From: Arjan van de Ven <arjanv@redhat.com>
To: Chris Wright <chrisw@osdl.org>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: [PATCH 4/13] use cpu_relax() in busy loop
Date: Fri, 19 Sep 2003 09:34:44 +0200 [thread overview]
Message-ID: <1063956884.5394.3.camel@laptop.fenrus.com> (raw)
In-Reply-To: <20030918163156.H16499@osdlab.pdx.osdl.net>
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On Fri, 2003-09-19 at 01:31, Chris Wright wrote:
> Replace busy loop nop with cpu_relax().
>
> ===== drivers/cdrom/sonycd535.c 1.39 vs edited =====
> --- 1.39/drivers/cdrom/sonycd535.c Tue Sep 9 07:41:30 2003
> +++ edited/drivers/cdrom/sonycd535.c Thu Sep 18 10:52:41 2003
> @@ -1526,7 +1526,8 @@
> enable_interrupts();
> outb(0, read_status_reg); /* does a reset? */
> delay = jiffies + HZ/10;
> - while (time_before(jiffies, delay)) ;
> + while (time_before(jiffies, delay))
> + cpu_relax();
mdelay ?
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next prev parent reply other threads:[~2003-09-19 7:34 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 ` [PATCH 2/13] " Chris Wright
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 ` Arjan van de Ven [this message]
2003-09-19 19:48 ` [PATCH 4/13] " 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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