merge commit. probably broken tbh

libk/src/drivers/io/keyboard.rs

@@ -17,6 +17,7 @@ static WAKER: AtomicWaker = AtomicWaker::new();
 
 pub fn add_scancode(scancode: u8) {
     if let Some(queue) = KBD_QUEUE.get() {
+        if queue.push(scancode).is_err() {
         if queue.push(scancode).is_err() {
             println!("WARNING: scancode queue full; dropping keyboard input");
         } else {
@@ -54,6 +55,7 @@ impl Stream for ScancodeStream {
             return Poll::Ready(Some(scancode));
         }
 
+        WAKER.register(cx.waker());
         WAKER.register(cx.waker());
 
         queue.pop().map_or(Poll::Pending, |scancode| {

libk/src/drivers/scheduling/task.rs

@@ -127,6 +127,12 @@ impl TaskWaker {
     }
 }
 
+impl Default for Executor {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Wake for TaskWaker {
     fn wake(self: Arc<Self>) {
         self.wake_task();