Re: [PATCH v2 01/11] RISC-V: Define helper functions expose hpm counter width and count

[Andrew Jones]

On Thu, Jan 12, 2023 at 10:18:05AM -0800, Atish Kumar Patra wrote:
> On Thu, Jan 12, 2023 at 2:06 AM Andrew Jones <ajones@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Thu, Dec 15, 2022 at 09:00:36AM -0800, Atish Patra wrote:
...
> > > +EXPORT_SYMBOL(riscv_pmu_get_hpm_info);
> >
> > EXPORT_SYMBOL_GPL ?
> >
> 
> Is that mandatory ? I have seen usage of both in arch/riscv and other
> places though.
> I am also not sure if any other non-GPL module should/need access to this.

TBH, I'm not sure what the best policy is, but I presumed we should use
_GPL when we aren't aware of anything non-GPL and then when a day comes
that something non-GPL would like this to be exported, the patch that
flips it will provide the justification in its commit message.

Thanks,
drew