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| author | Martin KaFai Lau | 2016-06-30 19:28:43 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-07-01 22:30:38 +0200 |
| commit | 4ed8ec521ed57c4e207ad464ca0388776de74d4b (patch) | |
| tree | f656cf08ee272920b26cad8a91ae8d315242b5cd /kernel/bpf/verifier.c | |
| parent | cgroup: Add cgroup_get_from_fd (diff) | |
| download | kernel-qcow2-linux-4ed8ec521ed57c4e207ad464ca0388776de74d4b.tar.gz kernel-qcow2-linux-4ed8ec521ed57c4e207ad464ca0388776de74d4b.tar.xz kernel-qcow2-linux-4ed8ec521ed57c4e207ad464ca0388776de74d4b.zip | |
cgroup: bpf: Add BPF_MAP_TYPE_CGROUP_ARRAY
Add a BPF_MAP_TYPE_CGROUP_ARRAY and its bpf_map_ops's implementations.
To update an element, the caller is expected to obtain a cgroup2 backed
fd by open(cgroup2_dir) and then update the array with that fd.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index eec9f90ba030..69ba2251a22b 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1035,6 +1035,8 @@ static int check_map_func_compatibility(struct bpf_map *map, int func_id) if (func_id != BPF_FUNC_get_stackid) goto error; break; + case BPF_MAP_TYPE_CGROUP_ARRAY: + goto error; default: break; } |