RE: [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv

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To: Tom Lendacky <thomas.lendacky@xxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, Tianyu Lan <ltykernel@xxxxxxxxx>
Subject: RE: [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv
From: Dexuan Cui <decui@xxxxxxxxxxxxx>
Date: Wed, 23 Aug 2023 03:08:53 +0000
Accept-language: en-US
Cc: KY Srinivasan <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "daniel.lezcano@xxxxxxxxxx" <daniel.lezcano@xxxxxxxxxx>, "arnd@xxxxxxxx" <arnd@xxxxxxxx>, "Michael Kelley (LINUX)" <mikelley@xxxxxxxxxxxxx>, Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>, "linux-arch@xxxxxxxxxxxxxxx" <linux-arch@xxxxxxxxxxxxxxx>, "linux-hyperv@xxxxxxxxxxxxxxx" <linux-hyperv@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, vkuznets <vkuznets@xxxxxxxxxx>
In-reply-to: <b4979997-23b9-0c43-574e-e4a3506500ff@amd.com>
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References: <20230818102919.1318039-1-ltykernel@gmail.com> <ZOQMiLEdPsD+pF8q@liuwe-devbox-debian-v2> <b4979997-23b9-0c43-574e-e4a3506500ff@amd.com>
Thread-index: AQHZ1TApIvlQ6j6w2EaWKJk4sPhtrK/3MTXA
Thread-topic: [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv

> From: Tom Lendacky <thomas.lendacky@xxxxxxx>
> Sent: Tuesday, August 22, 2023 12:38 PM
> To: Wei Liu <wei.liu@xxxxxxxxxx>; Tianyu Lan <ltykernel@xxxxxxxxx>
>  [...]
> Just found that this series fails to build if CONFIG_HYPERV is not set:
> 
> ld: arch/x86/kernel/cpu/mshyperv.o: in function `ms_hyperv_init_platform':
> /root/kernels/linux-next-build-x86_64/arch/x86/kernel/cpu/mshyperv.c:417:
> undefined reference to `isolation_type_en_snp'

I made a fix:
https://github.com/dcui/linux/commit/29fadabcaa2cb3466ace1dff13b4d948a71f888d

I'll post the fix immediately.

References:
- [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv
  - From: Tianyu Lan
- Re: [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv
  - From: Wei Liu
- Re: [PATCH v7 0/8] x86/hyperv: Add AMD sev-snp enlightened guest support on hyperv
  - From: Tom Lendacky

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