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SubjectRe: [PATCH 3/4] perf symbols: Record the build_ids of kernel modules too
> +		snprintf(name, sizeof(name),
> + "/sys/module/%s/notes/", line);

The arch linker script for .ko's is free to fold notes into a single
section with a different name or suchlike, and maybe future ones will. So
it's not pedantically kosher to assume the name of the section rather than
just looking at all the /sys/module/%s/notes/* files present until you find
NT_GNU_BUILD_ID. (In practice there is probably only ever one file there
to look at, but you never know.)


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