kconfig.debug: clarify CONFIG_DEBUG_INFO help text

The following patch adds some extra clarification to the CONFIG_DEBUG_INFO
Kconfig help text.  The current text is mostly a recursive definition and
doesn't really say much of anything.  When I first read this I thought it
was going to enable extra verbosity in debug messages or something, but it
is only enabling the "gcc -g" compile option in the Makefile.

Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 79afd00bbe5f9bda464f0a73dd7f1811cdf79f50..bdbf3fe14de6fa2954e12267a2b8adc731b1edb0 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -333,6 +333,9 @@ config DEBUG_INFO
        help
           If you say Y here the resulting kernel image will include
          debugging info resulting in a larger kernel image.
+         This adds debug symbols to the kernel and modules (gcc -g), and
+         is needed if you intend to use kernel crashdump or binary object
+         tools like crash, kgdb, LKCD, gdb, etc on the kernel.
          Say Y here only if you plan to debug the kernel.
 
          If unsure, say N.