Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
User visible changes:
- Finish merging initial SDT (Statically Defined Traces) support, see
cset comments for details about how it all works (Masami Hiramatsu)
- Support attaching eBPF programs to tracepoints (Wang Nan)
Infrastructure changes:
- Fix up BITS_PER_LONG setting (Arnaldo Carvalho de Melo)
- Add fallback from ELF_C_READ_MMAP to ELF_C_READ in objtool, fixing
the build in libelf implementations lacking that elf_begin() cmd,
such as Alpine Linux's (Arnaldo Carvalho de Melo)
- Avoid checking code drift on busybox's diff in objtool (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>