Changes in tracing_multi_rollback.c en Copyright 2015 Java b349efe49a123f032e54d7e894d708ea5daa10d2 - selftests/bpf: Add tracing multi attach rollback tests http://kernelsources.org:8080/source/history/linux/tools/testing/selftests/bpf/progs/tracing_multi_rollback.c#b349efe49a123f032e54d7e894d708ea5daa10d2 selftests/bpf: Add tracing multi attach rollback testsAdding tests for the rollback code when the tracing_multilink won't get attached, covering 2 reasons: - wrong btf id passed by user, where all previously allocated trampolines will be released - trampoline for requested function is fully attached (has already maximum programs attached) and the link fails, the rollback code needs to release all previously link-ed trampolines and release themWe need the bpf_fentry_test* unattached for the tests to pass,so the rollback tests are serial.Signed-off-by: Jiri Olsa <jolsa@kernel.org>Link: https://lore.kernel.org/r/20260606123955.345967-30-jolsa@kernel.orgSigned-off-by: Alexei Starovoitov <ast@kernel.org> List of files: /linux/tools/testing/selftests/bpf/progs/tracing_multi_rollback.c Sat, 06 Jun 2026 14:39:54 +0200 Jiri Olsa <jolsa@kernel.org>