Commit 924121ee authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

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: default avatarXiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Reviewed-by: default avatarFuad Tabba <tabba@google.com>
Message-ID: <20250729225455.670324-5-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent b4ff2efb

arch/x86/kvm/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -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.