IRQ allocation in nvme driver

[Chayan Biswas]

Hi Matthew,

The nvme driver allocates MSIX vector 0 for admin queue, but it also allocates the same vector 0 for IO queue 0. Is this a bug, since any completion on the admin queue after MSIX IRQ allocation will generate an interrupt for IO queue 0?

We have changed our code to avoid this by allocating n+1 MSIX vectors and IO queue 0 using MSIX vector 1. If this fix is needed, we can send our patch.

Thanks,
Chayan


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