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Message-ID: <3224215f-4ac6-713b-9f88-0d68e0572126@linux.intel.com>
Date:   Fri, 24 Mar 2023 10:28:39 -0700
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Dexuan Cui <decui@...rosoft.com>, Borislav Petkov <bp@...en8.de>,
        "Michael Kelley (LINUX)" <mikelley@...rosoft.com>
Cc:     "hpa@...or.com" <hpa@...or.com>, KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "luto@...nel.org" <luto@...nel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
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        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
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        "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "isaku.yamahata@...el.com" <isaku.yamahata@...el.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "jane.chu@...cle.com" <jane.chu@...cle.com>,
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        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>
Subject: Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard
 coco mechanisms

Hi,

On 3/24/23 10:10 AM, Dexuan Cui wrote:
>> From: Borislav Petkov <bp@...en8.de>
>> Sent: Friday, March 24, 2023 8:49 AM
>> ...
>> With first six applied:
>>
>> arch/x86/coco/core.c:123:7: error: use of undeclared identifier 'sev_status'
>>                 if (sev_status & MSR_AMD64_SNP_VTOM)
>>                     ^
> 
> Your config doesn't define CONFIG_AMD_MEM_ENCRYPT:
> # CONFIG_AMD_MEM_ENCRYPT is not set

If you have config dependency, I think you should fix it in the code or add
Kconfig dependency.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

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