On Mon, 4 Apr 2011 13:40:50 +0300 Artem Bityutskiy wrote: > From: Artem Bityutskiy <Artem.Bityutskiy@xxxxxxxxx> > > Dumb users like myself are not able to grasp from the existing KALLSYMS_ALL > documentation that this option is not what they need. Improve the help > message and make it clearer that KALLSYMS is enough in the majority of > use cases, and KALLSYMS_ALL should really be used very rarely. > > Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@xxxxxxxxx> > Cc: Paulo Marques <pmarques@xxxxxxxxxxxx> > Cc: Michal Marek <mmarek@xxxxxxx> > > --- > init/Kconfig | 18 ++++++++++++------ > 1 files changed, 12 insertions(+), 6 deletions(-) > > diff --git a/init/Kconfig b/init/Kconfig > index 56240e7..dae5297 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -968,12 +968,18 @@ config KALLSYMS_ALL > bool "Include all symbols in kallsyms" > depends on DEBUG_KERNEL && KALLSYMS > help > - Normally kallsyms only contains the symbols of functions, for nicer > - OOPS messages. Some debuggers can use kallsyms for other > - symbols too: say Y here to include all symbols, if you need them > - and you don't care about adding 300k to the size of your kernel. > - > - Say N. > + Normally kallsyms only contains the symbols of functions for nicer > + OOPS messages and backtraces(i.e., symbols from the text and inittext add space: backtraces (i.e., > + sections). This is sufficient for most cases. And only in very rare > + cases (e.g., when a debugger is used) all symbols are required (e.g., > + names of variables from the data sections, etc). > + > + This option makes sure that all symbols are loaded into the kernel > + image (i.e., symbols from all sections) in cost of increased kernel > + size (depending on the kernel configuration, it may be 300KiB or > + something like this). > + > + Say N unless you really need all symbols. > > config KALLSYMS_EXTRA_PASS > bool "Do an extra kallsyms pass" > -- > 1.7.2.3 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
