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Message-ID: <c76f77af-47cb-20a9-3187-8241284c6921@linux.intel.com>
Date:   Tue, 19 Apr 2022 07:26:11 -0700
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Subject: Re: [PATCH v3 4/4] platform/x86: intel_tdx_attest: Add TDX Guest
 attestation interface driver
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To:     Dave Hansen <dave.hansen@intel.com>,
        Kai Huang <kai.huang@intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
        Hans de Goede <hdegoede@redhat.com>,
        Mark Gross <mgross@linux.intel.com>
Cc:     "H . Peter Anvin" <hpa@zytor.com>,
        "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
        Tony Luck <tony.luck@intel.com>,
        Andi Kleen <ak@linux.intel.com>, linux-kernel@vger.kernel.org,
        platform-driver-x86@vger.kernel.org
References: <20220415220109.282834-1-sathyanarayanan.kuppuswamy@linux.intel.com>
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 <72205a7a-faf2-4322-02cd-303ee8252abb@intel.com>
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@linux.intel.com>
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On 4/19/22 7:24 AM, Dave Hansen wrote:
>> Current driver size is ~300 lines. It adds ~500 bytes to the kernel
>> binary if it is built-in.
> That doesn't sound like good use of a Kconfig option to me.  Just
> explain in the cover letter:
> 
> 	Any distribution enabling TDX is also expected to need
> 	attestation.  The compiled size is quite small (500 bytes).

Ok. I will add it.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer