From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751976AbdBHUci (ORCPT ); Wed, 8 Feb 2017 15:32:38 -0500 Received: from scorn.kernelslacker.org ([45.56.101.199]:42022 "EHLO scorn.kernelslacker.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751373AbdBHUcP (ORCPT ); Wed, 8 Feb 2017 15:32:15 -0500 Date: Wed, 8 Feb 2017 15:30:27 -0500 From: Dave Jones To: Linus Torvalds Cc: Kees Cook , Thomas Gleixner , Xing Gao , Jessica Frazelle , John Stultz , "Eric W. Biederman" , Jonathan Corbet , Tejun Heo , Lai Jiangshan , Petr Mladek , Andrew Morton , Oleg Nesterov , Nicolas Iooss , Nicolas Pitre , Richard Cochran , "Paul E. McKenney" , Michal Marek , Josh Poimboeuf , Dmitry Vyukov , Olof Johansson , Shuah Khan , "open list:DOCUMENTATION" , Linux Kernel Mailing List , "kernel-hardening@lists.openwall.com" Subject: Re: [PATCH v2] time: Remove CONFIG_TIMER_STATS Message-ID: <20170208203027.r6v4apovtyi6nuu3@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Linus Torvalds , Kees Cook , Thomas Gleixner , Xing Gao , Jessica Frazelle , John Stultz , "Eric W. Biederman" , Jonathan Corbet , Tejun Heo , Lai Jiangshan , Petr Mladek , Andrew Morton , Oleg Nesterov , Nicolas Iooss , Nicolas Pitre , Richard Cochran , "Paul E. McKenney" , Michal Marek , Josh Poimboeuf , Dmitry Vyukov , Olof Johansson , Shuah Khan , "open list:DOCUMENTATION" , Linux Kernel Mailing List , "kernel-hardening@lists.openwall.com" References: <20170208192659.GA32582@beast> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-Spam-Score: -1.1 (-) X-Spam-Report: Spam detection software, running on the system "scorn.kernelslacker.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: On Wed, Feb 08, 2017 at 11:54:30AM -0800, Linus Torvalds wrote: > On Wed, Feb 8, 2017 at 11:26 AM, Kees Cook wrote: > > > > Given that the tracer can give the same information, this patch entirely > > removes CONFIG_TIMER_STATS. > > > > Suggested-by: Thomas Gleixner > > Signed-off-by: Kees Cook > > Acked-by: John Stultz > > Looks good to me. Let's wait for the 4.11 merge window though. I'm > assuming I'll get this through the tip timer tree.. [...] Content analysis details: (-1.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: chromium.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.8 RDNS_NONE Delivered to internal network by a host with no rDNS Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 08, 2017 at 11:54:30AM -0800, Linus Torvalds wrote: > On Wed, Feb 8, 2017 at 11:26 AM, Kees Cook wrote: > > > > Given that the tracer can give the same information, this patch entirely > > removes CONFIG_TIMER_STATS. > > > > Suggested-by: Thomas Gleixner > > Signed-off-by: Kees Cook > > Acked-by: John Stultz > > Looks good to me. Let's wait for the 4.11 merge window though. I'm > assuming I'll get this through the tip timer tree.. >>From a quick look at the source, powertop uses this file, and appears to handle it gracefully if it fails to open, but it will lose functionality to determine if a timer is deferred. Dave