[Xen-devel] free_irq_vector on ia64

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

Hi Alex:

I was looking at an ia64 bug report and noticed that we don't
actually free IRQs in the free_irq_vector hypercall.  This
would eventually lead to alloc_irq_vector failing.  Unless I'm
mistaken something like calling pci_disable_device and
pci_enable_device can lead to this situation.

So I'm wondering what the original problem was and how could
we resolve it without leaking the IRQ.  Any ideas?

Thanks,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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