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[79.34.249.199]) by smtp.gmail.com with ESMTPSA id d2sm2259357wre.39.2021.01.27.00.57.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 00:57:31 -0800 (PST) Date: Wed, 27 Jan 2021 09:57:28 +0100 From: Stefano Garzarella To: Jason Wang Subject: Re: [RFC v3 03/11] vdpa: Remove the restriction that only supports virtio-net devices Message-ID: <20210127085728.j6x5yzrldp2wp55c@steredhat> References: <20210119045920.447-1-xieyongji@bytedance.com> <20210119045920.447-4-xieyongji@bytedance.com> <310d7793-e4ff-fba3-f358-418cb64c7988@redhat.com> <20210120110832.oijcmywq7pf7psg3@steredhat> <1979cffc-240e-a9f9-b0ab-84a1f82ac81e@redhat.com> MIME-Version: 1.0 In-Reply-To: <1979cffc-240e-a9f9-b0ab-84a1f82ac81e@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: 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, Xie Yongji , 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" T24gV2VkLCBKYW4gMjcsIDIwMjEgYXQgMTE6MzM6MDNBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPgo+T24gMjAyMS8xLzIwIOS4i+WNiDc6MDgsIFN0ZWZhbm8gR2FyemFyZWxsYSB3cm90ZToK Pj5PbiBXZWQsIEphbiAyMCwgMjAyMSBhdCAxMTo0NjozOEFNICswODAwLCBKYXNvbiBXYW5nIHdy b3RlOgo+Pj4KPj4+T24gMjAyMS8xLzE5IOS4i+WNiDEyOjU5LCBYaWUgWW9uZ2ppIHdyb3RlOgo+ Pj4+V2l0aCBWRFVTRSwgd2Ugc2hvdWxkIGJlIGFibGUgdG8gc3VwcG9ydCBhbGwga2luZHMgb2Yg dmlydGlvIGRldmljZXMuCj4+Pj4KPj4+PlNpZ25lZC1vZmYtYnk6IFhpZSBZb25namkgPHhpZXlv bmdqaUBieXRlZGFuY2UuY29tPgo+Pj4+LS0tCj4+Pj7CoGRyaXZlcnMvdmhvc3QvdmRwYS5jIHwg MjkgKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPj4+PsKgMSBmaWxlIGNoYW5nZWQsIDMg aW5zZXJ0aW9ucygrKSwgMjYgZGVsZXRpb25zKC0pCj4+Pj4KPj4+PmRpZmYgLS1naXQgYS9kcml2 ZXJzL3Zob3N0L3ZkcGEuYyBiL2RyaXZlcnMvdmhvc3QvdmRwYS5jCj4+Pj5pbmRleCAyOWVkNDE3 M2YwNGUuLjQ0OGJlNzg3NWI2ZCAxMDA2NDQKPj4+Pi0tLSBhL2RyaXZlcnMvdmhvc3QvdmRwYS5j Cj4+Pj4rKysgYi9kcml2ZXJzL3Zob3N0L3ZkcGEuYwo+Pj4+QEAgLTIyLDYgKzIyLDcgQEAKPj4+ PsKgI2luY2x1ZGUgPGxpbnV4L25vc3BlYy5oPgo+Pj4+wqAjaW5jbHVkZSA8bGludXgvdmhvc3Qu aD4KPj4+PsKgI2luY2x1ZGUgPGxpbnV4L3ZpcnRpb19uZXQuaD4KPj4+PisjaW5jbHVkZSA8bGlu