This series allows the outer map to be updated with inner map in different size as long as it is safe (meaning the max_entries is not used in the verification time during prog load). Please see individual patch for details. Martin KaFai Lau (3): bpf: Clean up inner map type check bpf: Relax the max_entries check for inner map bpf: selftests: Add test for different inner map size include/linux/bpf.h | 18 +++++- include/linux/bpf_types.h | 64 +++++++++++-------- kernel/bpf/btf.c | 2 +- kernel/bpf/map_in_map.c | 12 ++-- kernel/bpf/syscall.c | 19 +++++- kernel/bpf/verifier.c | 2 +- .../selftests/bpf/prog_tests/btf_map_in_map.c | 12 ++++ .../selftests/bpf/progs/test_btf_map_in_map.c | 31 +++++++++ 8 files changed, 119 insertions(+), 41 deletions(-) -- 2.24.1
