linux-kernel - Re: [PATCH 0/2] Move io-pgtable-arm selftest to KUnit

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Message-ID: <aMrNJw3obyu8IvBL@google.com>
Date: Wed, 17 Sep 2025 15:00:55 +0000
From: Mostafa Saleh <smostafa@...gle.com>
To: Jason Gunthorpe <jgg@...pe.ca>
Cc: iommu@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, robin.murphy@....com, will@...nel.org,
	joro@...tes.org, praan@...gle.com
Subject: Re: [PATCH 0/2] Move io-pgtable-arm selftest to KUnit

On Wed, Sep 17, 2025 at 11:44:35AM -0300, Jason Gunthorpe wrote:
> On Wed, Sep 17, 2025 at 02:02:01PM +0000, Mostafa Saleh wrote:
> > Instead, we can remove the __init constraint, and be able to run the tests
> > on-demand, and possibly compile it as a module.
> 
> I think you can just put the kunit in a module to avoid all this?

Yes, I don’t see the point of trying to run everything from __init,
relaxing that allows us to use more of the kunit infrastructure.
But, it’s more code to do so (it’s just longer to explain :)),
I can add a patch in between, modularizing the selftest before kunit.

> 
> alloc_io_pgtable_ops() is always exported, and I didn't notice any
> symbols crossing from io-pgtable-arm-selftests.c to io-pgtable-arm??

No there is not.

Thanks,
Mostafa

> 
> Jason