From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756761Ab1GGOzU (ORCPT ); Thu, 7 Jul 2011 10:55:20 -0400 Received: from casper.infradead.org ([85.118.1.10]:36590 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755644Ab1GGOzR convert rfc822-to-8bit (ORCPT ); Thu, 7 Jul 2011 10:55:17 -0400 Subject: Re: [patch 00/17] CFS Bandwidth Control v7.1 From: Peter Zijlstra To: Ingo Molnar Cc: Paul Turner , linux-kernel@vger.kernel.org, Bharata B Rao , Dhaval Giani , Balbir Singh , Vaidyanathan Srinivasan , Srivatsa Vaddagiri , Kamalesh Babulal , Hidetoshi Seto , Pavel Emelyanov , Hu Tao In-Reply-To: <20110707145159.GD19193@elte.hu> References: <20110707053036.173186930@google.com> <20110707112302.GB8227@elte.hu> <1310049528.3282.583.camel@twins> <20110707145159.GD19193@elte.hu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 07 Jul 2011 16:54:42 +0200 Message-ID: <1310050482.3282.584.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-07-07 at 16:51 +0200, Ingo Molnar wrote: > > Going beyond that > > would be using static_branch() to track if there is any bandwidth > > tracking required at all. > > Could jump labels be utilized perhaps? # git grep static_branch include/linux/ include/linux/jump_label.h:static __always_inline bool static_branch(struct jump_label_key *key)