diff --git a/.idea/DendrobatesTinctoriusAzureus.iml b/.idea/DendrobatesTinctoriusAzureus.iml
index 8f5daf7..d8e0190 100644
--- a/.idea/DendrobatesTinctoriusAzureus.iml
+++ b/.idea/DendrobatesTinctoriusAzureus.iml
@@ -18,11 +18,15 @@
       <sourceFolder url="file://$MODULE_DIR$/polling_serial/examples" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/polling_serial/tests" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/polling_serial/benches" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/cache_info/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/cache_utils/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/cache_info/examples" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/cache_info/tests" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/cache_info/benches" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/cache_utils/examples" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/cache_utils/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/cache_utils/benches" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/cache_info/target" />
+      <excludeFolder url="file://$MODULE_DIR$/cache_utils/target" />
       <excludeFolder url="file://$MODULE_DIR$/kernel/target" />
       <excludeFolder url="file://$MODULE_DIR$/polling_serial/target" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
diff --git a/Cargo.lock b/Cargo.lock
index 01cb3e0..47dd969 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,11 +32,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "cache_info"
+name = "cache_utils"
 version = "0.1.0"
 dependencies = [
  "polling_serial 0.1.0",
  "vga_buffer 0.1.0",
+ "x86_64 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -49,7 +50,7 @@ name = "dendrobates_tinctoreus_azureus"
 version = "0.1.0"
 dependencies = [
  "bootloader 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cache_info 0.1.0",
+ "cache_utils 0.1.0",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "linked_list_allocator 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "polling_serial 0.1.0",
diff --git a/Cargo.toml b/Cargo.toml
index fbb1e95..3be773e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@
 members = [
     "vga_buffer",
     "polling_serial",
-    "cache_info",
+    "cache_utils",
 ]
 
 [package]
@@ -29,7 +29,7 @@ vga_buffer = { path = "vga_buffer" }
 polling_serial = { path = "polling_serial" }
 volatile = "0.2.6"
 linked_list_allocator = "0.6.4"
-cache_info = { path = "cache_info" }
+cache_utils = { path = "cache_utils" }
 
 [dependencies.lazy_static]
 version = "1.0"
diff --git a/cache_info/src/prefetcher.rs b/cache_info/src/prefetcher.rs
deleted file mode 100644
index 8b13789..0000000
--- a/cache_info/src/prefetcher.rs
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/cache_info/Cargo.toml b/cache_utils/Cargo.toml
similarity index 88%
rename from cache_info/Cargo.toml
rename to cache_utils/Cargo.toml
index 3ba7091..d76badb 100644
--- a/cache_info/Cargo.toml
+++ b/cache_utils/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "cache_info"
+name = "cache_utils"
 version = "0.1.0"
 authors = ["guillaume didier <guillaume.didier@inria.fr>"]
 edition = "2018"
@@ -9,3 +9,4 @@ edition = "2018"
 [dependencies]
 polling_serial = { path = "../polling_serial" }
 vga_buffer = { path = "../vga_buffer" }
+x86_64 = "0.7.5"
diff --git a/cache_info/src/lib.rs b/cache_utils/src/lib.rs
similarity index 100%
rename from cache_info/src/lib.rs
rename to cache_utils/src/lib.rs
diff --git a/cache_utils/src/prefetcher.rs b/cache_utils/src/prefetcher.rs
new file mode 100644
index 0000000..4da983a
--- /dev/null
+++ b/cache_utils/src/prefetcher.rs
@@ -0,0 +1,19 @@
+use x86_64::registers::model_specific::Msr;
+
+const MSR_MISC_FEATURE8CONTROL: u32 = 0x1a4;
+
+pub fn prefetcher_status() -> bool {
+    let msr = Msr::new(MSR_MISC_FEATURE8CONTROL);
+    let value = unsafe { msr.read() };
+
+    value & 0xf != 0xf
+}
+
+pub fn enable_prefetchers(status: bool) {
+    let mut msr = Msr::new(MSR_MISC_FEATURE8CONTROL);
+    let mut value = unsafe { msr.read() } & !0xf;
+    if !status {
+        value |= 0xf;
+    }
+    unsafe { msr.write(value) };
+}
diff --git a/src/main.rs b/src/main.rs
index ff59d29..cb8da35 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,7 @@
 extern crate alloc;
 
 use bootloader::{entry_point, BootInfo};
-use cache_info;
+use cache_utils;
 use core::panic::PanicInfo;
 use dendrobates_tinctoreus_azureus::allocator;
 use polling_serial::serial_print;
@@ -81,7 +81,7 @@ fn kernel_main(boot_info: &'static BootInfo) -> ! {
 
     allocator::init_heap(&mut mapper, &mut frame_allocator).expect("heap initialization failed");
 
-    let caches = cache_info::get_cache_info();
+    let caches = cache_utils::get_cache_info();
     serial_println!("Caches:");
     serial_println!("{:#?}", caches);