linux-kernel - Re: [PATCH] genpt: Make GENERIC

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Message-ID: <aRULf65eNaRIVEHN@ziepe.ca>
Date: Wed, 12 Nov 2025 18:34:39 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] genpt: Make GENERIC_PT invisible

On Wed, Nov 12, 2025 at 03:08:05PM +0100, Geert Uytterhoeven wrote:
> There is no point in asking the user about the Generic Radix Page
> Table API:
>   - All IOMMU drivers that use this API already select GENERIC_PT when
>     needed,
>   - Most users probably do not know what to answer anyway.
> 
> Fixes: 7c5b184db7145fd4 ("genpt: Generic Page Table base API")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  drivers/iommu/generic_pt/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I can't check this right now but I do recall trying to do this from
the start and it was not working out, it ended up not being
automatically turned on?

Did you test something like menuconfig and the IOMMU drivers are still
presented starting from an allnoconfig?

Thanks,
Jason