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/task_iter.c | 102 +++++++++++++++++-
kernel/bpf/verifier.c | 36 +++++++
kernel/trace/bpf_trace.c | 2 +
tools/include/uapi/linux/bpf.h | 19 ++++
.../selftests/bpf/prog_tests/find_vma.c | 95 ++++++++++++++++
tools/testing/selftests/bpf/progs/find_vma.c | 70 ++++++++++++
8 files changed, 344 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/find_vma.c
create mode 100644 tools/testing/selftests/bpf/progs/find_vma.c
--
2.30.2