Re: [PATCH v10 20/50] KVM: SEV: Select CONFIG_KVM_SW_PROTECTED_VM when CONFIG_KVM_AMD_SEV=y

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Subject: Re: [PATCH v10 20/50] KVM: SEV: Select CONFIG_KVM_SW_PROTECTED_VM when CONFIG_KVM_AMD_SEV=y
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Wed, 13 Dec 2023 13:54:55 +0100
Cc: linux-coco@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, jroedel@xxxxxxx, thomas.lendacky@xxxxxxx, hpa@xxxxxxxxx, ardb@xxxxxxxxxx, seanjc@xxxxxxxxxx, vkuznets@xxxxxxxxxx, jmattson@xxxxxxxxxx, luto@xxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, slp@xxxxxxxxxx, pgonda@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, srinivas.pandruvada@xxxxxxxxxxxxxxx, rientjes@xxxxxxxxxx, dovmurik@xxxxxxxxxxxxx, tobin@xxxxxxx, bp@xxxxxxxxx, vbabka@xxxxxxx, kirill@xxxxxxxxxxxxx, ak@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, marcorr@xxxxxxxxxx, sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx, alpergun@xxxxxxxxxx, jarkko@xxxxxxxxxx, ashish.kalra@xxxxxxx, nikunj.dadhania@xxxxxxx, pankaj.gupta@xxxxxxx, liam.merwick@xxxxxxxxxx, zhi.a.wang@xxxxxxxxx
In-reply-to: <20231016132819.1002933-21-michael.roth@amd.com>
References: <20231016132819.1002933-1-michael.roth@amd.com> <20231016132819.1002933-21-michael.roth@amd.com>
User-agent: Mozilla Thunderbird

On 10/16/23 15:27, Michael Roth wrote:

SEV-SNP relies on the restricted/protected memory support to run guests,
so make sure to enable that support with the
CONFIG_KVM_SW_PROTECTED_VM build option.

Signed-off-by: Michael Roth<michael.roth@xxxxxxx>
---


Why select KVM_SW_PROTECTED_VM and not KVM_GENERIC_PRIVATE_MEM?

Paolo

Follow-Ups:
- Re: [PATCH v10 20/50] KVM: SEV: Select CONFIG_KVM_SW_PROTECTED_VM when CONFIG_KVM_AMD_SEV=y
  - From: Michael Roth

References:
- [PATCH v10 00/50] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support
  - From: Michael Roth
- [PATCH v10 20/50] KVM: SEV: Select CONFIG_KVM_SW_PROTECTED_VM when CONFIG_KVM_AMD_SEV=y
  - From: Michael Roth

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