Merge branch 'bpf-zero-hash-seed'

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Lorenz Bauer says:

====================
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
====================

Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

...

This commit is contained in:

Daniel Borkmann 2018-11-20 00:53:40 +01:00

parent 23499442c3 bf5d68c730

commit bbe5d311be

4 changed files with 82 additions and 17 deletions

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9

include/uapi/linux/bpf.h

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13

kernel/bpf/hashtab.c

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13

tools/include/uapi/linux/bpf.h

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68

tools/testing/selftests/bpf/test_maps.c

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