From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net Date: Thu, 28 Sep 2017 01:28:54 +0300 Message-ID: <20170928012009-mutt-send-email-mst@kernel.org> References: <1506067355-5771-1-git-send-email-jasowang@redhat.com> <20170926164055-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: Jason Wang Return-path: Content-Disposition: inline In-Reply-To: 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 List-Id: kvm.vger.kernel.org T24gV2VkLCBTZXAgMjcsIDIwMTcgYXQgMDg6Mjc6MzdBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiAKPiBPbiAyMDE35bm0MDnmnIgyNuaXpSAyMTo0NSwgTWljaGFlbCBTLiBUc2lya2lu IHdyb3RlOgo+ID4gT24gRnJpLCBTZXAgMjIsIDIwMTcgYXQgMDQ6MDI6MzBQTSArMDgwMCwgSmFz b24gV2FuZyB3cm90ZToKPiA+ID4gSGk6Cj4gPiA+IAo+ID4gPiBUaGlzIHNlcmllcyB0cmllcyB0 byBpbXBsZW1lbnQgYmFzaWMgdHggYmF0Y2hlZCBwcm9jZXNzaW5nLiBUaGlzIGlzCj4gPiA+IGRv bmUgYnkgcHJlZmV0Y2hpbmcgZGVzY3JpcHRvciBpbmRpY2VzIGFuZCB1cGRhdGUgdXNlZCByaW5n IGluIGEKPiA+ID4gYmF0Y2guIFRoaXMgaW50ZW5kcyB0byBzcGVlZCB1cCB1c2VkIHJpbmcgdXBk YXRpbmcgYW5kIGltcHJvdmUgdGhlCj4gPiA+IGNhY2hlIHV0aWxpemF0aW9uLgo+ID4gSW50ZXJl c3RpbmcsIHRoYW5rcyBmb3IgdGhlIHBhdGNoZXMuIFNvIElJVUMgbW9zdCBvZiB0aGUgZ2FpbiBp cyByZWFsbHkKPiA+IG92ZXJjb21pbmcgc29tZSBvZiB0aGUgc2hvcnRjb21pbmdzIG9mIHZpcnRp byAxLjAgd3J0IGNhY2hlIHV0aWxpemF0aW9uPwo+IAo+IFllcy4KPiAKPiBBY3R1YWxseSwgbG9v a3MgbGlrZSBiYXRjaGluZyBpbiAxLjEgaXMgbm90IGFzIGVhc3kgYXMgaW4gMS4wLgo+IAo+IElu IDEuMCwgd2UgY291bGQgZG8gc29tZXRoaW5nIGxpa2U6Cj4gCj4gYmF0Y2ggdXBkYXRlIHVzZWQg cmluZyBieSB1c2VyIGNvcHlfdG9fdXNlcigpCj4gc21wX3dtYigpCj4gdXBkYXRlIHVzZWRfaWR4 Cj4gSW4gMS4xLCB3ZSBuZWVkIG1vcmUgbWVtb3J5IGJhcnJpZXJzLCBjYW4ndCBiZW5lZml0IGZy b20gZmFzdCBjb3B5IGhlbHBlcnM/Cj4gCj4gZm9yICgpIHsKPiDCoMKgwqAgdXBkYXRlIGRlc2Mu YWRkcgo+IMKgwqDCoCBzbXBfd21iKCkKPiDCoMKgwqAgdXBkYXRlIGRlc2MuZmxhZwo+IH0KClll cyBidXQgc21wX3dtYiBpcyBhIE5PUCBvbiBlLmcuIHg4Ni4gV2UgY2FuIHN3aXRjaCB0byBvdGhl ciB0eXBlcyBvZgpiYXJyaWVycyBhcyB3ZWxsLiAgV2UgZG8gbmVlZCB0byBkbyB0aGUgdXBkYXRl cyBpbiBvcmRlciwgc28gd2UgbWlnaHQKbmVlZCBuZXcgQVBJcyBmb3IgdGhhdCB0byBhdm9pZCBy ZS1kb2luZyB0aGUgdHJhbnNsYXRpb24gYWxsIHRoZSB0aW1lLgoKSW4gMS4wIHRoZSBsYXN0IHVw ZGF0ZSBpcyBhIGNhY2hlIG1pc3MgYWx3YXlzLiBZb3UgbmVlZCBiYXRjaGluZyB0byBnZXQKbGVz cyBtaXNzZXMuIEluIDEuMSB5b3UgZG9uJ3QgaGF2ZSBpdCBzbyBmdW5kYW1lbnRhbGx5IHRoZXJl IGlzIGxlc3MKbmVlZCBmb3IgYmF0Y2hpbmcuIEJ1dCBiYXRjaGluZyBkb2VzIG5vdCBhbHdheXMg d29yay4gIERQREsgZ3V5cyAod2hpY2gKYmF0Y2ggdGhpbmdzIGFnZ3Jlc3NpdmVseSkgYWxyZWFk