Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Andy Lutomirski <luto@kernel.org>
Cc:     Peter H Anvin <hpa@zytor.com>, Dave Hansen <dave.hansen@intel.com>,
        Tony Luck <tony.luck@intel.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        Kirill Shutemov <kirill.shutemov@linux.intel.com>,
        Sean Christopherson <seanjc@google.com>,
        Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
        x86@kernel.org, linux-kernel@vger.kernel.org
References: <20210618225755.662725-1-sathyanarayanan.kuppuswamy@linux.intel.com>
 <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com>
From:   Juergen Gross <jgross@suse.com>
Message-ID: <57b35f69-54c7-1dd5-599b-4099d3a9a671@suse.com>
Date:   Sat, 19 Jun 2021 13:59:08 +0200
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From: Juergen Gross <jgross@suse.com>
To: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>,
 Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
 Borislav Petkov <bp@alien8.de>, Peter Zijlstra <peterz@infradead.org>,
 Andy Lutomirski <luto@kernel.org>
Cc: Peter H Anvin <hpa@zytor.com>, Dave Hansen <dave.hansen@intel.com>,
 Tony Luck <tony.luck@intel.com>, Dan Williams <dan.j.williams@intel.com>,
 Andi Kleen <ak@linux.intel.com>,
 Kirill Shutemov <kirill.shutemov@linux.intel.com>,
 Sean Christopherson <seanjc@google.com>,
 Kuppuswamy Sathyanarayanan <knsathya@kernel.org>, x86@kernel.org,
 linux-kernel@vger.kernel.org
Message-ID: <57b35f69-54c7-1dd5-599b-4099d3a9a671@suse.com>
Subject: Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option
References: <20210618225755.662725-1-sathyanarayanan.kuppuswamy@linux.intel.com>
 <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com>
In-Reply-To: <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com>

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On 19.06.21 00:57, Kuppuswamy Sathyanarayanan wrote:
> Add INTEL_TDX_GUEST config option to selectively compile
> TDX guest support.
>=20
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@l=
inux.intel.com>
> Reviewed-by: Andi Kleen <ak@linux.intel.com>
> Reviewed-by: Tony Luck <tony.luck@intel.com>
> ---
>   arch/x86/Kconfig | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
>=20
> 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/.
>  =20
> +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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