From: Chris Wright <chrisw@osdl.org>
To: linux-kernel@vger.kernel.org
Cc: chas@cmf.nrl.navy.mil, torvalds@osdl.org
Subject: [PATCH 2/13] use cpu_relax() in busy loop
Date: Thu, 18 Sep 2003 16:27:48 -0700 [thread overview]
Message-ID: <20030918162748.F16499@osdlab.pdx.osdl.net> (raw)
In-Reply-To: <20030918162522.E16499@osdlab.pdx.osdl.net>; from chrisw@osdl.org on Thu, Sep 18, 2003 at 04:25:22PM -0700
[PATCH 2/13] use cpu_relax() in busy loop
Replace busy loop nop with cpu_relax().
===== drivers/atm/fore200e.c 1.19 vs edited =====
--- 1.19/drivers/atm/fore200e.c Tue Sep 2 11:07:59 2003
+++ edited/drivers/atm/fore200e.c Thu Sep 18 10:42:17 2003
@@ -248,7 +248,8 @@
fore200e_spin(int msecs)
{
unsigned long timeout = jiffies + MSECS(msecs);
- while (time_before(jiffies, timeout));
+ while (time_before(jiffies, timeout))
+ cpu_relax();
}
next prev parent reply other threads:[~2003-09-18 23:27 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-18 23:25 [PATCH 1/13] " Chris Wright
2003-09-18 23:27 ` Chris Wright [this message]
2003-09-18 23:29 ` [PATCH 3/13] " Chris Wright
2003-09-18 23:31 ` [PATCH 4/13] " Chris Wright
2003-09-18 23:33 ` [PATCH 5/13] " Chris Wright
2003-09-18 23:34 ` [PATCH 6/13] " Chris Wright
2003-09-18 23:35 ` [PATCH 7/13] " Chris Wright
2003-09-18 23:36 ` [PATCH 8/13] " Chris Wright
2003-09-18 23:37 ` [PATCH 9/13] " Chris Wright
2003-09-18 23:40 ` [PATCH 10/13] " Chris Wright
2003-09-18 23:41 ` [PATCH 11/13] " Chris Wright
2003-09-18 23:43 ` [PATCH 12/13] " Chris Wright
2003-09-18 23:46 ` [PATCH 13/13] " Chris Wright
2003-09-20 7:37 ` [PATCH 9/13] " David S. Miller
2003-09-19 7:37 ` [PATCH 7/13] " Arjan van de Ven
2003-09-19 19:49 ` Chris Wright
2003-09-19 7:34 ` [PATCH 4/13] " Arjan van de Ven
2003-09-19 19:48 ` Chris Wright
2003-09-19 19:54 ` Arjan van de Ven
2003-09-19 7:33 ` [PATCH 2/13] " Arjan van de Ven
2003-09-19 19:49 ` Chris Wright
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