On Wed, Apr 10, 2019 at 5:56 PM Sinan Kaya <ok...@kernel.org> wrote: > > We can't seem to have a kernel with CONFIG_EXPERT set but > CONFIG_DEBUG_KERNEL unset these days. > > While some of the features under the CONFIG_EXPERT require > CONFIG_DEBUG_KERNEL, it doesn't apply for all features. > > It looks like CONFIG_KALLSYMS_ALL is the only feature that > requires CONFIG_DEBUG_KERNEL. > > Select CONFIG_EXPERT when CONFIG_DEBUG_KERNEL is chosen but > you can still choose CONFIG_EXPERT without CONFIG_DEBUG_KERNEL. > > Signed-off-by: Sinan Kaya <ok...@kernel.org> > Reviewed-by: Kees Cook <keesc...@chromium.org>
Masahiro, should this go via your tree, or somewhere else? Thanks! -Kees > --- > init/Kconfig | 2 -- > lib/Kconfig.debug | 1 + > 2 files changed, 1 insertion(+), 2 deletions(-) > > diff --git a/init/Kconfig b/init/Kconfig > index 4592bf7997c0..37e10a8391a3 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -1206,8 +1206,6 @@ config BPF > > menuconfig EXPERT > bool "Configure standard kernel features (expert users)" > - # Unhide debug options, to make the on-by-default options visible > - select DEBUG_KERNEL > help > This option allows certain base kernel options and settings > to be disabled or tweaked. This is for specialized > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 0d9e81779e37..9fbf3499ec8d 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -434,6 +434,7 @@ config MAGIC_SYSRQ_SERIAL > > config DEBUG_KERNEL > bool "Kernel debugging" > + default EXPERT > help > Say Y here if you are developing drivers or trying to debug and > identify kernel problems. > -- > 2.21.0 > -- Kees Cook
