Hi Rob, On Tue, Aug 27, 2024 at 11:17:08AM -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 > > Rob Clark (4): > iommu/io-pgtable-arm: Make pgtable walker more generic > iommu/io-pgtable-arm: Re-use the pgtable walk for iova_to_phys > iommu/io-pgtable-arm: Add way to debug pgtable walk > drm/msm: Extend gpu devcore dumps with pgtbl info Do you have plans to post another version of this series, as I am working on some patches, that would use some of the common page walk logic, so it would be more convenient to have them upstream. Otherwise, I can have your series as a dependency. Thanks, Mostafa > > drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 ++ > drivers/gpu/drm/msm/msm_gpu.c | 9 ++ > drivers/gpu/drm/msm/msm_gpu.h | 8 ++ > drivers/gpu/drm/msm/msm_iommu.c | 22 ++++ > drivers/gpu/drm/msm/msm_mmu.h | 3 +- > drivers/iommu/io-pgtable-arm.c | 149 +++++++++++++++--------- > include/linux/io-pgtable.h | 15 +++ > 7 files changed, 160 insertions(+), 56 deletions(-) > > -- > 2.46.0 >
