Stanislav Fomichev 314f14abde bpftool: Enable libbpf's strict mode by default ... Otherwise, attaching with bpftool doesn't work with strict section names. Also: - Add --legacy option to switch back to pre-1.0 behavior - Print a warning when program fails to load in strict mode to point to --legacy flag - By default, don't append / to the section name; in strict mode it's relevant only for a small subset of prog types + bpftool --legacy prog loadall tools/testing/selftests/bpf/test_cgroup_link.o /sys/fs/bpf/kprobe type kprobe libbpf: failed to pin program: File exists Error: failed to pin all programs + bpftool prog loadall tools/testing/selftests/bpf/test_cgroup_link.o /sys/fs/bpf/kprobe type kprobe v1 -> v2: - strict by default (Quentin Monnet) - add more info to --legacy description (Quentin Monnet) - add bash completion (Quentin Monnet) Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20211110192324.920934-1-sdf@google.com		2021-11-12 16:54:58 +01:00
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bpftool	bpftool: Enable libbpf's strict mode by default	2021-11-12 16:54:58 +01:00