From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Subject: RE: Performance regression on kernels 3.10 and newer Date: Mon, 18 Aug 2014 09:03:21 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D1747969E@AcuExch.aculab.com> References: <53ECFDAB.5010701@intel.com> <1408041962.6804.31.camel@edumazet-glaptop2.roam.corp.google.com> <53ED4354.9090904@intel.com> <20140814.162024.2218312002979492106.davem@davemloft.net> <53EE4023.6080902@intel.com> <53EE5B25.3040206@intel.com> <53EE967F.9090101@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: David Miller , Eric Dumazet , Linux Netdev List , Rick Jones To: 'Alexander Duyck' , Tom Herbert Return-path: Received: from mx0.aculab.com ([213.249.233.131]:47268 "HELO mx0.aculab.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750711AbaHRJEc (ORCPT ); Mon, 18 Aug 2014 05:04:32 -0400 Received: from mx0.aculab.com ([127.0.0.1]) by localhost (mx0.aculab.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 18765-02 for ; Mon, 18 Aug 2014 10:04:23 +0100 (BST) In-Reply-To: <53EE967F.9090101@intel.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: RnJvbTogQWxleGFuZGVyIER1eWNrDQo+IC4uLg0KPiBBbm90aGVyIHRlc3QgSSB0cmllZCB3YXMg dG8gaGFjayB0aGUgbmV0dGVzdF9ic2QuYyBmaWxlIGluIG5ldHBlcmYgdG8NCj4gcGVyZm9ybSBh IHBvbGwoKSBiYXNlZCByZWNlaXZlLiAgVGhhdCByZXNvbHZlZCB0aGUgaXNzdWUgYW5kIGhhZCBh bGwgdGhlDQo+IHBlcmZvcm1hbmNlIG9mIHRoZSB0Y3BfbG93X2xhdGVuY3kgY2FzZS4gIEkgbWF5 IHNlZSBpZiBJIGNhbiB3b3JrIHdpdGgNCj4gUmljayB0byBwdXNoIHNvbWV0aGluZyBsaWtlIHRo YXQgaW50byBuZXRwZXJmIGFzIEkgcmVhbGx5IHdvdWxkIHByZWZlcg0KPiB0byBhdm9pZCBoYXZp bmcgdG8gYWR2aXNlIGV2ZXJ5b25lIG9uIGhvdyB0byBzZXR1cCB0aGUgc3lzY3RsIGZvcg0KPiB0 Y3BfbG93X2xhdGVuY3kuDQoNCkRvZXNuJ3QgdGhhdCBnZW5lcmF0ZSAyIHN5c3RlbSBjYWxscyBw ZXIgcmVjZWl2ZT8NClVubGVzcyBpdCBub3cgcmV0dXJucyBtb3JlIGRhdGEgcGVyIHJlY2VpdmUg SSdtIHN1cnByaXNlZCB0aGF0DQppdCBhY3R1YWxseSBmYXN0ZXIuDQoNCk9UT0ggSSd2ZSBzb21l IGNvZGUgdGhhdCBydW5zIGEgbG90IGJldHRlciB3aGVuIEkgcnVuIHdoaWxlIDo7IGRvIDo7IGRv bmUNCmZvciBhbGwgYnV0IG9uZSBvZiB0aGUgY3B1cy4NCkkgdGhpbmsgdGhhdCBpcyBiZWNhdXNl IHRoZSBwcm9jZXNzZXMgc3Bpbm5pbmcgaW4gdXNlcnNwYWNlIGRvbid0DQpnZXQgcHJlLWVtcHRl ZC4NCg0KCURhdmlkDQoNCg==