[PATCH] iommu/arm-smmu-v3: Make the kunit into a module

[Will Deacon]

On Wed, May 08, 2024 at 03:04:23PM -0300, Jason Gunthorpe wrote:
> On Wed, May 08, 2024 at 05:53:33PM +0100, Will Deacon wrote:
> > On Tue, May 07, 2024 at 11:33:21AM -0300, Jason Gunthorpe wrote:
> > > On Tue, May 07, 2024 at 03:22:48PM +0100, Will Deacon wrote:
> > > > On Tue, May 07, 2024 at 11:09:46AM -0300, Jason Gunthorpe wrote:
> > > > > On Tue, May 07, 2024 at 02:58:17PM +0100, Will Deacon wrote:
> > The DRM_XE one is tristate and has this interesting variant:
> > 
> > 	depends on ... && (m || (y && KUNIT=y))
> 
> Yeah, that is one of the novel ways to write the 'compatible
> modularity but not force enabled' check

Bah, and it looks like this has its own set of issues anyway:

https://lore.kernel.org/all/20240224121528.1972719-1-arnd@kernel.org/

> I suspect alot of these just predate the EXPORT_SYMBOL_IF_KUNIT
> infrastructure and should probably just be moved into
> modules.. modules clearly work better with kunit's ecosystem.

Fair enough. I'll suck it up given that this seems to be the new and
improved way of dealing with this problem. I'm just a bit paranoid about
exporting symbols (even within a namespace), probably thanks to my time
working on Android.

Will