From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH net-next 7/8] vhost_net: try batch dequing from skb array Date: Thu, 23 Mar 2017 13:34:36 +0800 Message-ID: References: <1490069087-4783-1-git-send-email-jasowang@redhat.com> <1490069087-4783-8-git-send-email-jasowang@redhat.com> <20170322155111-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: "Michael S. Tsirkin" Return-path: In-Reply-To: <20170322155111-mutt-send-email-mst@kernel.org> 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: netdev.vger.kernel.org CgpPbiAyMDE35bm0MDPmnIgyMuaXpSAyMjoxNiwgTWljaGFlbCBTLiBUc2lya2luIHdyb3RlOgo+ IE9uIFR1ZSwgTWFyIDIxLCAyMDE3IGF0IDEyOjA0OjQ2UE0gKzA4MDAsIEphc29uIFdhbmcgd3Jv dGU6Cj4+IFdlIHVzZWQgdG8gZGVxdWV1ZSBvbmUgc2tiIGR1cmluZyByZWN2bXNnKCkgZnJvbSBz a2JfYXJyYXksIHRoaXMgY291bGQKPj4gYmUgaW5lZmZpY2llbnQgYmVjYXVzZSBvZiB0aGUgYmFk IGNhY2hlIHV0aWxpemF0aW9uIGFuZCBzcGlubG9jawo+PiB0b3VjaGluZyBmb3IgZWFjaCBwYWNr ZXQuIFRoaXMgcGF0Y2ggdHJpZXMgdG8gYmF0Y2ggdGhlbSBieSBjYWxsaW5nCj4+IGJhdGNoIGRl cXVldWluZyBoZWxwZXJzIGV4cGxpY2l0bHkgb24gdGhlIGV4cG9ydGVkIHNrYiBhcnJheSBhbmQg cGFzcwo+PiB0aGUgc2tiIGJhY2sgdGhyb3VnaCBtc2dfY29udHJvbCBmb3IgdW5kZXJsYXllciBz b2NrZXQgdG8gZmluaXNoIHRoZQo+PiB1c2Vyc3BhY2UgY29weWluZy4KPj4KPj4gVGVzdHMgd2Vy ZSBkb25lIGJ5IFhEUDE6Cj4+IC0gc21hbGwgYnVmZmVyOgo+PiAgICBCZWZvcmU6IDEuODhNcHBz Cj4+ICAgIEFmdGVyIDogMi4yNU1wcHMgKCsxOS42JSkKPj4gLSBtZXJnZWFibGUgYnVmZmVyOgo+ PiAgICBCZWZvcmU6IDEuODNNcHBzCj4+ICAgIEFmdGVyIDogMi4xME1wcHMgKCsxNC43JSkKPj4K Pj4gU2lnbmVkLW9mZi1ieTogSmFzb24gV2FuZyA8amFzb3dhbmdAcmVkaGF0LmNvbT4KPj4gLS0t Cj4+ICAgZHJpdmVycy92aG9zdC9uZXQuYyB8IDY0ICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKystLS0tCj4+ICAgMSBmaWxlIGNoYW5nZWQsIDYwIGluc2Vy dGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3Zob3N0 L25ldC5jIGIvZHJpdmVycy92aG9zdC9uZXQuYwo+PiBpbmRleCA5YjUxOTg5Li41M2YwOWYyIDEw MDY0NAo+PiAtLS0gYS9kcml2ZXJzL3Zob3N0L25ldC5jCj4+ICsrKyBiL2RyaXZlcnMvdmhvc3Qv bmV0LmMKPj4gQEAgLTI4LDYgKzI4LDggQEAKPj4gICAjaW5jbHVkZSA8bGludXgvaWZfbWFjdmxh bi5oPgo+PiAgICNpbmNsdWRlIDxsaW51eC9pZl90YXAuaD4KPj4gICAjaW5jbHVkZSA8bGludXgv aWZfdmxhbi5oPgo+PiArI2luY2x1ZGUgPGxpbnV4L3NrYl9hcnJheS5oPgo+PiArI2luY2x1ZGUg