Re: [PATCH v7 01/12] x86/tdx: Add Intel ARCH support to cc_platform_has()

[Borislav Petkov]

On Thu, Sep 16, 2021 at 11:35:39AM -0700, Kuppuswamy Sathyanarayanan wrote:
> cc_platform_has() can be used to check for specific active confidential
> computing attributes, like memory encryption. For Intel platform like
> Trusted Domain eXtensions (TDX) guest has need for using this function
> to protect the TDX specific changes made in generic drivers.
> 
> So, extend cc_platform_has() and add support for Intel architecture
> variant (intel_cc_platform_has())
> 
> This is a preparatory commit needed before adding TDX guest support
> to intel_cc_platform_has().
> 
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
> ---
>  arch/x86/include/asm/intel_cc_platform.h | 15 +++++++++++++++
>  arch/x86/kernel/cc_platform.c            |  5 +++++
>  arch/x86/kernel/cpu/intel.c              |  9 +++++++++
>  3 files changed, 29 insertions(+)
>  create mode 100644 arch/x86/include/asm/intel_cc_platform.h

I did the below. Will queue the whole pile once -rc2 is out.

Thx.

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