Re: [PATCH v10 0/4] io-pgtable-arm + drm/msm: Extend iova fault debugging

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On Tue, Dec 10, 2024 at 3:14 AM Will Deacon <will@xxxxxxxxxx> wrote:
>
> Hi Rob,
>
> On Mon, Oct 28, 2024 at 02:31:36PM -0700, Rob Clark wrote:
> > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> >
> > This series extends io-pgtable-arm with a method to retrieve the page
> > table entries traversed in the process of address translation, and then
> > beefs up drm/msm gpu devcore dump to include this (and additional info)
> > in the devcore dump.
> >
> > This is a respin of https://patchwork.freedesktop.org/series/94968/
> > (minus a patch that was already merged)
> >
> > v2:  Fix an armv7/32b build error in the last patch
> > v3:  Incorperate Will Deacon's suggestion to make the interface
> >      callback based.
> > v4:  Actually wire up the callback
> > v5:  Drop the callback approach
> > v6:  Make walk-data struct pgtable specific and rename
> >      io_pgtable_walk_data to arm_lpae_io_pgtable_walk_data
> > v7:  Re-use the pgtable walker added for arm_lpae_read_and_clear_dirty()
> > v8:  Pass pte pointer to callback so it can modify the actual pte
> > v9:  Fix selftests_running case
> > v10: Call visit cb for all nodes traversed, leave the decision about
> >      whether to care about non-leaf nodes to the callback
>
> Do you plan to respin this? I see Mostafa left a proposal on patch 3.

Yeah, his suggestion looked reasonable.  I'll try to get back to this
patchset today.

BR,
-R




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