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| author | Alexei Starovoitov <ast@fb.com> | 2017-10-03 07:50:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-05 01:05:05 +0200 |
| commit | 468e2f64d220fe2dc11caa2bcb9b3a1e50fc7321 (patch) | |
| tree | da21e580b4a534f6feab72ba479b6d3e0ad951f1 /kernel/cgroup | |
| parent | bpf: multi program support for cgroup+bpf (diff) | |
| download | linux-468e2f64d220fe2dc11caa2bcb9b3a1e50fc7321.tar.xz linux-468e2f64d220fe2dc11caa2bcb9b3a1e50fc7321.zip | |
bpf: introduce BPF_PROG_QUERY command
introduce BPF_PROG_QUERY command to retrieve a set of either
attached programs to given cgroup or a set of effective programs
that will execute for events within a cgroup
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
for cgroup bits
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/cgroup')
| -rw-r--r-- | kernel/cgroup/cgroup.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 57eb866ae78d..269512b94a94 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5761,4 +5761,14 @@ int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog, mutex_unlock(&cgroup_mutex); return ret; } +int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr, + union bpf_attr __user *uattr) +{ + int ret; + + mutex_lock(&cgroup_mutex); + ret = __cgroup_bpf_query(cgrp, attr, uattr); + mutex_unlock(&cgroup_mutex); + return ret; +} #endif /* CONFIG_CGROUP_BPF */ |