Re: [PATCH] arm64: make STACKPROTECTOR_PER_TASK configurable.

From: Masahiro Yamada
Date: Tue Mar 09 2021 - 09:55:19 EST


On Tue, Mar 9, 2021 at 10:35 PM Michal Suchánek <msuchanek@xxxxxxx> wrote:
>
> On Tue, Mar 09, 2021 at 10:22:36PM +0900, Masahiro Yamada wrote:
> > On Tue, Mar 9, 2021 at 9:35 PM Michal Suchanek <msuchanek@xxxxxxx> wrote:
> > >
> > > When using dummy-tools STACKPROTECTOR_PER_TASK is unconditionally
> > > selected. This defeats the purpose of the all-enabled tool.
> > >
> > > Description copied from arm
> > >
> > > Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > > Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
> >
> >
> > Could you explain what problem
> > this patch is trying to solve?
>
> The option cannot be disabled when compiler has the required capability.


Yes.
Currently, this symbol claims "def_bool y",
so there is no way to disable it.

But, it comes from the nature of Kconfig in general.

dummy-tools is completely unrelated here.







--
Best Regards
Masahiro Yamada