That's just to say that I don't think that we need any BPF-specific fix beyond what Mathieu is doing in this patch, so: Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx> > A big hammer solution would be to make all grace periods waited for after > a bpf tracepoint probe unregister chain call_rcu and call_rcu_tasks_trace. > > Else, if we properly tag all programs attached to syscall tracepoints as > sleepable, then keeping the call_rcu_tasks_trace() only for those would > work. > > Thanks, > > Mathieu > > -- > Mathieu Desnoyers > EfficiOS Inc. > https://www.efficios.com >