqOo2/jbmqzuxAlzA4Vm9jzRoPTZUEs cvQpXHjzy9/Od4bWm1gPKp34jAKTXzjOH2mvG2M/PB6rn/LWXSAbP6rQfgcjiVNeAplRE1 yaMlgtbTHl/W+tvaYK7EKiD+ot6B/qw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-481-h0jZK0l6NYKMj4AJ1_KZWg-1; Tue, 26 Jan 2021 22:33:19 -0500 X-MC-Unique: h0jZK0l6NYKMj4AJ1_KZWg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 36E2E10054FF; Wed, 27 Jan 2021 03:33:17 +0000 (UTC) Received: from [10.72.13.33] (ovpn-13-33.pek2.redhat.com [10.72.13.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9F0C26F92A; Wed, 27 Jan 2021 03:33:04 +0000 (UTC) Subject: Re: [RFC v3 03/11] vdpa: Remove the restriction that only supports virtio-net devices To: Stefano Garzarella , Xie Yongji References: <20210119045920.447-1-xieyongji@bytedance.com> <20210119045920.447-4-xieyongji@bytedance.com> <310d7793-e4ff-fba3-f358-418cb64c7988@redhat.com> <20210120110832.oijcmywq7pf7psg3@steredhat> From: Jason Wang Message-ID: <1979cffc-240e-a9f9-b0ab-84a1f82ac81e@redhat.com> Date: Wed, 27 Jan 2021 11:33:03 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210120110832.oijcmywq7pf7psg3@steredhat> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Cc: axboe@kernel.dk, corbet@lwn.net, kvm@vger.kernel.org, mst@redhat.com, linux-aio@kvack.org, netdev@vger.kernel.org, rdunlap@infradead.org, willy@infradead.org, virtualization@lists.linux-foundation.org, hch@infradead.org, bob.liu@oracle.com, bcrl@kvack.org, viro@zeniv.linux.org.uk, stefanha@redhat.com, linux-fsdevel@vger.kernel.org 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" Ck9uIDIwMjEvMS8yMCDkuIvljYg3OjA4LCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6Cj4gT24g V2VkLCBKYW4gMjAsIDIwMjEgYXQgMTE6NDY6MzhBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90ZToK Pj4KPj4gT24gMjAyMS8xLzE5IOS4i+WNiDEyOjU5LCBYaWUgWW9uZ2ppIHdyb3RlOgo+Pj4gV2l0 aCBWRFVTRSwgd2Ugc2hvdWxkIGJlIGFibGUgdG8gc3VwcG9ydCBhbGwga2luZHMgb2YgdmlydGlv IGRldmljZXMuCj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogWGllIFlvbmdqaSA8eGlleW9uZ2ppQGJ5 dGVkYW5jZS5jb20+Cj4+PiAtLS0KPj4+IMKgZHJpdmVycy92aG9zdC92ZHBhLmMgfCAyOSArKyst LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+Pj4gwqAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRp b25zKCspLCAyNiBkZWxldGlvbnMoLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy92aG9z