From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH net] vhost_net: remove VHOST_NET_F_VIRTIO_NET_HDR support Date: Fri, 8 Jun 2018 13:07:09 +0800 Message-ID: <23efe110-f61a-5aee-c0b4-bd3dc5426438__1283.54814737595$1528434334$gmane$org@redhat.com> References: <1528429842-22835-1-git-send-email-jasowang@redhat.com> <20180608074115-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180608074115-mutt-send-email-mst@kernel.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: "Michael S. Tsirkin" Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org CgpPbiAyMDE45bm0MDbmnIgwOOaXpSAxMjo0NiwgTWljaGFlbCBTLiBUc2lya2luIHdyb3RlOgo+ IE9uIEZyaSwgSnVuIDA4LCAyMDE4IGF0IDExOjUwOjQyQU0gKzA4MDAsIEphc29uIFdhbmcgd3Jv dGU6Cj4+IFRoaXMgZmVhdHVyZSBiaXQgaXMgZHVwbGljYXRlZCB3aXRoIFZJUlRJT19GX0FOWV9M QVlPVVQsIHRoaXMgbWVhbnMgaWYKPj4gYSB1c2VycHNhY2Ugd2FudCB0byBlbmFibGUgVlJJVElP X0ZfQU5ZX0xBWU9VVCwKPj4gVkhPU1RfTkVUX0ZfVklSVElPX05FVF9IRFIgd2lsbCBiZSBpbXBs aWVkIHRvby4gVGhpcyBpcyB3cm9uZyBhbmQgd2lsbAo+PiBicmVhayBuZXR3b3JraW5nLgo+IFdo YXQgYnJlYWtzIG5ldHdvcmtpbmcgZXhhY3RseT8gVkhPU1RfTkVUIHN1cHBvcnRlZCBBTllfTEFZ T1VUCj4gZnJvbSBkYXkgb25lLiBGb3IgdGhpcyByZWFzb24gaXQgZG9lcyBub3QgbmVlZCB0byBr bm93IGFib3V0Cj4gVlJJVElPX0ZfQU5ZX0xBWU9VVCBhbmQgd2UgcmV1c2VkIHRoZSBiaXQgZm9y IG90aGVyIHB1cnBvc2VzLgoKSXQncyB0aGUga25vd2xlZGdlIG9mIHZob3N0X25ldCBjb2RlIGl0 IHNlbGYgYnV0IG5vdCB1c2Vyc3BhY2UuIEZvciAKdXNlcnNwYWNlLCBpdCBzaG91bGQgZGVwZW5k cyBvbiB0aGUgdmFsdWUgb2YgcmV0dXJuZWQgYnkgClZIT1NUX0dFVF9GRUFUVVJFUy4gU28gd2hl biB1c2Vyc3BhY2UgY2FuIHNldF9mZWF0dXJlcyB3aXRoIEFOWV9MQVlPVVQsIAp2aG9zdCBtYXkg dGhpbmsgaXQgd2FudHMgVkhPU1RfTkVUX0ZfVklSVElPX05FVF9IRFIuCgo+Cj4KPgo+PiBGaXhp bmcgdGhpcyBieSBzYWZlbHkgcmVtb3ZpbmcKPj4gVkhPU1RfTkVUX0ZfVklSVElPX05FVF9IRFIg c3VwcG9ydC4gVGhlcmUgc2hvdWxkIGJlIHZlcnkgZmV3IG9yIGV2ZW4KPj4gbm8gdXNlcnNwYWNl IGNhbiB1c2UgdGhpcy4KPiBRdWl0ZSBwb3NzaWJseSwgYnV0IGl0IGlzIGhhcmQgdG8gYmUgc3Vy ZS4gSXQgc2VlbXMgc2FmZXIgdG8KPiBtYWludGFpbiBpdCB1bmxlc3MgdGhlcmUncyBhbiBhY3R1 YWwgcmVhc29uIHNvbWV0aGluZydzIGJyb2tlbi4KCkkgdGhpbmsgbm90IHNpbmNlIHRoZSBmZWF0 dXJlIGlzIG5lZ290aWF0ZWQgbm90IG1hbmRhdG9yeT8KCj4KPj4gRnVydGhlciBjbGVhbnVwcyBj b3VsZCBiZSBkb25lIGZvcgo+PiAtbmV0LW5leHQgZm9yIHNhZmV0eS4KPj4KPj4gSW4gdGhlIGZ1 dHVyZSwgd2UgbmVlZCBhIHZob3N0IGRlZGljYXRlZCBmZWF0dXJlIHNldC9nZXQgaW9jdGwoKQo+ PiBpbnN0ZWFkIG9mIHJldXNpbmcgdmlydGlvIG9uZXMuCj4gTm90IGp1c3QgaW4gdGhlIGZ1dHVy ZSwgd2UgbWlnaHQgd2FudCB0byBzd2l0Y2ggaW9tbXUKPiB0byBhIHNhbmUgc3RydWN0dXJlIHdp dGhvdXQgdGhlIDY0IGJpdCBwYWRkaW5nIGJ1Zwo+IHJpZ2h0IG5vdy4KClllcywgSSBoaXQgdGhp