Re: [Xen-devel] cpufreq: weird bug in set_time_scale

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

That's my code. I'll take a look!

 K.

On 11/10/07 16:55, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote:

> On my test machine, in set_time_scale(),
> the following code:
> ts->mul_frac = div_frac(MILLISECS(1000), tps32);
> crashes with a division by zero error if
> tps32 == 1000000000d.  Unfortunately, tps32 is
> often that value.
> 
> Does anyone know why this happens?  I've
> resolved it temporarily by checking for
> tps32 == 1000000000 and changing the
> value slightly (101000010d works fine
> on my test machine), but I'm not sure
> if that's the approved approach for Xen.
> 
> -Mark Langsdorf
> Operating System Research Center
> AMD
> 
> 
> 
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