MFC 340460: Convert the number of MSI IRQs on x86 from a constant to a tunable.
The number of MSI IRQs still defaults to 512, but it can now be
changed at boot time via the machdep.num_msi_irqs tunable.
Relnotes: yes
MFC 340460: Convert the number of MSI IRQs on x86 from a constant to a tunable. Tags None Referenced Files None Subscribers None
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