From patchwork Tue Jan 22 07:45:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v5, 44/45] CPU hotplug, stop_machine: Decouple CPU hotplug from stop_machine() in Kconfig Date: Mon, 21 Jan 2013 21:45:22 -0000 From: Srivatsa S. Bhat X-Patchwork-Id: 214462 Message-Id: <20130122074518.13822.86992.stgit@srivatsabhat.in.ibm.com> To: tglx@linutronix.de, peterz@infradead.org, tj@kernel.org, oleg@redhat.com, paulmck@linux.vnet.ibm.com, rusty@rustcorp.com.au, mingo@kernel.org, akpm@linux-foundation.org, namhyung@kernel.org Cc: linux-arch@vger.kernel.org, linux@arm.linux.org.uk, nikunj@linux.vnet.ibm.com, linux-pm@vger.kernel.org, fweisbec@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, xiaoguangrong@linux.vnet.ibm.com, rjw@sisk.pl, sbw@mit.edu, wangyun@linux.vnet.ibm.com, srivatsa.bhat@linux.vnet.ibm.com, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org ... and also cleanup a comment that refers to CPU hotplug being dependent on stop_machine(). Cc: David Howells Signed-off-by: Srivatsa S. Bhat Reviewed-by: Paul E. McKenney --- include/linux/stop_machine.h | 2 +- init/Kconfig | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 3b5e910..ce2d3c4 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -120,7 +120,7 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); * @cpus: the cpus to run the @fn() on (NULL = any online cpu) * * Description: This is a special version of the above, which assumes cpus - * won't come or go while it's being called. Used by hotplug cpu. + * won't come or go while it's being called. */ int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); diff --git a/init/Kconfig b/init/Kconfig index be8b7f5..048a0c5 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1711,7 +1711,7 @@ config INIT_ALL_POSSIBLE config STOP_MACHINE bool default y - depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU + depends on (SMP && MODULE_UNLOAD) help Need stop_machine() primitive.