From: kaashoek <kaashoek>
Date: Sat, 29 Jul 2006 01:20:15 +0000 (+0000)
Subject: acquire+release ide_lock in ide_intr
X-Git-Url: https://git.devinivas.org/?a=commitdiff_plain;h=e46fb46fcf4302bf5ed913101c5c7b510fe03ad4;p=cs3210-lab0.git

acquire+release ide_lock in ide_intr
---

diff --git a/ide.c b/ide.c
index 291ab83..88a1d4d 100644
--- a/ide.c
+++ b/ide.c
@@ -53,8 +53,10 @@ ide_init(void)
 void
 ide_intr(void)
 {
-  cprintf("ide_intr\n");
+  acquire(&ide_lock);
+  cprintf("%d: ide_intr\n", cpu());
   wakeup(&request[tail]);
+  release(&ide_lock);
 }
 
 int