RE: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: RE: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
From: Dexuan Cui <decui@xxxxxxxxxxxxx>
Date: Fri, 24 Mar 2023 17:10:26 +0000
Cc: "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, KY Srinivasan <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, "wei.liu@xxxxxxxxxx" <wei.liu@xxxxxxxxxx>, "luto@xxxxxxxxxx" <luto@xxxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "davem@xxxxxxxxxxxxx" <davem@xxxxxxxxxxxxx>, "edumazet@xxxxxxxxxx" <edumazet@xxxxxxxxxx>, "kuba@xxxxxxxxxx" <kuba@xxxxxxxxxx>, "pabeni@xxxxxxxxxx" <pabeni@xxxxxxxxxx>, "lpieralisi@xxxxxxxxxx" <lpieralisi@xxxxxxxxxx>, "robh@xxxxxxxxxx" <robh@xxxxxxxxxx>, "kw@xxxxxxxxx" <kw@xxxxxxxxx>, "bhelgaas@xxxxxxxxxx" <bhelgaas@xxxxxxxxxx>, "arnd@xxxxxxxx" <arnd@xxxxxxxx>, "hch@xxxxxx" <hch@xxxxxx>, "m.szyprowski@xxxxxxxxxxx" <m.szyprowski@xxxxxxxxxxx>, "robin.murphy@xxxxxxx" <robin.murphy@xxxxxxx>, "thomas.lendacky@xxxxxxx" <thomas.lendacky@xxxxxxx>, "brijesh.singh@xxxxxxx" <brijesh.singh@xxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>, "kirill.shutemov@xxxxxxxxxxxxxxx" <kirill.shutemov@xxxxxxxxxxxxxxx>, "sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx" <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>, "ak@xxxxxxxxxxxxxxx" <ak@xxxxxxxxxxxxxxx>, "isaku.yamahata@xxxxxxxxx" <isaku.yamahata@xxxxxxxxx>, "dan.j.williams@xxxxxxxxx" <dan.j.williams@xxxxxxxxx>, "jane.chu@xxxxxxxxxx" <jane.chu@xxxxxxxxxx>, "seanjc@xxxxxxxxxx" <seanjc@xxxxxxxxxx>, "tony.luck@xxxxxxxxx" <tony.luck@xxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-hyperv@xxxxxxxxxxxxxxx" <linux-hyperv@xxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "linux-pci@xxxxxxxxxxxxxxx" <linux-pci@xxxxxxxxxxxxxxx>, "linux-arch@xxxxxxxxxxxxxxx" <linux-arch@xxxxxxxxxxxxxxx>, "iommu@xxxxxxxxxxxxxxx" <iommu@xxxxxxxxxxxxxxx>
In-reply-to: <20230324154856.GDZB3GaHG/3L0Q1x47@fat_crate.local>
Msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=2bd99fea-2fe3-4f34-8b9b-fa2b2fc0f56e;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2023-03-24T17:08:31Z;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47;
References: <1678329614-3482-1-git-send-email-mikelley@microsoft.com> <1678329614-3482-7-git-send-email-mikelley@microsoft.com> <20230320112258.GCZBhCEpNAIk0rUDnx@fat_crate.local> <BYAPR21MB16880C855EDB5AD3AECA473DD7809@BYAPR21MB1688.namprd21.prod.outlook.com> <20230320181646.GAZBijDiAckZ9WOmhU@fat_crate.local> <BYAPR21MB1688DF161ACE142DEA721DA1D7809@BYAPR21MB1688.namprd21.prod.outlook.com> <20230323134306.GEZBxXahNkFIx1vyzN@fat_crate.local> <20230324154856.GDZB3GaHG/3L0Q1x47@fat_crate.local>

> From: Borislav Petkov <bp@xxxxxxxxx>
> 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

Follow-Ups:
- Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Borislav Petkov
- Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Sathyanarayanan Kuppuswamy

References:
- [PATCH v6 00/13] Add PCI pass-thru support to Hyper-V Confidential VMs
  - From: Michael Kelley
- [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Michael Kelley
- Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Borislav Petkov
- RE: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Michael Kelley (LINUX)
- Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Borislav Petkov
- RE: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Michael Kelley (LINUX)
- Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
  - From: Borislav Petkov

Prev by Date: Re: [PATCH v2] PCI: imx6: Save and restore MSI control of RC in suspend and resume
Next by Date: Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
Previous by thread: Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
Next by thread: Re: [PATCH v6 06/13] x86/hyperv: Change vTOM handling to use standard coco mechanisms
Index(es):
- Date
- Thread

[Index of Archives] [DMA Engine] [Linux Coverity] [Linux USB] [Video for Linux] [Linux Audio Users] [Yosemite News] [Linux Kernel] [Linux SCSI] [Greybus]