cyBidWcgd2hlbiBpbnRyb2R1Y2luZyBWMiBvZiBtc2cgSU9UTEIgbWVzc2FnZS4KCj4KPj4gRml4 ZXM6IDRlOWZhNTBjNmNjYmUgKCJ2aG9zdDogbW92ZSBmZWF0dXJlcyB0byBjb3JlIikKPiBUaGlz IHRhZyBtYWtlcyBubyBzZW5zZSBoZXJlIElNSE8uIExvb2tzIGxpa2UgcGVvcGxlIGFyZSB1c2lu ZyBzb21lIHRvb2wKPiB0aGF0IGp1c3QgbG9va3MgYXQgdGhlIGVhcmxpZXN0IHZlcnNpb24gd2hl cmUgcGF0Y2ggd29uJ3QgYXBwbHkuIFRoZQo+IGNvbW1pdCBpbiBxdWVzdGlvbiBqdXN0IG1vdmVk IHNvbWUgY29kZSBhcm91bmQuCgpMb29rcyBub3QsIGJlZm9yZSB0aGlzIGNvbW1pdCwgdmhvc3Rf bmV0IHdvbid0IHJldHVybiBBTllfTEFZT1VULgoKVGhhbmtzCgo+Cj4+IFNpZ25lZC1vZmYtYnk6 IEphc29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+Cj4+IC0tLQo+PiAgIGRyaXZlcnMvdmhv c3QvbmV0LmMgfCAxNSArKysrKy0tLS0tLS0tLS0KPj4gICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNl cnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmhv c3QvbmV0LmMgYi9kcml2ZXJzL3Zob3N0L25ldC5jCj4+IGluZGV4IDk4NjA1OGEuLjgzZWVmNTIg MTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvdmhvc3QvbmV0LmMKPj4gKysrIGIvZHJpdmVycy92aG9z dC9uZXQuYwo+PiBAQCAtNjksNyArNjksNiBAQCBNT0RVTEVfUEFSTV9ERVNDKGV4cGVyaW1lbnRh bF96Y29weXR4LCAiRW5hYmxlIFplcm8gQ29weSBUWDsiCj4+ICAgCj4+ICAgZW51bSB7Cj4+ICAg CVZIT1NUX05FVF9GRUFUVVJFUyA9IFZIT1NUX0ZFQVRVUkVTIHwKPj4gLQkJCSAoMVVMTCA8PCBW SE9TVF9ORVRfRl9WSVJUSU9fTkVUX0hEUikgfAo+PiAgIAkJCSAoMVVMTCA8PCBWSVJUSU9fTkVU X0ZfTVJHX1JYQlVGKSB8Cj4+ICAgCQkJICgxVUxMIDw8IFZJUlRJT19GX0lPTU1VX1BMQVRGT1JN KQo+PiAgIH07Cj4+IEBAIC0xMjU1LDE1ICsxMjU0LDExIEBAIHN0YXRpYyBpbnQgdmhvc3RfbmV0 X3NldF9mZWF0dXJlcyhzdHJ1Y3Qgdmhvc3RfbmV0ICpuLCB1NjQgZmVhdHVyZXMpCj4+ICAgCQkJ ICAgICAgICgxVUxMIDw8IFZJUlRJT19GX1ZFUlNJT05fMSkpKSA/Cj4+ICAgCQkJc2l6ZW9mKHN0 cnVjdCB2aXJ0aW9fbmV0X2hkcl9tcmdfcnhidWYpIDoKPj4gICAJCQlzaXplb2Yoc3RydWN0IHZp cnRpb19uZXRfaGRyKTsKPj4gLQlpZiAoZmVhdHVyZXMgJiAoMSA8PCBWSE9TVF9ORVRfRl9WSVJU SU9fTkVUX0hEUikpIHsKPj4gLQkJLyogdmhvc3QgcHJvdmlkZXMgdm5ldF9oZHIgKi8KPj4gLQkJ dmhvc3RfaGxlbiA9IGhkcl9sZW47Cj4+IC0JCXNvY2tfaGxlbiA9IDA7Cj4+IC0JfSBlbHNlIHsK Pj4gLQkJLyogc29ja2V0IHByb3ZpZGVzIHZuZXRfaGRyICovCj4+IC0JCXZob3N0X2hsZW4gPSAw Owo+PiAtCQlzb2NrX2hsZW4gPSBoZHJfbGVuOwo+PiAtCX0KPj4gKwo+PiArICAgICAgICAvKiBz b2NrZXQgcHJvdmlkZXMgdm5ldF9oZHIgKi8KPj4gKwl2aG9zdF9obGVuID0gMDsKPj4gKwlzb2Nr X2hsZW4gPSBoZHJfbGVuOwo+PiArCj4+ICAgCW11dGV4X2xvY2soJm4tPmRldi5tdXRleCk7Cj4+ ICAgCWlmICgoZmVhdHVyZXMgJiAoMSA8PCBWSE9TVF9GX0xPR19BTEwpKSAmJgo+PiAgIAkgICAg IXZob3N0X2xvZ19hY2Nlc3Nfb2soJm4tPmRldikpCj4+IC0tIAo+PiAyLjcuNAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFp bGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBz Oi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0 aW9u