dXgvdmlydGlvX2Jsay5oPgo+Pj4+wqAjaW5jbHVkZSAidmhvc3QuaCIKPj4+PkBAIC0xODUsMjYg KzE4Niw2IEBAIHN0YXRpYyBsb25nIHZob3N0X3ZkcGFfc2V0X3N0YXR1cyhzdHJ1Y3QgCj4+Pj52 aG9zdF92ZHBhICp2LCB1OCBfX3VzZXIgKnN0YXR1c3ApCj4+Pj7CoMKgwqDCoCByZXR1cm4gMDsK Pj4+PsKgfQo+Pj4+LXN0YXRpYyBpbnQgdmhvc3RfdmRwYV9jb25maWdfdmFsaWRhdGUoc3RydWN0 IHZob3N0X3ZkcGEgKnYsCj4+Pj4twqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgIHN0cnVjdCB2aG9zdF92ZHBhX2NvbmZpZyAqYykKPj4+Pi17Cj4+Pj4twqDCoMKgIGxv bmcgc2l6ZSA9IDA7Cj4+Pj4tCj4+Pj4twqDCoMKgIHN3aXRjaCAodi0+dmlydGlvX2lkKSB7Cj4+ Pj4twqDCoMKgIGNhc2UgVklSVElPX0lEX05FVDoKPj4+Pi3CoMKgwqDCoMKgwqDCoCBzaXplID0g c2l6ZW9mKHN0cnVjdCB2aXJ0aW9fbmV0X2NvbmZpZyk7Cj4+Pj4twqDCoMKgwqDCoMKgwqAgYnJl YWs7Cj4+Pj4twqDCoMKgIH0KPj4+Pi0KPj4+Pi3CoMKgwqAgaWYgKGMtPmxlbiA9PSAwKQo+Pj4+ LcKgwqDCoMKgwqDCoMKgIHJldHVybiAtRUlOVkFMOwo+Pj4+LQo+Pj4+LcKgwqDCoCBpZiAoYy0+ bGVuID4gc2l6ZSAtIGMtPm9mZikKPj4+Pi3CoMKgwqDCoMKgwqDCoCByZXR1cm4gLUUyQklHOwo+ Pj4+LQo+Pj4+LcKgwqDCoCByZXR1cm4gMDsKPj4+Pi19Cj4+Pgo+Pj4KPj4+SSB0aGluayB3ZSBz aG91bGQgdXNlIGEgc2VwYXJhdGUgcGF0Y2ggZm9yIHRoaXMuCj4+Cj4+Rm9yIHRoZSB2ZHBhLWJs ayBzaW11bGF0b3IgSSBoYWQgdGhlIHNhbWUgaXNzdWVzIGFuZCBJJ20gYWRkaW5nIGEgCj4+Lmdl dF9jb25maWdfc2l6ZSgpIGNhbGxiYWNrIHRvIHZkcGEgZGV2aWNlcy4KPj4KPj5EbyB5b3UgdGhp bmsgbWFrZSBzZW5zZSBvciBpcyBiZXR0ZXIgdG8gcmVtb3ZlIHRoaXMgY2hlY2sgaW4gCj4+dmhv c3QvdmRwYSwgZGVsZWdhdGluZyB0aGUgYm91bmRhcmllcyBjaGVja3MgdG8gCj4+Z2V0X2NvbmZp Zy9zZXRfY29uZmlnIGNhbGxiYWNrcy4KPgo+Cj5BIHF1ZXN0aW9uIGhlcmUuIEhvdyBtdWNoIHZh bHVlIGNvdWxkIHdlIGdhaW4gZnJvbSBnZXRfY29uZmlnX3NpemUoKSAKPmNvbnNpZGVyIHdlIGNh biBsZXQgdkRQQSBwYXJlbnQgdG8gdmFsaWRhdGUgdGhlIGxlbmd0aCBpbiBpdHMgCj5nZXRfY29u ZmlnKCkuCj4KCkkgYWdyZWUsIG1vc3Qgb2YgdGhlIGltcGxlbWVudGF0aW9ucyBhbHJlYWR5IHZh bGlkYXRlIHRoZSBsZW5ndGgsIHRoZSAKb25seSBnYWluIGlzIGFuIGVycm9yIHJldHVybmVkIHNp bmNlIGdldF9jb25maWcoKSBpcyB2b2lkLCBidXQgCmV2ZW50dWFsbHkgd2UgY2FuIGFkZCBhIHJl dHVybiB2YWx1ZSB0byBpdC4KClRoYW5rcywKU3RlZmFubwoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZp cnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGlu dXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u