[PATCH] hardening: Refresh KCFI options, add some more

[Kees Cook]

On Mon, Apr 29, 2024 at 03:16:50PM -0700, Nathan Chancellor wrote:
> On Fri, Apr 26, 2024 at 03:29:44PM -0700, Kees Cook wrote:
> [...]
> > +# Enable Kernel Control Flow Integrity (currently Clang only).
> > +CONFIG_CFI_CLANG=y
> > +# CONFIG_CFI_PERMISSIVE is not set
> 
> Should this be a part of kernel/configs/hardening.config because RISC-V
> supports it (and 32-bit ARM will soon too)?

Probably yes. I was worried it might be "noisy" for archs that don't
support it, but frankly if someone is using "make hardening.config" they
probably want to know about unsupported options. :)

-- 
Kees Cook