linux-kernel - Re: [PATCH v8 04/11] x86/tdx: Add Intel ARCH support to cc_platform

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Message-ID: <50eaabfc-50b2-7617-ed9f-61f61b619cd8@infradead.org>
Date:   Mon, 4 Oct 2021 21:47:17 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, Paolo Bonzini <pbonzini@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Juergen Gross <jgross@...e.com>, Deep Shah <sdeep@...are.com>,
        VMware Inc <pv-drivers@...are.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>
Cc:     Peter H Anvin <hpa@...or.com>, Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 04/11] x86/tdx: Add Intel ARCH support to
 cc_platform_has()

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.

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


thanks.
-- 
~Randy