On Fri, Sep 1, 2023 at 4:13 AM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > Currently the Kconfig fragments in kernel/configs and arch/*/configs > that aren't used internally aren't discoverable through "make help", > which consists of hard-coded lists of config fragments. Instead, list > all the fragment targets that have a "# Help: " comment prefix so the > targets can be generated dynamically. > > Add logic to the Makefile to search for and display the fragment and > comment. Add comments to fragments that are intended to be direct targets. > > Cc: Nicolas Schier <nicolas@xxxxxxxxx> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx> > Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: x86@xxxxxxxxxx > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx > Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx > Cc: linux-s390@xxxxxxxxxxxxxxx > Cc: linux-kbuild@xxxxxxxxxxxxxxx > Cc: linux-hardening@xxxxxxxxxxxxxxx > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > Co-developed-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> > --- > v3: > - Use Makefile logic from Masahiro Yamada > - Use "# Help: " prefix, but only on desired fragment targets > v2: https://lore.kernel.org/all/20230825194329.gonna.911-kees@xxxxxxxxxx > v1: https://lore.kernel.org/all/20230824223606.never.762-kees@xxxxxxxxxx > --- > Makefile | 1 - > arch/arm/configs/dram_0x00000000.config | 1 + > arch/arm/configs/dram_0xc0000000.config | 1 + > arch/arm/configs/dram_0xd0000000.config | 1 + > arch/arm/configs/lpae.config | 1 + > arch/arm64/configs/virt.config | 1 + > arch/powerpc/configs/disable-werror.config | 1 + > arch/powerpc/configs/security.config | 4 +++- > arch/riscv/configs/32-bit.config | 1 + > arch/riscv/configs/64-bit.config | 1 + > arch/s390/configs/btf.config | 1 + > arch/s390/configs/kasan.config | 1 + > arch/x86/Makefile | 4 ---- > kernel/configs/debug.config | 2 ++ > kernel/configs/kvm_guest.config | 1 + > kernel/configs/nopm.config | 2 ++ > kernel/configs/rust.config | 1 + > kernel/configs/tiny.config | 2 ++ > kernel/configs/x86_debug.config | 1 + > kernel/configs/xen.config | 2 ++ > scripts/kconfig/Makefile | 15 ++++++++++++--- > 21 files changed, 36 insertions(+), 9 deletions(-) > Just one thing. > diff --git a/kernel/configs/tiny.config b/kernel/configs/tiny.config > index 00009f7d0835..60a4b6d80b36 100644 > --- a/kernel/configs/tiny.config > +++ b/kernel/configs/tiny.config > @@ -1,3 +1,5 @@ > +# Help: Size-optimized kernel image I will drop this. We already have a hard-coded help message. tinyconfig - Configure the tiniest possible kernel Then, some lines below, again. tiny.config - Size-optimized kernel image tiny.config is for internal use for tinyconfig. -- Best Regards Masahiro Yamada