On 22 May 2013 14:36, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, May 22, 2013 at 02:04:16PM +0530, Viresh Kumar wrote:
>
>> So, this is the clean draft for the idea I had.. (Naming is poor for
>> now):
>>
>> diff --git a/include/linux/timer.h b/include/linux/timer.h
>> index 8c5a197..ad00ebe 100644
>> --- a/include/linux/timer.h
>> +++ b/include/linux/timer.h
>> @@ -20,6 +20,7 @@ struct timer_list {
>>
>> void (*function)(unsigned long);
>> unsigned long data;
>> + int wait_for_migration_to_complete;
>
> If you play games with the alignment constraints of struct tvec_base you
> can get extra low bits to play with for TIMER_FLAG_MASK. See struct
> pool_workqueue for similar games.
>
> That would avoid the struct bloat and I suppose make tglx happy :-)
Sure, once the initial draft is approved we can get it optimized to the
best of our capabilities. :)
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