From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758646AbdLRN2E (ORCPT ); Mon, 18 Dec 2017 08:28:04 -0500 Received: from terminus.zytor.com ([65.50.211.136]:38095 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752997AbdLRN17 (ORCPT ); Mon, 18 Dec 2017 08:27:59 -0500 Date: Mon, 18 Dec 2017 05:22:50 -0800 From: tip-bot for Frederic Weisbecker Message-ID: Cc: peterz@infradead.org, lcapitulino@redhat.com, riel@redhat.com, efault@gmx.de, john.stultz@linaro.org, mingo@kernel.org, linux-kernel@vger.kernel.org, frederic@kernel.org, cmetcalf@mellanox.com, torvalds@linux-foundation.org, tglx@linutronix.de, paulmck@linux.vnet.ibm.com, cl@linux.com, hpa@zytor.com, kernellwp@gmail.com, xiaolong.ye@intel.com Reply-To: cmetcalf@mellanox.com, frederic@kernel.org, hpa@zytor.com, paulmck@linux.vnet.ibm.com, cl@linux.com, xiaolong.ye@intel.com, kernellwp@gmail.com, tglx@linutronix.de, torvalds@linux-foundation.org, riel@redhat.com, lcapitulino@redhat.com, peterz@infradead.org, linux-kernel@vger.kernel.org, efault@gmx.de, john.stultz@linaro.org, mingo@kernel.org In-Reply-To: <1513275507-29200-4-git-send-email-frederic@kernel.org> References: <1513275507-29200-4-git-send-email-frederic@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/urgent] sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION=y Git-Commit-ID: d94d105329e4a8a874853b5bd854b6587c41adda 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: d94d105329e4a8a874853b5bd854b6587c41adda Gitweb: https://git.kernel.org/tip/d94d105329e4a8a874853b5bd854b6587c41adda Author: Frederic Weisbecker AuthorDate: Thu, 14 Dec 2017 19:18:27 +0100 Committer: Ingo Molnar CommitDate: Mon, 18 Dec 2017 13:46:42 +0100 sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION=y The "isolcpus=" and "nohz_full=" boot parameters depend on CPU Isolation support. Let's document that. Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter Cc: John Stultz Cc: Linus Torvalds Cc: Luiz Capitulino Cc: Mike Galbraith Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner Cc: Wanpeng Li Cc: kernel test robot Link: http://lkml.kernel.org/r/1513275507-29200-4-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar --- Documentation/admin-guide/kernel-parameters.rst | 1 + Documentation/admin-guide/kernel-parameters.txt | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst index b2598cc..7242cbd 100644 --- a/Documentation/admin-guide/kernel-parameters.rst +++ b/Documentation/admin-guide/kernel-parameters.rst @@ -109,6 +109,7 @@ parameter is applicable:: IPV6 IPv6 support is enabled. ISAPNP ISA PnP code is enabled. ISDN Appropriate ISDN support is enabled. + ISOL CPU Isolation is enabled. JOY Appropriate joystick support is enabled. KGDB Kernel debugger support is enabled. KVM Kernel Virtual Machine support is enabled. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6571fbf..1683107 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1737,7 +1737,7 @@ isapnp= [ISAPNP] Format: ,,, - isolcpus= [KNL,SMP] Isolate a given set of CPUs from disturbance. + isolcpus= [KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance. [Deprecated - use cpusets instead] Format: [flag-list,] @@ -2662,7 +2662,7 @@ Valid arguments: on, off Default: on - nohz_full= [KNL,BOOT] + nohz_full= [KNL,BOOT,SMP,ISOL] The argument is a cpu list, as described above. In kernels built with CONFIG_NO_HZ_FULL=y, set the specified list of CPUs whose tick will be stopped