dC92ZHBhLmMgYi9kcml2ZXJzL3Zob3N0L3ZkcGEuYwo+Pj4gaW5kZXggMjllZDQxNzNmMDRlLi40 NDhiZTc4NzViNmQgMTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL3Zob3N0L3ZkcGEuYwo+Pj4gKysr IGIvZHJpdmVycy92aG9zdC92ZHBhLmMKPj4+IEBAIC0yMiw2ICsyMiw3IEBACj4+PiDCoCNpbmNs dWRlIDxsaW51eC9ub3NwZWMuaD4KPj4+IMKgI2luY2x1ZGUgPGxpbnV4L3Zob3N0Lmg+Cj4+PiDC oCNpbmNsdWRlIDxsaW51eC92aXJ0aW9fbmV0Lmg+Cj4+PiArI2luY2x1ZGUgPGxpbnV4L3ZpcnRp b19ibGsuaD4KPj4+IMKgI2luY2x1ZGUgInZob3N0LmgiCj4+PiBAQCAtMTg1LDI2ICsxODYsNiBA QCBzdGF0aWMgbG9uZyB2aG9zdF92ZHBhX3NldF9zdGF0dXMoc3RydWN0IAo+Pj4gdmhvc3RfdmRw YSAqdiwgdTggX191c2VyICpzdGF0dXNwKQo+Pj4gwqDCoMKgwqAgcmV0dXJuIDA7Cj4+PiDCoH0K Pj4+IC1zdGF0aWMgaW50IHZob3N0X3ZkcGFfY29uZmlnX3ZhbGlkYXRlKHN0cnVjdCB2aG9zdF92 ZHBhICp2LAo+Pj4gLcKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBz dHJ1Y3Qgdmhvc3RfdmRwYV9jb25maWcgKmMpCj4+PiAtewo+Pj4gLcKgwqDCoCBsb25nIHNpemUg PSAwOwo+Pj4gLQo+Pj4gLcKgwqDCoCBzd2l0Y2ggKHYtPnZpcnRpb19pZCkgewo+Pj4gLcKgwqDC oCBjYXNlIFZJUlRJT19JRF9ORVQ6Cj4+PiAtwqDCoMKgwqDCoMKgwqAgc2l6ZSA9IHNpemVvZihz dHJ1Y3QgdmlydGlvX25ldF9jb25maWcpOwo+Pj4gLcKgwqDCoMKgwqDCoMKgIGJyZWFrOwo+Pj4g LcKgwqDCoCB9Cj4+PiAtCj4+PiAtwqDCoMKgIGlmIChjLT5sZW4gPT0gMCkKPj4+IC3CoMKgwqDC oMKgwqDCoCByZXR1cm4gLUVJTlZBTDsKPj4+IC0KPj4+IC3CoMKgwqAgaWYgKGMtPmxlbiA+IHNp emUgLSBjLT5vZmYpCj4+PiAtwqDCoMKgwqDCoMKgwqAgcmV0dXJuIC1FMkJJRzsKPj4+IC0KPj4+ IC3CoMKgwqAgcmV0dXJuIDA7Cj4+PiAtfQo+Pgo+Pgo+PiBJIHRoaW5rIHdlIHNob3VsZCB1c2Ug YSBzZXBhcmF0ZSBwYXRjaCBmb3IgdGhpcy4KPgo+IEZvciB0aGUgdmRwYS1ibGsgc2ltdWxhdG9y IEkgaGFkIHRoZSBzYW1lIGlzc3VlcyBhbmQgSSdtIGFkZGluZyBhIAo+IC5nZXRfY29uZmlnX3Np emUoKSBjYWxsYmFjayB0byB2ZHBhIGRldmljZXMuCj4KPiBEbyB5b3UgdGhpbmsgbWFrZSBzZW5z ZSBvciBpcyBiZXR0ZXIgdG8gcmVtb3ZlIHRoaXMgY2hlY2sgaW4gCj4gdmhvc3QvdmRwYSwgZGVs ZWdhdGluZyB0aGUgYm91bmRhcmllcyBjaGVja3MgdG8gZ2V0X2NvbmZpZy9zZXRfY29uZmlnIAo+ IGNhbGxiYWNrcy4KCgpBIHF1ZXN0aW9uIGhlcmUuIEhvdyBtdWNoIHZhbHVlIGNvdWxkIHdlIGdh aW4gZnJvbSBnZXRfY29uZmlnX3NpemUoKSAKY29uc2lkZXIgd2UgY2FuIGxldCB2RFBBIHBhcmVu dCB0byB2YWxpZGF0ZSB0aGUgbGVuZ3RoIGluIGl0cyBnZXRfY29uZmlnKCkuCgpUaGFua3MKCgo+ Cj4gVGhhbmtzLAo+IFN0ZWZhbm8KPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9u QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9u Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u