On 03/21/2013 10:07 AM, Michael S. Tsirkin wrote:
>
> I just think it does not apply to BIOS so much. A bigger issue for BIOS
> virtio performance is that it normally does not implement batching at
> all, to keep it simple and reduce memory usage it uses a small number
> (often 1) of outstanding buffers per queue.
>
You asked for examples, so I gave one. There is no doubt that BIOS can
make use of this if available.
What you describe above is of course a typical problem with BIOS.
-hpa
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