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Wysocki" , Robin Murphy , Sean Paul Subject: [PATCH v4 0/2] io-pgtable-arm + drm/msm: Extend iova fault debugging Date: Thu, 23 May 2024 10:52:20 -0700 Message-ID: <20240523175227.117984-1-robdclark@gmail.com> X-Mailer: git-send-email 2.45.1 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rob Clark 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 Rob Clark (2): iommu/io-pgtable-arm: Add way to debug pgtable walk drm/msm: Extend gpu devcore dumps with pgtbl info drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 +++++ drivers/gpu/drm/msm/msm_gpu.c | 22 +++++++++++ drivers/gpu/drm/msm/msm_gpu.h | 8 ++++ drivers/gpu/drm/msm/msm_iommu.c | 18 +++++++++ drivers/gpu/drm/msm/msm_mmu.h | 5 ++- drivers/iommu/io-pgtable-arm.c | 51 ++++++++++++++++++++----- include/linux/io-pgtable.h | 4 ++ 7 files changed, 108 insertions(+), 10 deletions(-) -- 2.45.1