eSB0cmllZCAxLjEgYW5kIHNhdyBwZXJmb3JtYW5jZSBnYWlucwpzbyB3ZSBkbyBub3QgbmVlZCB0 byBhcmd1ZSB0aGVvcmV0aWNhbGx5LgoKCgo+ID4gCj4gPiBXaGljaCBpcyBmYWlyIGVub3VnaCAo MS4wIGlzIGFscmVhZHkgZGVwbG95ZWQpIGJ1dCBJIHdvdWxkIGxpa2UgdG8gYXZvaWQKPiA+IG1h a2luZyAxLjEgc3VwcG9ydCBoYXJkZXIsIGFuZCB0aGlzIHBhdGNoc2V0IGRvZXMgdGhpcyB1bmZv cnR1bmF0ZWx5LAo+IAo+IEkgdGhpbmsgdGhlIG5ldyBBUElzIGRvIG5vdCBleHBvc2UgbW9yZSBp bnRlcm5hbCBkYXRhIHN0cnVjdHVyZSBvZiB2aXJ0aW8KPiB0aGFuIGJlZm9yZT8gKHZxLT5oZWFk cyBoYXMgYWxyZWFkeSBiZWVuIHVzZWQgYnkgdmhvc3RfbmV0IGZvciB5ZWFycykuCgpGb3Igc3Vy ZSB3ZSBtaWdodCBuZWVkIHRvIGNoYW5nZSB2cmluZ191c2VkX2VsZW0uCgo+IENvbnNpZGVyIHRo ZSBsYXlvdXQgaXMgcmUtZGVzaWduZWQgY29tcGxldGVseSwgSSBkb24ndCBzZWUgYW4gZWFzeSBt ZXRob2QgdG8KPiByZXVzZSBjdXJyZW50IDEuMCBBUEkgZm9yIDEuMS4KCkN1cnJlbnQgQVBJIGp1 c3Qgc2F5cyB5b3UgZ2V0IGJ1ZmZlcnMgdGhlbiB5b3UgdXNlIHRoZW0uIEl0IGlzIG5vdCB0aWVk CnRvIGFjdHVhbCBzZXBhcmF0ZSB1c2VkIHJpbmcuCgoKPiA+IHNlZSBjb21tZW50cyBvbiBpbmRp dmlkdWFsIHBhdGNoZXMuIEknbSBzdXJlIGl0IGNhbiBiZSBhZGRyZXNzZWQgdGhvdWdoLgo+ID4g Cj4gPiA+IFRlc3Qgc2hvd3MgYWJvdXQgfjIyJSBpbXByb3ZlbWVudCBpbiB0eCBwc3MuCj4gPiBJ cyB0aGlzIHdpdGggb3Igd2l0aG91dCB0eCBuYXBpIGluIGd1ZXN0Pwo+IAo+IE1vb25HZW4gaXMg dXNlZCBpbiBndWVzdCBmb3IgYmV0dGVyIG51bWJlcnMuCj4gCj4gVGhhbmtzCgpOb3Qgc3VyZSBJ IHVuZGVyc3RhbmQuIERpZCB5b3Ugc2V0IG5hcGlfdHggdG8gdHJ1ZSBvciBmYWxzZT8KCj4gPiAK PiA+ID4gUGxlYXNlIHJldmlldy4KPiA+ID4gCj4gPiA+IEphc29uIFdhbmcgKDUpOgo+ID4gPiAg ICB2aG9zdDogc3BsaXQgb3V0IHJpbmcgaGVhZCBmZXRjaGluZyBsb2dpYwo+ID4gPiAgICB2aG9z dDogaW50cm9kdWNlIGhlbHBlciB0byBwcmVmZXRjaCBkZXNjIGluZGV4Cj4gPiA+ICAgIHZob3N0 OiBpbnRyb2R1Y2Ugdmhvc3RfYWRkX3VzZWRfaWR4KCkKPiA+ID4gICAgdmhvc3RfbmV0OiByZW5h bWUgVkhPU1RfUlhfQkFUQ0ggdG8gVkhPU1RfTkVUX0JBVENICj4gPiA+ICAgIHZob3N0X25ldDog YmFzaWMgdHggdmlydHF1ZXVlIGJhdGNoZWQgcHJvY2Vzc2luZwo+ID4gPiAKPiA+ID4gICBkcml2 ZXJzL3Zob3N0L25ldC5jICAgfCAyMjEgKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0t LS0tLS0tLS0tLS0tLS0tLS0KPiA+ID4gICBkcml2ZXJzL3Zob3N0L3Zob3N0LmMgfCAxNjUgKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLQo+ID4gPiAgIGRyaXZlcnMvdmhvc3Qv dmhvc3QuaCB8ICAgOSArKwo+ID4gPiAgIDMgZmlsZXMgY2hhbmdlZCwgMjcwIGluc2VydGlvbnMo KyksIDEyNSBkZWxldGlvbnMoLSkKPiA+ID4gCj4gPiA+IC0tIAo+ID4gPiAyLjcuNApfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBt YWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0 cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6 YXRpb24=