On Mon, Mar 28, 2016 at 11:29:52AM +0200, Borislav Petkov wrote:
> I think you want something like this: iterate over each core and put one
> of them into the mask.
>
> core = -1;
>
> for_each_online_cpu(cpu) {
> this_core = topology_core_id(cpu);
>
> if (this_core == core)
> continue;
>
> core = this_core;
>
> /* get any CPU on this compute unit */
> cpumask_set_cpu(cpumask_any(topology_sibling_cpumask(cpu)),
> mask);
> }
This will not in fact work for Intel, nor if I manage to one day
randomize our CPU numbers on AMD.
