Subject: Re: [PATCH v2] powerpc: kernel: remove useless code which related with 'max_cpus'

From: Benjamin Herrenschmidt <[email-masked]>
Date: Thu, 25 Jul 2013 15:51:45 +1000

On Thu, 2013-07-25 at 13:24 +0800, Chen Gang wrote:
> For an extern function, if the performance is not sensible, better to
> have the return value which can indicate the failure with the negative
> number.

The return value is meaningless.

We don't have a good way to handle it. It has no defined semantics. What
does "failure" means in that case ? Nothing !

So just remove it.

Ben.