> On Nov 16, 2018, at 3:41 AM, Lorenz Bauer <l...@cloudflare.com> wrote:
>
> Allow forcing the seed of a hash table to zero, for deterministic
> execution during benchmarking and testing.
>
> Changes from v2:
> * Change ordering of BPF_F_ZERO_SEED in linux/bpf.h
>
> Comments adressed from v1:
> * Add comment to discourage production use to linux/bpf.h
> * Require CAP_SYS_ADMIN
>
> Lorenz Bauer (4):
> bpf: allow zero-initializing hash map seed
> bpf: move BPF_F_QUERY_EFFECTIVE after map flags
> tools: sync linux/bpf.h
> tools: add selftest for BPF_F_ZERO_SEED
>
> include/uapi/linux/bpf.h | 9 ++--
> kernel/bpf/hashtab.c | 13 ++++-
> tools/include/uapi/linux/bpf.h | 13 +++--
> tools/testing/selftests/bpf/test_maps.c | 68 +++++++++++++++++++++----
> 4 files changed, 84 insertions(+), 19 deletions(-)
>
> --
> 2.17.1
>
