From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: [kvm-devel] [PATCH 3/4] kvm/host: fix paravirt clocksource to
	be	compatible with xen.
Date: Sun, 18 May 2008 09:05:19 +0300
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References: <1210247315-20472-1-git-send-email-kraxel@redhat.com>
	<1210247315-20472-4-git-send-email-kraxel@redhat.com>
	<48294B5B.8020706@qumranet.com> <482D3C00.80707@redhat.com>
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Cc: kvm-devel@lists.sourceforge.net, virtualization@lists.osdl.org
To: Gerd Hoffmann <kraxel@redhat.com>
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Gerd Hoffmann wrote:
>
>>> +static uint32_t div_frac(uint32_t dividend, uint32_t divisor)
>>> +{
>>> +    uint32_t quotient, remainder;
>>> +
>>> +    __asm__ ( "divl %4"
>>> +          : "=a" (quotient), "=d" (remainder)
>>> +          : "0" (0), "1" (dividend), "r" (divisor) );
>>> +    return quotient;   
>>> +}
>>>   
>>>       
>> do_div()?
>>     
>
> No, this one does something else.  Already tried to get rid of that one
> before ;)
>
>   

There is actually a simpler way of coding this:


   return  dividend / divisor;

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.