Re: [PATCH] issei: INTEL_SSEI should depend on X86

[Geert Uytterhoeven]

Hi David,

On Thu, 27 Aug 2026 at 10:35, David Laight <david.laight.linux@xxxxxxxxx> wrote:
> On Wed, 26 Aug 2026 16:03:11 +0200
> Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > On Wed, 26 Aug 2026 at 11:08, David Laight <david.laight.linux@xxxxxxxxx> wrote:
> > > On Thu,  6 Aug 2026 11:46:55 +0200
> > > Geert Uytterhoeven <geert+renesas@xxxxxxxxx> wrote:
> > > > The Intel Silicon Security Engine is only present on systems with Intel
> > > > Lunar Lake CPUs.  Hence add a dependency on X86, to prevent asking the
> > > > user about this subsystem when configuring a kernel for a non-x86
> > > > architecture.
> > >
> > > Should it be X86_64 ?
> >
> > I don't know. Can you still run 32-bit kernels on these CPUs?
>
> You should be able to, but there is no need to support new features.

FTR, INTEL_SSEI_HW_HECI (which depends on INTEL_SSEI) depends
on X86, too.

> > > > --- a/drivers/misc/issei/Kconfig
> > > > +++ b/drivers/misc/issei/Kconfig
> > > > @@ -2,6 +2,7 @@
> > > >  # Copyright (C) 2023-2026 Intel Corporation
> > > >  config INTEL_SSEI
> > > >       tristate "Intel Silicon Security Engine Interface"
> > > > +     depends on X86 || COMPILE_TEST
> > > >       help
> > > >         The ISSEI (Intel Silicon Security Engine Interface)
> > > >         subsystem provides a communication channel between the host and the

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds