Re: [PATCH v7 08/41] x86/shstk: Add user control-protection fault handler

Edgecombe, Rick P
2023-03-01T18:15:01Z

On Wed, 2023-03-01 at 19:06 +0100, Borislav Petkov wrote:
> On Mon, Feb 27, 2023 at 02:29:24PM -0800, Rick Edgecombe wrote:
> > diff --git a/arch/x86/kernel/cet.c b/arch/x86/kernel/cet.c
> > index 7ad22b705b64..cc10d8be9d74 100644
> > --- a/arch/x86/kernel/cet.c
> > +++ b/arch/x86/kernel/cet.c
> > @@ -4,10 +4,6 @@
> > #include <asm/bugs.h>
> > #include <asm/traps.h>
> >
> > -static __ro_after_init bool ibt_fatal = true;
> > -
> > -extern void ibt_selftest_ip(void); /* code label defined in asm
> > below */
> > -
> > enum cp_error_code {
> > CP_EC = (1 << 15) - 1,
>
> From a previous review:
>
> "That looks like a mask, so
>
> CP_EC_MASK
>
> I guess."

It is from the existing code:

https://lore.kernel.org/lkml/393a03d063dee5831af93ca67636df75a76481c3.camel@intel.com/#t

The rename certainly doesn't belong in the code move patch, but I took
the previous discussion to mean it didn't belong in this patch either.
Do you want me to add it to this one or a separate one?