Re: [PATCH 4/13] use cpu_relax() in busy loop

[Arjan van de Ven]

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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