PGxpbnV4L3NrYnVmZi5oPgo+PiAgIAo+PiAgICNpbmNsdWRlIDxuZXQvc29jay5oPgo+PiAgIAo+ PiBAQCAtODUsNiArODcsNyBAQCBzdHJ1Y3Qgdmhvc3RfbmV0X3VidWZfcmVmIHsKPj4gICAJc3Ry dWN0IHZob3N0X3ZpcnRxdWV1ZSAqdnE7Cj4+ICAgfTsKPj4gICAKPj4gKyNkZWZpbmUgVkhPU1Rf UlhfQkFUQ0ggNjQKPj4gICBzdHJ1Y3Qgdmhvc3RfbmV0X3ZpcnRxdWV1ZSB7Cj4+ICAgCXN0cnVj dCB2aG9zdF92aXJ0cXVldWUgdnE7Cj4+ICAgCXNpemVfdCB2aG9zdF9obGVuOwo+PiBAQCAtOTks NiArMTAyLDEwIEBAIHN0cnVjdCB2aG9zdF9uZXRfdmlydHF1ZXVlIHsKPj4gICAJLyogUmVmZXJl bmNlIGNvdW50aW5nIGZvciBvdXRzdGFuZGluZyB1YnVmcy4KPj4gICAJICogUHJvdGVjdGVkIGJ5 IHZxIG11dGV4LiBXcml0ZXJzIG11c3QgYWxzbyB0YWtlIGRldmljZSBtdXRleC4gKi8KPj4gICAJ c3RydWN0IHZob3N0X25ldF91YnVmX3JlZiAqdWJ1ZnM7Cj4+ICsJc3RydWN0IHNrYl9hcnJheSAq cnhfYXJyYXk7Cj4+ICsJdm9pZCAqcnhxW1ZIT1NUX1JYX0JBVENIXTsKPj4gKwlpbnQgcnQ7Cj4+ ICsJaW50IHJoOwo+PiAgIH07Cj4+ICAgCj4+ICAgc3RydWN0IHZob3N0X25ldCB7Cj4+IEBAIC0y MDEsNiArMjA4LDggQEAgc3RhdGljIHZvaWQgdmhvc3RfbmV0X3ZxX3Jlc2V0KHN0cnVjdCB2aG9z dF9uZXQgKm4pCj4+ICAgCQluLT52cXNbaV0udWJ1ZnMgPSBOVUxMOwo+PiAgIAkJbi0+dnFzW2ld LnZob3N0X2hsZW4gPSAwOwo+PiAgIAkJbi0+dnFzW2ldLnNvY2tfaGxlbiA9IDA7Cj4+ICsJCW4t PnZxc1tpXS5ydCA9IDA7Cj4+ICsJCW4tPnZxc1tpXS5yaCA9IDA7Cj4+ICAgCX0KPj4gICAKPj4g ICB9Cj4+IEBAIC01MDMsMTMgKzUxMiwzMCBAQCBzdGF0aWMgdm9pZCBoYW5kbGVfdHgoc3RydWN0 IHZob3N0X25ldCAqbmV0KQo+PiAgIAltdXRleF91bmxvY2soJnZxLT5tdXRleCk7Cj4+ICAgfQo+ PiAgIAo+PiAtc3RhdGljIGludCBwZWVrX2hlYWRfbGVuKHN0cnVjdCBzb2NrICpzaykKPj4gK3N0 YXRpYyBpbnQgcGVla19oZWFkX2xlbl9iYXRjaGVkKHN0cnVjdCB2aG9zdF9uZXRfdmlydHF1ZXVl ICpydnEpCj4gUGxzIHJlbmFtZSB0byBzYXkgd2hhdCBpdCBhY3R1YWxseSBkb2VzOiBmZXRjaCBz a2JzCgpPay4KCj4KPj4gK3sKPj4gKwlpZiAocnZxLT5yaCAhPSBydnEtPnJ0KQo+PiArCQlnb3Rv IG91dDsKPj4gKwo+PiArCXJ2cS0+cmggPSBydnEtPnJ0ID0gMDsKPj4gKwlydnEtPnJ0ID0gc2ti X2FycmF5X2NvbnN1bWVfYmF0Y2hlZF9iaChydnEtPnJ4X2FycmF5LCBydnEtPnJ4cSwKPj4gKwkJ CQkJCVZIT1NUX1JYX0JBVENIKTsKPiBBIGNvbW1lbnQgZXhwbGFpbmluZyB3aHkgaXMgaXMgLWJo IHdvdWxkIGJlIGhlbHBmdWwuCgpPay4KClRoYW5rcwpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVh bGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZv dW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=