Re: [PATCH v8 04/11] x86/tdx: Add Intel ARCH support to cc_platform_has()

[Kuppuswamy, Sathyanarayanan]

On 10/4/21 9:47 PM, Randy Dunlap wrote:
> On 10/4/21 7:51 PM, Kuppuswamy Sathyanarayanan wrote:
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index c42dd8a2d1f4..abb249dc829d 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -871,6 +871,7 @@ config INTEL_TDX_GUEST
> >       depends on SECURITY
> >       select X86_X2APIC
> >       select SECURITY_LOCKDOWN_LSM
> > +    select ARCH_HAS_CC_PLATFORM
>
> Where is ARCH_HAS_CC_PLATFORM defined, please?
> I can't seem to find it.

It is merged to tip tree.

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=46b49b12f3fc5e1347dba37d4639e2165f447871

> >       help
> >         Provide support for running in a trusted domain on Intel processors
> >         equipped with Trusted Domain eXtensions. TDX is a Intel technology
>
>
> thanks.

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer