linux-kernel - Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX

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Message-ID: <57b35f69-54c7-1dd5-599b-4099d3a9a671@suse.com>
Date:   Sat, 19 Jun 2021 13:59:08 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.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>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option

On 19.06.21 00:57, Kuppuswamy Sathyanarayanan wrote:
> Add INTEL_TDX_GUEST config option to selectively compile
> TDX guest support.
> 
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
> Reviewed-by: Andi Kleen <ak@...ux.intel.com>
> Reviewed-by: Tony Luck <tony.luck@...el.com>
> ---
>   arch/x86/Kconfig | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 0045e1b44190..ff79263aebd1 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -876,6 +876,21 @@ config ACRN_GUEST
>   	  IOT with small footprint and real-time features. More details can be
>   	  found in https://projectacrn.org/.
>   
> +config INTEL_TDX_GUEST
> +	bool "Intel Trusted Domain eXtensions Guest Support"
> +	depends on X86_64 && CPU_SUP_INTEL && PARAVIRT
> +	depends on SECURITY
> +	select PARAVIRT_XL

PARAVIRT_XL? Didn't you drop that?


Juergen

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