On 20/06/16 15:37, Ladi Prosek wrote:
Thanks - virtio devices may be configured to expose both I/O and memory
BARs, with either type being enough to drive the device. It is basically
a back-compat setup where older drivers can still use I/O ports and
newer may choose to use the so called "modern" interface.
We would like to avoid enabling PCI_COMMAND_IO / PCI_COMMAND_MEM if the
driver is not going to use it.
Why? What goes wrong if iPXE just enables both? Does this prevent iPXE
from using the modern interface?
Michael
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