Re: [PATCH v7 07/10] x86/vmscape: Use static_call() for predictor flush

[Pawan Gupta]

On Thu, Mar 19, 2026 at 10:44:09PM +0100, Peter Zijlstra wrote:
> > With _TRAMP, KVM complains:
> > 
> >  ERROR: modpost: "__SCK__vmscape_predictor_flush" [arch/x86/kvm/kvm.ko] undefined!
> 
> Ah, tricky. Yeah, this would need to be solved differenlty. Perhaps wrap
> this in a helper and export that?

Wrapper seems to be a simpler option.

> Or use the below little thing and change it to
> EXPORT_STATIC_CALL_FOR_MODULES(foo, "kvm"); or whatnot.

This would be nice if there are other static calls that would benefit from
exporting to specific modules only. At this point, I don't know.