Re: [Patch v5 11/16] x86/speculation: Add Spectre v2 app to app protection modes

[Jiri Kosina]

On Mon, 19 Nov 2018, Tim Chen wrote:

> >> +DEFINE_STATIC_KEY_FALSE(spectre_v2_app_lite);
> >> +EXPORT_SYMBOL_GPL(spectre_v2_app_lite);
> > 
> > Why would this be exported? The only usage site outside of this code is in
> > tlb.c which is hardly modular.
> 
> That was my initial thought too.  Ingo suggested to export it in
> review of v2.  Wonder Ingo has some reason?
> 
> https://lore.kernel.org/patchwork/patch/991759/

But why does it have to be exported at all, irrespective whether _GPL() or 
not?

Thanks,

-- 
Jiri Kosina
SUSE Labs