From mboxrd@z Thu Jan 1 00:00:00 1970 From: jiangyiwen Subject: Re: [RFC] VSOCK: The performance problem of vhost_vsock. Date: Thu, 18 Oct 2018 09:22:22 +0800 Message-ID: <5BC7E04E.9000002@huawei.com> References: <5BC3F0D4.60409@huawei.com> <30d7c370-b206-cdac-dc85-53e9be1e1c63@redhat.com> <5BC42FD8.2070104@huawei.com> <5BC70069.4000600@huawei.com> <8edff784-b311-bfb6-1bf4-1970d564279d@redhat.com> <5BC72006.9010000@huawei.com> <70e7a894-ad12-9909-a0a8-c8772c7c232f@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: netdev@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: Jason Wang , Return-path: In-Reply-To: <70e7a894-ad12-9909-a0a8-c8772c7c232f@redhat.com> 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 T24gMjAxOC8xMC8xNyAyMDozMSwgSmFzb24gV2FuZyB3cm90ZToKPiAKPiBPbiAyMDE4LzEwLzE3 IOS4i+WNiDc6NDEsIGppYW5neWl3ZW4gd3JvdGU6Cj4+IE9uIDIwMTgvMTAvMTcgMTc6NTEsIEph c29uIFdhbmcgd3JvdGU6Cj4+PiBPbiAyMDE4LzEwLzE3IOS4i+WNiDU6MzksIEphc29uIFdhbmcg d3JvdGU6Cj4+Pj4+IEhpIEphc29uIGFuZCBTdGVmYW4sCj4+Pj4+Cj4+Pj4+IE1heWJlIEkgZmlu ZCB0aGUgcmVhc29uIG9mIGJhZCBwZXJmb3JtYW5jZS4KPj4+Pj4KPj4+Pj4gSSBmb3VuZCBwa3Rf bGVuIGlzIGxpbWl0ZWQgdG8gVklSVElPX1ZTT0NLX0RFRkFVTFRfUlhfQlVGX1NJWkUoNEspLAo+ Pj4+PiBpdCB3aWxsIGNhdXNlIHRoZSBiYW5kd2lkdGggaXMgbGltaXRlZCB0byA1MDB+NjAwTUIv cy4gQW5kIG9uY2UgSQo+Pj4+PiBpbmNyZWFzZSB0byA2NGssIGl0IGNhbiBpbXByb3ZlIGFib3V0 IDMgdGltZXMofjE1MDBNQi9zKS4KPj4+Pgo+Pj4+IExvb2tzIGxpa2UgdGhlIHZhbHVlIHdhcyBj aG9zZW4gZm9yIGEgYmFsYW5jZSBiZXR3ZWVuIHJ4IGJ1ZmZlciBzaXplIGFuZCBwZXJmb3JtYW5j ZS4gQWxsb2NhdGluZyA2NEsgYWx3YXlzIGV2ZW4gZm9yIHNtYWxsIHBhY2tldCBpcyBraW5kIG9m IHdhc3RlIGFuZCBzdHJlc3MgZm9yIGd1ZXN0IG1lbW9yeS4gVmlyaXRvLW5ldCB0cnkgdG8gYXZv aWQgdGhpcyBieSBpbnZlbnRpbmcgdGhlIG1lcmdlIGFibGUgcnggYnVmZmVyIHdoaWNoIGFsbG93 cyBiaWcgcGFja2V0IHRvIGJlIHNjYXR0ZXJlZCBpbiBpbnRvIGRpZmZlcmVudCBidWZmZXJzLiBX ZSBjYW4gcmV1c2UgdGhpcyBpZGVhIG9yIHJldmlzaXQgdGhlIGlkZWEgb2YgdXNpbmcgdmlydGlv LW5ldC92aG9zdC1uZXQgYXMgYSB0cmFuc3BvcnQgb2YgdnNvY2suCj4+Pj4KPj4+PiBXaGF0IGlu dGVyZXN0aW5nIGlzIHRoZSBwZXJmb3JtYW5jZSBpcyBzdGlsbCBiZWhpbmQgdmhvc3QtbmV0Lgo+ Pj4+Cj4+Pj4gVGhhbmtzCj4+Pj4KPj4+Pj4gQnkgdGhlIHdheSwgSSBzZW5kIHRvIDY0SyBpbiBh cHBsaWNhdGlvbiBvbmNlLCBhbmQgSSBkb24ndCB1c2UKPj4+Pj4gc2dfaW5pdF9vbmUgYW5kIHJl d3JpdGUgZnVuY3Rpb24gdG8gcGFja2V0IHNnIGxpc3QgYmVjYXVzZSBwa3RfbGVuCj4+Pj4+IGlu Y2x1ZGUgbXVsdGlwbGUgcGFnZXMuCj4+Pj4+Cj4+Pj4+IFRoYW5rcywKPj4+Pj4gWWl3ZW4uCj4+ Pgo+Pj4gQnR3LCBpZiB5b3UncmUgdXNpbmcgdnNvY2sgZm9yIHRyYW5zZmVycmluZyBsYXJnZSBm aWxlcywgbWF5YmUgaXQncyBtb3JlIGVmZmljaWVudCB0byBpbXBsZW1lbnQgc2VuZHBhZ2UoKSBm b3IgdnNvY2sgdG8gYWxsb3cgc2VuZGZpbGUoKS9zcGxpY2UoKSB3b3JrLgo+Pj4KPj4+IFRoYW5r cwo+Pj4KPj4gSSBjYW4ndCBhZ3JlZSBtb3JlLgo+Pgo+PiB3aHkgdmhvc3RfdnNvY2sgaXMgc3Rp bGwgYmVoaW5kIHZob3N0X25ldD8KPj4gQmVjYXVzZSBJIHVzZSBzZW5kZmlsZSgpIHRvIHRlc3Qg cGVyZm9ybWFuY2UgYXQgZmlyc3QsIGFuZCB0aGVuCj4+IEkgZm91bmQgdnNvY2sgZG9uJ3QgaW1w bGVtZW50IHNlbmRwYWdlKCkgYW5kIGNhdXNlIHRoZSBiYW5kd2lkdGgKPj4gY2FuJ3QgYmUgaW5j cmVhc2VkLiBTbyBJIHVzZSByZWFkKCkgYW5kIHNlbmQoKSB0byByZXBsYWNlIHNlbmRmaWxlKCks Cj4+IGl0IHdpbGwgaW5jcmVhc2Ugc29tZSBzd2l0Y2ggYmV0d2VlbiBrZXJuZWwgYW5kIHVzZXIg bW9kZSwgYW5kIHNlbmRmaWxlKCkKPj4gY2FuIHN1cHBvcnQgemVybyBjb3B5LiBJIHRoaW5rIHRo aXMgaXMgbWFpbiByZWFzb24uCj4+Cj4+IFRoYW5rcy4KPiAKPiAKPiBXYW50IHRvIHBvc3QgcGF0 Y2hlcyBmb3IgdGhpcyB0aGVuIDopID8KPiAKPiBUaGFua3MKPiAKCkkgbWF5IG5vdCBwb3N0IHBh dGNoZXMgYXQgdGhlIG1vbWVudCBiZWNhdXNlIHRoZXJlIGFyZSBvdGhlciB0YXNrcy4KCkFmdGVy IGEgcGVyaW9kIG9mIHRpbWUsIEkgd2lsbCBjb25zaWRlciBpbXBsZW1lbnQgdGhlIGZlYXR1cmUu CgpUaGFua3MuCgo+IAo+Pgo+Pj4gLgo+Pj4KPj4KPiAKPiAuCj4gCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBs aXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlz dHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u