> So, HAVE_EBPF_JIT=y just means that BPF JIT _can_ be done on x86. There
> is a separate BPF_JIT setting to actually enable it.

Well, that doesn't seem to be present here. Just the HAVE_ symbol.

Careful, there's BPF and EBPF.

$ zgrep BPF /proc/config.gz
CONFIG_CGROUP_BPF=y
CONFIG_BPF=y
CONFIG_BPF_SYSCALL=y
# CONFIG_NETFILTER_XT_MATCH_BPF is not set
# CONFIG_NET_CLS_BPF is not set
# CONFIG_NET_ACT_BPF is not set
# CONFIG_BPF_JIT is not set
# CONFIG_BPF_STREAM_PARSER is not set
CONFIG_HAVE_EBPF_JIT=y
# CONFIG_TEST_BPF is not set