I guess that length of 1 effectively same as zero length in this case since we end up calling symbols__fixup_end. The 'end - start + 1' part looks like a leftover from previous change and not needed anymore - KSYM_NAME_LEN check too, IMHO - so I suggest using 0 length to make it clear.
Got it.
And it seems you need to rebase the series onto Arnaldo's current perf/core branch which separates out ELF bits to symbol-elf.c.
Will do. It apparently wasn't pushed out when I sent these patches, look for v2 shortly.
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