From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Thu, 20 May 2010 21:52:28 +0000 (-0400)
Subject: Use schedule.
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fkernel%2Fsamples%2Fchar2%2F.git;a=commitdiff_plain;h=6a496796cb3b3b77abc8d429b2cb0aa7cb70be6b

Use schedule.
---

diff --git a/hellochar.c b/hellochar.c
index a197a1d..c3f26dc 100644
--- a/hellochar.c
+++ b/hellochar.c
@@ -41,7 +41,7 @@ static ssize_t hello_read(struct file *fp, char __user *buf, size_t sz,
 {
 	unsigned long expire = jiffies + 5 * HZ;
 	while (time_after(expire, jiffies))
-		cpu_relax();
+		schedule();
 	return 0;
 }