What is the point of this function?

[Andrea Benelli]

So, it's just an override?
Why return true and not false?
Il 21 giu 2016 4:32 AM, "Nathan Williams" <ngwilliams at gmail.com> ha scritto:

> On Tue, 2016-06-21 at 00:48 +0200, Andrea Benelli wrote:
> > Hello, i was looking at the linux/sched.h (kernel version 4.6.2)
> > source code and i found this function at line 1174:
> >
> > static inline bool cpus_share_cache(int this_cpu, int that_cpu)
> > {
> >         return true;
> > }
> >
> > I'm not able to understand the utility of a function that just return
> > a true value.
> > i've noticed that there are a lot of functions like this (function
> > that just return a constant).
>
> Hi Andrea,
>
> That's the case for when CONFIG_SMP isn't defined. What happens when
> CONFIG_SMP is defined?
>
> I suggest having a look through the code with a Linux cross reference:
>
> http://lxr.free-electrons.com/ident?v=4.6;i=cpus_share_cache
>
> Regards,
> Nathan
>
>
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