Re: [Xen-devel] [PATCH] xen/arm: minor improvement in smp_send_call_function_mask()

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Anup,

On 21/08/14 06:04, Anup Patel wrote:
> > The best alternative would be cpumask_empty.
> All three cpumask_empty(), cpumask_first(), and cpumask_weight()
> are O(N) where N is number of bits in cpumask.
> It really does not make much difference which of these operation
> is chosen.
Hmmm right. That the worst case for all, and always the case for 
cpumask_weight. Anyway...
> Since empty target list is fine with GIC Distributor, I will drop the check.
Assuming you only remove the check in the next version:

Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

Regards,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel