PERFORCE change 68252 for review

David Xu davidxu at freebsd.org
Wed Jan 5 16:02:18 PST 2005


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 at 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



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