From d249b5df8f03949040f5a4ddfe5b2f7b9b4b1740 Mon Sep 17 00:00:00 2001
From: Tom <tomut@yahoo.com>
Date: Sun, 28 Jun 2020 16:04:14 -0600
Subject: [PATCH] Kernel: Protect Console with SpinLock

---
 Kernel/Console.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Kernel/Console.cpp b/Kernel/Console.cpp
index 9f91261961..cf38867cf0 100644
--- a/Kernel/Console.cpp
+++ b/Kernel/Console.cpp
@@ -27,11 +27,13 @@
 #include <Kernel/Console.h>
 #include <Kernel/IO.h>
 #include <Kernel/kstdio.h>
+#include <Kernel/SpinLock.h>
 
 // Bytes output to 0xE9 end up on the Bochs console. It's very handy.
 #define CONSOLE_OUT_TO_E9
 
 static Console* s_the;
+static Kernel::SpinLock g_console_lock;
 
 Console& Console::the()
 {
@@ -77,6 +79,7 @@ ssize_t Console::write(Kernel::FileDescription&, size_t, const u8* data, ssize_t
 
 void Console::put_char(char ch)
 {
+    Kernel::ScopedSpinLock lock(g_console_lock);
 #ifdef CONSOLE_OUT_TO_E9
     //if (ch != 27)
     IO::out8(0xe9, ch);