On 7/23/2025 6:46 PM, Fuad Tabba wrote:
From: Sean Christopherson <seanjc@xxxxxxxxxx> Select KVM_GENERIC_PRIVATE_MEM and KVM_GENERIC_MEMORY_ATTRIBUTES directly from KVM_INTEL_TDX, i.e. if and only if TDX support is fully enabled in KVM. There is no need to enable KVM's private memory support just because the core kernel's INTEL_TDX_HOST is enabled. Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> Signed-off-by: Fuad Tabba <tabba@xxxxxxxxxx>
Reviewed-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
--- arch/x86/kvm/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 402ba00fdf45..13ab7265b505 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -95,8 +95,6 @@ config KVM_SW_PROTECTED_VM config KVM_INTEL tristate "KVM for Intel (and compatible) processors support" depends on KVM && IA32_FEAT_CTL - select KVM_GENERIC_PRIVATE_MEM if INTEL_TDX_HOST - select KVM_GENERIC_MEMORY_ATTRIBUTES if INTEL_TDX_HOST help Provides support for KVM on processors equipped with Intel's VT extensions, a.k.a. Virtual Machine Extensions (VMX). @@ -135,6 +133,8 @@ config KVM_INTEL_TDX bool "Intel Trust Domain Extensions (TDX) support" default y depends on INTEL_TDX_HOST + select KVM_GENERIC_PRIVATE_MEM + select KVM_GENERIC_MEMORY_ATTRIBUTES
I had a similar patch internally, while my version doesn't select KVM_GENERIC_MEMORY_ATTRIBUTES here since it's selected by KVM_GENERIC_PRIVATE_MEM.
Anyway, next patch clean it up as well.
help Provides support for launching Intel Trust Domain Extensions (TDX) confidential VMs on Intel processors.
