On Mon, Apr 29, 2019 at 10:56:31AM -0700, Wei Li wrote: > Does this mean the performance could be improved via adding Batch I/O > submission support in Guest driver side which will be able to reduce the > number of virtqueue kicks?
Yes, I think so. It's not obvious to me how a Linux SCSI driver is supposed to implement batching though. The .queuecommand API doesn't seem to include information relevant to batching. Stefan
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