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Re: [patch 14/26] net/slip: replace schedule_timeout() with msleep()

To: domen@xxxxxxxxxxxx
Subject: Re: [patch 14/26] net/slip: replace schedule_timeout() with msleep()
From: Jeff Garzik <jgarzik@xxxxxxxxx>
Date: Tue, 22 Mar 2005 18:59:14 -0500
Cc: netdev@xxxxxxxxxxx, nacc@xxxxxxxxxx
In-reply-to: <20050306103322.857041F203@trashy.coderock.org>
References: <20050306103322.857041F203@trashy.coderock.org>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922
domen@xxxxxxxxxxxx wrote:
Use msleep() instead of schedule_timeout() to guarantee
the task delays as expected. While the original code does use
TASK_INTERRUPTIBLE, it does not check for signals, so I believe msleep() is more
appropriate.

Signed-off-by: Nishanth Aravamudan <nacc@xxxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>
---


kj-domen/drivers/net/slip.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-)

diff -puN drivers/net/slip.c~msleep-drivers_net_slip drivers/net/slip.c
--- kj/drivers/net/slip.c~msleep-drivers_net_slip       2005-03-05 
16:10:49.000000000 +0100
+++ kj-domen/drivers/net/slip.c 2005-03-05 16:10:49.000000000 +0100
@@ -75,6 +75,7 @@
 #include <linux/if_arp.h>
 #include <linux/if_slip.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include "slip.h"
 #ifdef CONFIG_INET
 #include <linux/ip.h>
@@ -1395,10 +1396,8 @@ static void __exit slip_exit(void)
        /* First of all: check for active disciplines and hangup them.
         */
        do {
-               if (busy) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(HZ / 10);
-               }
+               if (busy)
+                       msleep(100);

msleep_interruptible



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