On Fri, May 25, 2018 at 08:55:22AM -0700, Andrey Ignatov wrote:
> Static key is used to enable/disable cgroup-bpf related code paths at
> run time.
>
> Though it's not defined when cgroup-bpf is disabled at compile time,
> i.e. CONFIG_CGROUP_BPF=n, and if some code wants to use it, it has to do
> this:
>
> #ifdef CONFIG_CGROUP_BPF
> if (cgroup_bpf_enabled) {
> /* ... some work ... */
> }
> #endif
>
> This code can be simplified by setting cgroup_bpf_enabled to 0 for
> CONFIG_CGROUP_BPF=n case:
>
> if (cgroup_bpf_enabled) {
> /* ... some work ... */
> }
>
> And it aligns well with existing BPF_CGROUP_RUN_PROG_* macros that
> defined for both states of CONFIG_CGROUP_BPF.
>
> Signed-off-by: Andrey Ignatov <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
