lkml.org 
[lkml]   [2013]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] scripts/kallsyms: filter symbols not in kernel address space
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.



\
 
 \ /
  Last update: 2013-11-01 00:01    [W:0.110 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site