On Mon, 21 Aug 2006, Anton Blanchard wrote:
>
> Hi,
>
> We have a bug report where sched_setaffinity fails for cpus that are
> hotplug added after boot. Nathan found this suspicious piece of code:
>
> void __init cpuset_init_smp(void)
> {
> top_cpuset.cpus_allowed = cpu_online_map;
> top_cpuset.mems_allowed = node_online_map;
> }
>
> Any reason we statically set the top level cpuset to the boot time cpu
> online map?
>
Are you suggesting that all possible cpus should be in the top cpuset,
instead of all existing cpus ?
I'd prefer the hotplugged CPUs being added to the top cpuset afterwards.
Simon.
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