linux-kernel - Re: [PATCH v6 1/4] iommu/io-pgtable-arm: Remove arm_lpae_dump

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Message-ID: <20251103184022.GF1204670@ziepe.ca>
Date: Mon, 3 Nov 2025 14:40:22 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Mostafa Saleh <smostafa@...gle.com>
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 v6 1/4] iommu/io-pgtable-arm: Remove arm_lpae_dump_ops()

On Mon, Nov 03, 2025 at 12:33:49PM +0000, Mostafa Saleh wrote:
> At the moment, if the selftest fails it prints a lot of information
> about the page table (size, levels...) this requires access to many
> internals, which has to be exposed in the next patch moving the
> tests out.
> 
> Instead, we can simplify the print to only print the fmt and
> for each test ias, oas and pgsize_bitmap are already printed.
> That is enough to identify the failed case, and the rest can
> be deduced from the code.
> 
> Signed-off-by: Mostafa Saleh <smostafa@...gle.com>
> ---
>  drivers/iommu/io-pgtable-arm.c | 41 ++++++++++++----------------------
>  1 file changed, 14 insertions(+), 27 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason