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authorSean Christopherson <seanjc@google.com>2025-07-29 15:54:35 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2025-08-27 04:35:00 -0400
commit924121eebddcc6f062d1d2d20aafebe95f6fc290 (patch)
tree1a718a81b54829be2d793873218fbf95f8c68f69
parentb4ff2efb7e780094cf02bff1735b44410d383388 (diff)
KVM: x86: Select TDX's KVM_GENERIC_xxx dependencies iff CONFIG_KVM_INTEL_TDX=y
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. Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Message-ID: <20250729225455.670324-5-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch/x86/kvm/Kconfig4
1 files 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
help
Provides support for launching Intel Trust Domain Extensions (TDX)
confidential VMs on Intel processors.