Messages in this thread | | | Date | Thu, 31 Oct 2013 15:43:11 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] scripts/kallsyms: filter symbols not in kernel address space |
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On Mon, 28 Oct 2013 23:48:59 +0800 Ming Lei <tom.leiming@gmail.com> wrote:
> This patch uses CONFIG_PAGE_OFFSET to filter symbols which > are not in kernel address space because these symbols are > generally for generating code purpose and can't be run at > kernel mode, so we needn't keep them in /proc/kallsyms. > > For example, on ARM there are some symbols which are > linked in relocatable code section, then perf can't parse > symbols any more from /proc/kallsyms, and this patch fixes > the problem.
This is a non-back-compatible change and I'd like to see a much stronger assurance that it is safe to merge and will not break any existing application on the planet, please.
For a start, please describe with great precision what these excluded symbols are (examples would help) and explain why no application will conceivably have had any use for them.
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