On Thu, Oct 10, 2019 at 08:17:48PM +0200, Jakub Sitnicki wrote: > This patch set changes how bpf(BPF_PROG_ATTACH) operates on flow dissector > hook when there is already a program attached. After this change the user > is allowed to update the program in a single syscall. Please see the first > patch for rationale. > > v1 -> v2: > > - Don't use CHECK macro which expects BPF program run duration, which we > don't track in attach/detach tests. Suggested by Stanislav Fomichev. > > - Test re-attaching flow dissector in both root and non-root network > namespace. Suggested by Stanislav Fomichev. > > > Jakub Sitnicki (2): > flow_dissector: Allow updating the flow dissector program atomically > selftests/bpf: Check that flow dissector can be re-attached > > net/core/flow_dissector.c | 10 +- > .../bpf/prog_tests/flow_dissector_reattach.c | 127 ++++++++++++++++++ > 2 files changed, 134 insertions(+), 3 deletions(-) > create mode 100644 tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c This needs a new rebase, doesn't apply cleanly. Please carry on Martin and Stanislav's tags. Thanks!
