diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2b2a9639d8ae..c42dd8a2d1f4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -865,6 +865,20 @@ config ACRN_GUEST
IOT with small footprint and real-time features. More details can be
found inhttps://projectacrn.org/.
+config INTEL_TDX_GUEST
+ bool "Intel Trusted Domain eXtensions Guest Support"
+ depends on X86_64 && CPU_SUP_INTEL && PARAVIRT
+ depends on SECURITY
+ select X86_X2APIC
+ select SECURITY_LOCKDOWN_LSM
+ help
+ Provide support for running in a trusted domain on Intel processors
+ equipped with Trusted Domain eXtensions. TDX is a Intel technology
+ that extends VMX and Memory Encryption with a new kind of virtual
+ machine guest called Trust Domain (TD). A TD is designed to run in
+ a CPU mode that protects the confidentiality of TD memory contents
+ and the TD’s CPU state from other software, including VMM.