[PATCH v5 44/45] CPU hotplug, stop_machine: Decouple CPU hotplug from stop_machine() in Kconfig
Srivatsa S. Bhat
srivatsa.bhat at linux.vnet.ibm.com
Sun Feb 10 14:45:03 EST 2013
On 02/09/2013 05:45 AM, Paul E. McKenney wrote:
> 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 <dhowells at redhat.com>
>> Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat at linux.vnet.ibm.com>
>
> Reviewed-by: Paul E. McKenney <paulmck at linux.vnet.ibm.com>
>
> (Hey, I thought I owed myself an easy one!)
>
Haha ;-)
Regards,
Srivatsa S. Bhat
>> ---
>>
>> 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.
>>
>>
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