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.