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Date: Thu, 06 Jan 2005 08:02:09 +0800
From: David Xu <davidxu@freebsd.org>
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To: John Baldwin <jhb@freebsd.org>
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cc: Perforce Change Reviews <perforce@freebsd.org>
Subject: Re: PERFORCE change 68252 for review
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John Baldwin wrote:

>On Tuesday 04 January 2005 08:14 am, David Xu wrote:
>  
>
>>http://perforce.freebsd.org/chv.cgi?CH=68252
>>
>>Change 68252 by davidxu@davidxu_tiger on 2005/01/04 13:14:06
>>
>>	insert "pause" instructor for  i386.
>>	style fix.
>>    
>>
>
>You can use 'cpu_spinwait()' for this to be MI.
>
>  
>
I know there is header file cpu.h, but it is too kernel oriented,
not every arch provides the function to userland, e.g,
alpha defined it in #ifdef _KERNEL section, userland can not
use it, why isn't it in cpufunc.h ?

David