What is the benefit of running CONFIG_SMP on single core device?

[Mj Embd]

I am running an ARM cpu and linux kernel during kernel init on SMP
enabled (running with single core in DT) sends SGI to itself while SMP
disabled does not.

Am puzzled why it does that?
AFAIK there is no hyper threading on ARM

On Wed, Apr 9, 2014 at 4:51 PM, Kristofer Hallin
<kristofer.hallin at gmail.com> wrote:
> Using SMP would let your system take advantage of HyperThreading. If
> you have a fairly decent CPU there is a good chance that your single
> core have support for HyperThreading which will improve
> parallelization.
>
> On Wed, Apr 9, 2014 at 1:05 PM, Mj Embd <mj.embd at gmail.com> wrote:
>> --
>> -mj
>>
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-mj