From: tip-bot for Frederic Weisbecker <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
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
Subject: [tip:sched/urgent] sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION=y
Date: Mon, 18 Dec 2017 05:22:50 -0800 [thread overview]
Message-ID: <tip-d94d105329e4a8a874853b5bd854b6587c41adda@git.kernel.org> (raw)
In-Reply-To: <1513275507-29200-4-git-send-email-frederic@kernel.org>
Commit-ID: d94d105329e4a8a874853b5bd854b6587c41adda
Gitweb: https://git.kernel.org/tip/d94d105329e4a8a874853b5bd854b6587c41adda
Author: Frederic Weisbecker <frederic@kernel.org>
AuthorDate: Thu, 14 Dec 2017 19:18:27 +0100
Committer: Ingo Molnar <mingo@kernel.org>
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 <frederic@kernel.org>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: kernel test robot <xiaolong.ye@intel.com>
Link: http://lkml.kernel.org/r/1513275507-29200-4-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
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: <RDP>,<reset>,<pci_scan>,<verbosity>
- 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,]<cpu-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
prev parent reply other threads:[~2017-12-18 13:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-14 18:18 [GIT PULL] Nohz and isolation fixes v2 Frederic Weisbecker
2017-12-14 18:18 ` [PATCH 1/3] sched/isolation: Make NO_HZ_FULL select CPU_ISOLATION Frederic Weisbecker
2017-12-18 13:21 ` [tip:sched/urgent] sched/isolation: Make CONFIG_NO_HZ_FULL select CONFIG_CPU_ISOLATION tip-bot for Paul E. McKenney
2017-12-14 18:18 ` [PATCH 2/3] sched/isolation: Enable CONFIG_CPU_ISOLATION=y by default Frederic Weisbecker
2017-12-18 13:22 ` [tip:sched/urgent] " tip-bot for Frederic Weisbecker
2017-12-14 18:18 ` [PATCH 3/3] sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION Frederic Weisbecker
2017-12-18 13:22 ` tip-bot for Frederic Weisbecker [this message]
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