From e16d2f1ab96849b4b65e64b82550a7ecdbf405eb Mon Sep 17 00:00:00 2001 From: Alexei Starovoitov Date: Thu, 31 Jan 2019 15:40:05 -0800 Subject: 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 Signed-off-by: Daniel Borkmann --- kernel/bpf/syscall.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'kernel/bpf/syscall.c') 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) { -- cgit v1.2.2