diff --git a/kernel/src/lib.rs b/kernel/src/lib.rs
index 3ea32c83b..fd6aea1b4 100644
--- a/kernel/src/lib.rs
+++ b/kernel/src/lib.rs
@@ -30,8 +30,6 @@
 #![feature(trait_upcasting)]
 #![register_tool(component_access_control)]
 
-use core::sync::atomic::Ordering;
-
 use ostd::{
     arch::qemu::{exit_qemu, QemuExitCode},
     boot,
@@ -79,7 +77,6 @@ pub fn main() {
     ostd::early_println!("[kernel] OSTD initialized. Preparing components.");
     component::init_all(component::parse_metadata!()).unwrap();
     init();
-    ostd::IN_BOOTSTRAP_CONTEXT.store(false, Ordering::Relaxed);
 
     // Spawn all AP idle threads.
     ostd::boot::smp::register_ap_entry(ap_init);
diff --git a/ostd/src/lib.rs b/ostd/src/lib.rs
index d9cf26a8d..1d8df5a8f 100644
--- a/ostd/src/lib.rs
+++ b/ostd/src/lib.rs
@@ -46,7 +46,7 @@ pub mod timer;
 pub mod trap;
 pub mod user;
 
-use core::sync::atomic::AtomicBool;
+use core::sync::atomic::{AtomicBool, Ordering};
 
 pub use ostd_macros::{main, panic_handler};
 pub use ostd_pod::Pod;
@@ -100,10 +100,12 @@ unsafe fn init() {
     arch::irq::enable_local();
 
     invoke_ffi_init_funcs();
+
+    IN_BOOTSTRAP_CONTEXT.store(false, Ordering::Relaxed);
 }
 
 /// Indicates whether the kernel is in bootstrap context.
-pub static IN_BOOTSTRAP_CONTEXT: AtomicBool = AtomicBool::new(true);
+pub(crate) static IN_BOOTSTRAP_CONTEXT: AtomicBool = AtomicBool::new(true);
 
 /// Invoke the initialization functions defined in the FFI.
 /// The component system uses this function to call the initialization functions of