Re: [PATCH 01/16] perf symbol: correct comment wrt kallsyms loading

From: Namhyung Kim
Date: Sat Aug 11 2012 - 09:14:46 EST


2012-08-10 (ê), 15:22 -0700, Cody P Schafer:
> In kallsyms_parse() when calling process_symbol() (a callback argument
> to kallsyms_parse()), we pass start as both start & end (ie:
> start=start, end=start).
>
> In map__process_kallsym_symbol(), the length is calculated as 'end - start + 1',
> making the length 1, not 0.
>
> Essentially, start & end define an inclusive range.
>

This seems not needed any more due to the patch #2, right?

Thanks,
Namhyung


> Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
> ---
> tools/perf/util/symbol.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
> index f02de8a..891f83c 100644
> --- a/tools/perf/util/symbol.c
> +++ b/tools/perf/util/symbol.c
> @@ -605,7 +605,7 @@ int kallsyms__parse(const char *filename, void *arg,
>
> /*
> * module symbols are not sorted so we add all
> - * symbols with zero length and rely on
> + * symbols, setting length to 1, and rely on
> * symbols__fixup_end() to fix it up.
> */
> err = process_symbol(arg, symbol_name,



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