Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753261AbaBZUKT (ORCPT ); Wed, 26 Feb 2014 15:10:19 -0500 Received: from terminus.zytor.com ([198.137.202.10]:45046 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750968AbaBZUKR (ORCPT ); Wed, 26 Feb 2014 15:10:17 -0500 Date: Wed, 26 Feb 2014 12:07:34 -0800 From: tip-bot for Paul Gortmaker Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, fweisbec@gmail.com, rostedt@goodmis.org, tglx@linutronix.de, paul.gortmaker@windriver.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, fweisbec@gmail.com, rostedt@goodmis.org, tglx@linutronix.de, paul.gortmaker@windriver.com In-Reply-To: <1391711781-7466-1-git-send-email-paul.gortmaker@windriver.com> References: <1391711781-7466-1-git-send-email-paul.gortmaker@windriver.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:timers/core] nohz: ensure users are aware boot CPU is not NO_HZ_FULL Git-Commit-ID: f96a34e27df19335155394a235ea3a096bc52a71 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: f96a34e27df19335155394a235ea3a096bc52a71 Gitweb: http://git.kernel.org/tip/f96a34e27df19335155394a235ea3a096bc52a71 Author: Paul Gortmaker AuthorDate: Thu, 6 Feb 2014 13:36:21 -0500 Committer: Frederic Weisbecker CommitDate: Fri, 14 Feb 2014 17:59:17 +0100 nohz: ensure users are aware boot CPU is not NO_HZ_FULL This bit of information is in the Kconfig help text: "Note the boot CPU will still be kept outside the range to handle the timekeeping duty." However neither the variable NO_HZ_FULL_ALL, or the prompt convey this important detail, so lets add it to the prompt to make it more explicitly obvious to the average user. Acked-by: Paul E. McKenney Signed-off-by: Paul Gortmaker Cc: Ingo Molnar Cc: Paul Gortmaker Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1391711781-7466-1-git-send-email-paul.gortmaker@windriver.com Signed-off-by: Frederic Weisbecker --- kernel/time/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 3ce6e8c..f448513 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -124,7 +124,7 @@ config NO_HZ_FULL endchoice config NO_HZ_FULL_ALL - bool "Full dynticks system on all CPUs by default" + bool "Full dynticks system on all CPUs by default (except CPU 0)" depends on NO_HZ_FULL help If the user doesn't pass the nohz_full boot option to -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/