fix a problem with end. make uartputc() wait until h/w is ready.

1 files changed, 1 insertions, 1 deletions

diff --git a/proc.c b/proc.c
index e9aec5d..b696d0c 100644
--- a/proc.c
+++ b/proc.c
@@ -360,7 +360,7 @@ scheduler(void)
   for(;;){
     // Enable interrupts on this processor.
     intr_on();
-    
+
     // Loop over process table looking for process to run.
     acquire(&ptable.lock);
     for(p = ptable.proc; p < &ptable.proc[NPROC]; p++){