On Tue, Jan 28, 2014 at 12:25:15PM -0800, Linus Torvalds wrote:
> On Tue, Jan 28, 2014 at 12:15 PM, Borislav Petkov <b...@alien8.de> wrote:
> >
> > Shouldn't we hold that down in the Kconfig help text of DEBUG_INFO?
> > Something like:
> >
> > "You don't need to enable this if you want symbolic names for kernel
> > objects. Enable CONFIG_KALLSYMS instead."
>
> Probably. And then we should make sure that allyesconfig/allmodconfig
> don't pick it.
>
> There *are* reasonable uses for DEBUG_INFO:
>
> - if you very actively and extensively use kgdb, DEBUG_INFO is very useful.
>
> - distros might want to build distro kernels with DEBUG_INFO for the
> kernel debug package
- objdump -S is kind of useful. I find myself using that quite often.
(like at least a dozen times each merge window)
pretty sure it works with DEBUG_INFO_REDUCED though, which is somewhat
faster than full DEBUG_INFO
Dave
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