Limit_req and ip addresses

Hi Folks,
I am using the limit_req module to limit the number of queries per
second based on ip adresses.
However, I want to allow some ip addressed (my whitelist) to make
unlimited requests per second.
Is there a way I can specify this in the conf?

Thanks,

ā€“
Subramanyam Chitti

bump Iā€™m also interesed.