On Sat, Jan 10, 2026 at 9:53 AM Jörg Rödel [off-list ref] wrote:

On Fri, Jan 09, 2026 at 05:18:01PM +0000, Mostafa Saleh wrote:

quoted

Mostafa Saleh (4):
  iommu: Add page_ext for IOMMU_DEBUG_PAGEALLOC
  iommu: Add calls for IOMMU_DEBUG_PAGEALLOC
  iommu: debug-pagealloc: Track IOMMU pages
  iommu: debug-pagealloc: Check mapped/unmapped kernel memory

 .../admin-guide/kernel-parameters.txt         |   9 +
 drivers/iommu/Kconfig                         |  19 ++
 drivers/iommu/Makefile                        |   1 +
 drivers/iommu/iommu-debug-pagealloc.c         | 167 ++++++++++++++++++
 drivers/iommu/iommu-priv.h                    |  58 ++++++
 drivers/iommu/iommu.c                         |  11 +-
 include/linux/iommu-debug-pagealloc.h         |  32 ++++
 include/linux/mm.h                            |   5 +
 mm/page_ext.c                                 |   4 +
 9 files changed, 304 insertions(+), 2 deletions(-)
 create mode 100644 drivers/iommu/iommu-debug-pagealloc.c
 create mode 100644 include/linux/iommu-debug-pagealloc.h

Applied, thanks.

Thanks a lot! Based on the discussion on patch 3, I might need to
respin a new version.

Thanks,
Mostafa