linux-kernel - Re: [PATCH v7 05/12] x86/tdx: Add TDX guest support to intel_cc_platform

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Message-ID: <c19ef763-68c1-8188-c4e0-040e4392ba4d@linux.intel.com>
Date:   Thu, 23 Sep 2021 07:10:42 -0700
From:   "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Paolo Bonzini <pbonzini@...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>, 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 v7 05/12] x86/tdx: Add TDX guest support to
 intel_cc_platform_has()



On 9/23/21 3:36 AM, Borislav Petkov wrote:
> On Thu, Sep 16, 2021 at 11:35:43AM -0700, Kuppuswamy Sathyanarayanan wrote:
>> diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h
>> index 253f3ea66cd8..e38430e6e396 100644
>> --- a/include/linux/cc_platform.h
>> +++ b/include/linux/cc_platform.h
>> @@ -61,6 +61,15 @@ enum cc_attr {
>>   	 * Examples include SEV-ES.
>>   	 */
>>   	CC_ATTR_GUEST_STATE_ENCRYPT,
>> +
>> +	/**
>> +	 * @CC_ATTR_GUEST_TDX: Trusted Domain Extension Support
>> +	 *
>> +	 * The platform/OS is running as a TDX guest/virtual machine.
>> +	 *
>> +	 * Examples include SEV-ES.
> 			    ^^^^^^^
> 
> Copy/paste huh? :)

Yes. Sorry, I will fix it.

> 

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer