linux-kernel - Re: [PATCH v17 03/24] KVM: x86: Select KVM_GENERIC_PRIVATE_MEM directly from KVM_SW_PROTECTED

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Message-ID: <CA+EHjTyZx5pU6Qhe8HNw_ciGXDVfasaD6eBnofSfUJk3VnbzTw@mail.gmail.com>
Date: Thu, 31 Jul 2025 09:08:18 +0100
From: Fuad Tabba <tabba@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>, 
	Oliver Upton <oliver.upton@...ux.dev>, kvm@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, Ira Weiny <ira.weiny@...el.com>, 
	Gavin Shan <gshan@...hat.com>, Shivank Garg <shivankg@....com>, Vlastimil Babka <vbabka@...e.cz>, 
	Xiaoyao Li <xiaoyao.li@...el.com>, David Hildenbrand <david@...hat.com>, 
	Ackerley Tng <ackerleytng@...gle.com>, Tao Chan <chentao@...inos.cn>, 
	James Houghton <jthoughton@...gle.com>
Subject: Re: [PATCH v17 03/24] KVM: x86: Select KVM_GENERIC_PRIVATE_MEM
 directly from KVM_SW_PROTECTED_VM

On Tue, 29 Jul 2025 at 23:55, Sean Christopherson <seanjc@...gle.com> wrote:
>
> Now that KVM_SW_PROTECTED_VM doesn't have a hidden dependency on KVM_X86,
> select KVM_GENERIC_PRIVATE_MEM from within KVM_SW_PROTECTED_VM instead of
> conditionally selecting it from KVM_X86.
>
> No functional change intended.
>
> Reviewed-by: Xiaoyao Li <xiaoyao.li@...el.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> ---


Reviewed-by: Fuad Tabba <tabba@...gle.com>

Cheers,
/fuad

>  arch/x86/kvm/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
> index 9895fc3cd901..402ba00fdf45 100644
> --- a/arch/x86/kvm/Kconfig
> +++ b/arch/x86/kvm/Kconfig
> @@ -46,7 +46,6 @@ config KVM_X86
>         select HAVE_KVM_PM_NOTIFIER if PM
>         select KVM_GENERIC_HARDWARE_ENABLING
>         select KVM_GENERIC_PRE_FAULT_MEMORY
> -       select KVM_GENERIC_PRIVATE_MEM if KVM_SW_PROTECTED_VM
>         select KVM_WERROR if WERROR
>
>  config KVM
> @@ -84,6 +83,7 @@ config KVM_SW_PROTECTED_VM
>         bool "Enable support for KVM software-protected VMs"
>         depends on EXPERT
>         depends on KVM_X86 && X86_64
> +       select KVM_GENERIC_PRIVATE_MEM
>         help
>           Enable support for KVM software-protected VMs.  Currently, software-
>           protected VMs are purely a development and testing vehicle for
> --
> 2.50.1.552.g942d659e1b-goog
>