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by language 3090 days ago
iirc I think that the BPF JIT is disabled by default? Your kernel might be compiled with `CONFIG_BPF_JIT`, but I think the sysctl knob (`bpf_jit_enable`) is set to 0 by default. Also there's a sysctl for unprivileged BPF called `unprivileged_bpf_disabled`. On my system it seems to default to 0.

https://elixir.free-electrons.com/linux/v4.15-rc6/source/ker...