diff --git a/kernel/include/misc/MSR.h b/kernel/include/misc/MSR.h
index aec5e03f..1c7ae4db 100644
--- a/kernel/include/misc/MSR.h
+++ b/kernel/include/misc/MSR.h
@@ -13,6 +13,9 @@ struct MSR
     static void write_to(uint32_t msr_num, uint64_t value);
     static uint64_t read_from(uint32_t msr_num);
 
+    static void with_value_of(uint32_t msr_num, void (*callback)(uint64_t&));
+    void with_value(void (*callback)(uint64_t&));
+
   private:
     uint32_t m_msr_num;
 };
\ No newline at end of file
diff --git a/kernel/src/misc/MSR.cpp b/kernel/src/misc/MSR.cpp
index a5813bf7..a4e412da 100644
--- a/kernel/src/misc/MSR.cpp
+++ b/kernel/src/misc/MSR.cpp
@@ -27,4 +27,19 @@ uint64_t MSR::read()
 
 MSR::MSR(uint32_t msr_num) : m_msr_num(msr_num)
 {
+}
+
+void MSR::with_value_of(uint32_t msr_num, void (*callback)(uint64_t&))
+{
+    MSR msr(msr_num);
+    uint64_t value = msr.read();
+    callback(value);
+    msr.write(value);
+}
+
+void MSR::with_value(void (*callback)(uint64_t&))
+{
+    uint64_t value = read();
+    callback(value);
+    write(value);
 }
\ No newline at end of file