Hi Andrew,

On Mon, Jun 24, 2019 at 04:32:45PM +0200, Andrey Konovalov wrote:

Andrey Konovalov (14):
  arm64: untag user pointers in access_ok and __uaccess_mask_ptr
  lib: untag user pointers in strn*_user
  mm: untag user pointers passed to memory syscalls
  mm: untag user pointers in mm/gup.c
  mm: untag user pointers in get_vaddr_frames
  fs/namespace: untag user pointers in copy_mount_options
  userfaultfd: untag user pointers
  drm/amdgpu: untag user pointers
  drm/radeon: untag user pointers in radeon_gem_userptr_ioctl
  IB/mlx4: untag user pointers in mlx4_get_umem_mr
  media/v4l2-core: untag user pointers in videobuf_dma_contig_user_get
  tee/shm: untag user pointers in tee_shm_register
  vfio/type1: untag user pointers in vaddr_get_pfn
  selftests, arm64: add a selftest for passing tagged pointers to kernel

Catalin Marinas (1):
  arm64: Introduce prctl() options to control the tagged user addresses
    ABI

 arch/arm64/Kconfig                            |  9 +++
 arch/arm64/include/asm/processor.h            |  8 +++
 arch/arm64/include/asm/thread_info.h          |  1 +
 arch/arm64/include/asm/uaccess.h              | 12 +++-
 arch/arm64/kernel/process.c                   | 72 +++++++++++++++++++
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c  |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c       |  2 +
 drivers/gpu/drm/radeon/radeon_gem.c           |  2 +
 drivers/infiniband/hw/mlx4/mr.c               |  7 +-
 drivers/media/v4l2-core/videobuf-dma-contig.c |  9 +--
 drivers/tee/tee_shm.c                         |  1 +
 drivers/vfio/vfio_iommu_type1.c               |  2 +
 fs/namespace.c                                |  2 +-
 fs/userfaultfd.c                              | 22 +++---
 include/uapi/linux/prctl.h                    |  5 ++
 kernel/sys.c                                  | 12 ++++
 lib/strncpy_from_user.c                       |  3 +-
 lib/strnlen_user.c                            |  3 +-
 mm/frame_vector.c                             |  2 +
 mm/gup.c                                      |  4 ++
 mm/madvise.c                                  |  2 +
 mm/mempolicy.c                                |  3 +
 mm/migrate.c                                  |  2 +-
 mm/mincore.c                                  |  2 +
 mm/mlock.c                                    |  4 ++
 mm/mprotect.c                                 |  2 +
 mm/mremap.c                                   |  7 ++
 mm/msync.c                                    |  2 +
 tools/testing/selftests/arm64/.gitignore      |  1 +
 tools/testing/selftests/arm64/Makefile        | 11 +++
 .../testing/selftests/arm64/run_tags_test.sh  | 12 ++++
 tools/testing/selftests/arm64/tags_test.c     | 29 ++++++++
 32 files changed, 232 insertions(+), 25 deletions(-)

It looks like we got to an agreement on how to deal with tagged user
addresses between SPARC ADI and ARM Memory Tagging. If there are no
other objections, what's your preferred way of getting this series into
-next first and then mainline? Are you ok to merge them into the mm
tree?

Thanks.

-- 
Catalin

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