Changes v1 => v2: 1. Share irq_work with stackmap.c. (Daniel) 2. Add tests for illegal writes to task/vma from the callback function. (Daniel) 3. Other small fixes. Add helper bpf_find_vma. This can be used in some profiling use cases. It might also be useful for LSM. Song Liu (2): bpf: introduce helper bpf_find_vma selftests/bpf: add tests for bpf_find_vma include/linux/bpf.h | 1 + include/uapi/linux/bpf.h | 20 +++ kernel/bpf/mmap_unlock_work.h | 65 ++++++++++ kernel/bpf/stackmap.c | 71 +++-------- kernel/bpf/task_iter.c | 49 ++++++++ kernel/bpf/verifier.c | 36 ++++++ kernel/trace/bpf_trace.c | 2 + tools/include/uapi/linux/bpf.h | 20 +++ .../selftests/bpf/prog_tests/find_vma.c | 115 ++++++++++++++++++ tools/testing/selftests/bpf/progs/find_vma.c | 70 +++++++++++ .../selftests/bpf/progs/find_vma_fail1.c | 30 +++++ .../selftests/bpf/progs/find_vma_fail2.c | 30 +++++ 12 files changed, 454 insertions(+), 55 deletions(-) create mode 100644 kernel/bpf/mmap_unlock_work.h create mode 100644 tools/testing/selftests/bpf/prog_tests/find_vma.c create mode 100644 tools/testing/selftests/bpf/progs/find_vma.c create mode 100644 tools/testing/selftests/bpf/progs/find_vma_fail1.c create mode 100644 tools/testing/selftests/bpf/progs/find_vma_fail2.c -- 2.30.2
