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CONFIG_BPF_JIT: enable BPF Just In Time compiler

General informations

The Linux kernel configuration item CONFIG_BPF_JIT:

Help text

Berkeley Packet Filter filtering capabilities are normally handled by an interpreter. This option allows kernel to generate a native code when filter is loaded in memory. This should speedup packet sniffing (libpcap/tcpdump).

Note, admin should enable this feature changing: /proc/sys/net/core/bpf_jit_enable /proc/sys/net/core/bpf_jit_harden (optional) /proc/sys/net/core/bpf_jit_kallsyms (optional)



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