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On 10/30/2013 11:37 AM, Eric Blake wrote:
> On 10/30/2013 11:38 AM, Jeremy Fitzhardinge wrote:
>
>> libxl: fix dubious cpumask handling in libxlDomainSetVcpuAffinities
>>
>> Rather than casting the virBitmap pointer to uint8_t* and then using
>> the structure contents as a byte array, use the virBitmap API to
>> determine
>> the bitmap size and test each bit.
>
> Hmm, we already have virBitmapToData for converting from a virBitmap to
> a uint8_t; using that would be much faster for populating cpumap than
> doing a per-bit iteration over cpumask.
>
I looked at that, but I couldn't see it being any more efficient given
that we're typically talking about a small number of (v)CPUs.
J
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