Does Red Hat Enterprise Linux support IRQ affinity hints?

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Issue

Does Red Hat Enterprise Linux support IRQ affinity hints?
Upstream kernel 2.6.35 allows drivers to specify their own cpu affinity for each interrupt, is this in RHEL?

Environment

Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 5
Multi-queue network interface
irqbalance service to balance IRQs

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