From: "D. Wythe" <alibuda@xxxxxxxxxxxxxxxxx> This patches attempt to support updating of progs with bpf netfilter link, introducing a new RCU-protected context to access the prog, and adding a corresponding test case. D. Wythe (2): netfilter: bpf: support prog update selftests/bpf: Add netfilter link prog update test net/netfilter/nf_bpf_link.c | 124 ++++++++++++++++++--- .../bpf/prog_tests/netfilter_link_update_prog.c | 83 ++++++++++++++ .../bpf/progs/test_netfilter_link_update_prog.c | 24 ++++ 3 files changed, 218 insertions(+), 13 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/netfilter_link_update_prog.c create mode 100644 tools/testing/selftests/bpf/progs/test_netfilter_link_update_prog.c -- 1.8.3.1