On (Thu) Jan 28 2010 [15:57:01], Matthew Booth wrote:
Amit pointed out that byte_limit, guest_byte_limit and cache_buffers are now
gone. They are removed in these updated patches.
BTW the virtio-serial device also has one parameter: max_ports. That can
be used to limit the number of ports that can be added to that device.
The default currently is at 31.
Limiting this number would be useful to limit the number of MSI vectors
that get reserved for the device. The total number of MSI vectors
available to guests is limited (IIRC 256).
Example:
-device virtio-serial,max_ports=4
or
-device virtio-serial-pci,max_ports=4
Amit
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