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| author | Alexei Starovoitov <ast@kernel.org> | 2019-01-31 15:40:05 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-02-01 20:55:38 +0100 |
| commit | e16d2f1ab96849b4b65e64b82550a7ecdbf405eb (patch) | |
| tree | c5bb1bfee577712f7a0c1312716b2fb573560c74 /kernel/bpf/syscall.c | |
| parent | d83525ca62cf8ebe3271d14c36fb900c294274a2 (diff) | |
| download | lwn-e16d2f1ab96849b4b65e64b82550a7ecdbf405eb.tar.gz lwn-e16d2f1ab96849b4b65e64b82550a7ecdbf405eb.zip | |
bpf: add support for bpf_spin_lock to cgroup local storage
Allow 'struct bpf_spin_lock' to reside inside cgroup local storage.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index ebf0a673cb83..b29e6dc44650 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -482,7 +482,8 @@ static int map_check_btf(struct bpf_map *map, const struct btf *btf, if (map_value_has_spin_lock(map)) { if (map->map_type != BPF_MAP_TYPE_HASH && - map->map_type != BPF_MAP_TYPE_ARRAY) + map->map_type != BPF_MAP_TYPE_ARRAY && + map->map_type != BPF_MAP_TYPE_CGROUP_STORAGE) return -ENOTSUPP; if (map->spin_lock_off + sizeof(struct bpf_spin_lock) > map->value_size) { |