diff --git a/arch/src/x86_64/mod.rs b/arch/src/x86_64/mod.rs
index 22d1a1cfe..83cb0876c 100644
--- a/arch/src/x86_64/mod.rs
+++ b/arch/src/x86_64/mod.rs
@@ -34,7 +34,7 @@ pub mod tdx;
 
 // While modern architectures support more than 255 CPUs via x2APIC,
 // legacy devices such as mptable support at most 254 CPUs.
-pub(crate) const MAX_SUPPORTED_CPUS_LEGACY: u32 = 254;
+pub const MAX_SUPPORTED_CPUS_LEGACY: u32 = 254;
 
 // CPUID feature bits
 #[cfg(feature = "kvm")]