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cloud-hypervisor/vmm
Rob Bradford 4889999277 vmm: Only advertise a single PCI bus
Since we only support a single PCI bus right now advertise only a single
bus in the ACPI tables. This reduces the number of VM exits from probing
substantially.

Number of PCI config I/O port exits: 17871 -> 1551 (91% reduction) with
direct kernel boot.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-09-28 14:10:10 +02:00
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2021-09-28 14:10:10 +02:00