On Sat, Jun 16, 2012 at 07:30:58PM +0200, Peter Zijlstra wrote:
> On Sat, 2012-06-16 at 09:32 -0700, Paul E. McKenney wrote:
> > However, there is an effort to get rid of stop_machine() from the
> > CPU-down path... So something else will be needed.
>
> Elsewhere in this thread I mentioned we co
On Sat, 2012-06-16 at 09:32 -0700, Paul E. McKenney wrote:
> However, there is an effort to get rid of stop_machine() from the
> CPU-down path... So something else will be needed.
Elsewhere in this thread I mentioned we could do a synchronize_sched().
I think that covers most of what stop-machin
On Tue, May 29, 2012 at 03:16:04PM +0800, Yong Zhang wrote:
> From: Yong Zhang
>
> 1) call_function.lock used in smp_call_function_many() is just to protect
>call_function.queue and &data->refs, cpu_online_mask is outside of the
>lock. And it's not necessary to protect cpu_online_mask,
>
