Re: [PATCH v2 1/3] iommufd/viommu: Allow associating a KVM VM fd with a vIOMMU

[Jason Gunthorpe]

On Wed, Mar 11, 2026 at 09:18:07PM +0000, Jonathan Cameron wrote:
> > +#if IS_ENABLED(CONFIG_KVM)
> 
> Hmm. Really a question for Jason / Kevin, but so far this file is ifdef free.
> Should we keep it that way by spinning this stuff off to a separate .c file,
> or maybe use if (IS_ENABLED()) the implementation which I think means
> we need a stub for file_is_kvm()?

I'd prefer we add the stub, then you don't need any of these ifdefs
either..

Jason