BPF: Disable on PREEMPT_RT

Disable BPF on PREEMPT_RT because
- it allocates and frees memory in atomic context
- it uses up_read_non_owner()
- BPF_PROG_RUN() expects to be invoked in non-preemptible context

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[dwagner: dropping KCM socket context]
Signed-off-by: Daniel Wagner <wagi@monom.org>
1 file changed