Re: [RFC PATCH] PCI: remove access to pci_[enable|disable]_msi() for drivers

[Andi Kleen <ak@suse.de>]

> Yes, I think that the driver definitely needs to be in control of how
> many MSI-X interrupts it gets.  The current mthca driver knows that it
> has three different event queues -- one for firmware command events,
> one for async events such as link up/down, and one for actual tx/rx
> completions -- and uses a separate MSI-X message for each one.

The idea was always to have MSI by default and if the driver 
wants MSI-X it turns off standard MSI and does its own thing
completely.

-Andi
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