From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e37.co.us.ibm.com (e37.co.us.ibm.com [32.97.110.158]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e37.co.us.ibm.com", Issuer "GeoTrust SSL CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 8DA532C0087 for ; Sat, 9 Feb 2013 11:18:36 +1100 (EST) Received: from /spool/local by e37.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 8 Feb 2013 17:18:34 -0700 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 22A103E4004F for ; Fri, 8 Feb 2013 17:15:51 -0700 (MST) Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r190FwZx088510 for ; Fri, 8 Feb 2013 17:15:58 -0700 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r190FtGn031681 for ; Fri, 8 Feb 2013 17:15:58 -0700 Date: Fri, 8 Feb 2013 16:15:54 -0800 From: "Paul E. McKenney" To: "Srivatsa S. Bhat" Subject: Re: [PATCH v5 44/45] CPU hotplug, stop_machine: Decouple CPU hotplug from stop_machine() in Kconfig Message-ID: <20130209001554.GR2666@linux.vnet.ibm.com> References: <20130122073210.13822.50434.stgit@srivatsabhat.in.ibm.com> <20130122074518.13822.86992.stgit@srivatsabhat.in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20130122074518.13822.86992.stgit@srivatsabhat.in.ibm.com> Cc: linux-doc@vger.kernel.org, peterz@infradead.org, fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, linux-arch@vger.kernel.org, linux@arm.linux.org.uk, xiaoguangrong@linux.vnet.ibm.com, wangyun@linux.vnet.ibm.com, nikunj@linux.vnet.ibm.com, linux-pm@vger.kernel.org, rusty@rustcorp.com.au, rostedt@goodmis.org, rjw@sisk.pl, namhyung@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, oleg@redhat.com, sbw@mit.edu, tj@kernel.org, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org Reply-To: paulmck@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Jan 22, 2013 at 01:15:22PM +0530, Srivatsa S. Bhat wrote: > ... 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 (Hey, I thought I owed myself an easy one!) > --- > > 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. > >