From 286b2f3c3306a621c415e8c7ce67bc2a6501998a Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Tue, 20 Oct 2020 06:55:51 -0400
Subject: [PATCH] consolewrite does not need cons.lock -- can lead to sleep()
 with lock held

---
 kernel/console.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/console.c b/kernel/console.c
index d606ed2..23a2d35 100644
--- a/kernel/console.c
+++ b/kernel/console.c
@@ -60,14 +60,12 @@ consolewrite(int user_src, uint64 src, int n)
 {
   int i;
 
-  acquire(&cons.lock);
   for(i = 0; i < n; i++){
     char c;
     if(either_copyin(&c, user_src, src+i, 1) == -1)
       break;
     uartputc(c);
   }
-  release(&cons.lock);
 
   return i;
 }