db3d2a3c74
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. Reviewed by: kib, royger (older version) Reviewed by: markj MFC after: 1 month Relnotes: yes Differential Revision: https://reviews.freebsd.org/D17977