modified _print() in src/serial.rs to avoid a deadlock by disabling interrupts as long as the Mutex is locked

1 files changed, 8 insertions, 4 deletions

diff --git a/StrixKernel/src/serial.rs b/StrixKernel/src/serial.rs
index e8807df..65596c3 100644
--- a/StrixKernel/src/serial.rs
+++ b/StrixKernel/src/serial.rs
@@ -13,10 +13,14 @@ lazy_static! {
 #[doc(hidden)]
 pub fn _print(args: ::core::fmt::Arguments) {
     use core::fmt::Write;
-    SERIAL1
-        .lock()
-        .write_fmt(args)
-        .expect("Printing to serial failed");
+    use x86_64::instructions::interrupts;
+    
+    interrupts::without_interrupts(|| {
+        SERIAL1
+            .lock()
+            .write_fmt(args)
+            .expect("Printing to serial failed");
+    });
 }
 
 /// Prints to the host through the serial interface.