On Thu, Sep 27, 2018 at 02:37:30PM -0700, Yonghong Song wrote: > Currently, helper bpf_get_current_cgroup_id() is not permitted > for CGROUP_DEVICE type of programs. If the helper is used > in such cases, the verifier will log the following error: > > 0: (bf) r6 = r1 > 1: (69) r7 = *(u16 *)(r6 +0) > 2: (85) call bpf_get_current_cgroup_id#80 > unknown func bpf_get_current_cgroup_id#80 > > The bpf_get_current_cgroup_id() is useful for CGROUP_DEVICE > type of programs in order to customize action based on cgroup id. > This patch added such a support. > > Cc: Roman Gushchin <g...@fb.com> > Signed-off-by: Yonghong Song <y...@fb.com>
Acked-by: Roman Gushchin <g...@fb.com> Thanks, Yonghong!
