David Stevens wrote:
The word "small" is coming up a lot in this discussion, and
I think packet size really has nothing to do with it. Multiple
streams generating packets of any size would benefit; the
key ingredient is a queue length greater than 1.
I think the intent is to remove queue lock cycles by taking
the whole list (at least up to the count of free ring buffers)
when the queue is greater than one packet, thus effectively
removing the lock expense for n-1 packets.
Which worked _very_ well (the whole list) going in the other direction for the
netisr queue(s) in HP-UX 10.20. OK, I promise no more old HP-UX stories for the
balance of the week :)
Taking some count of the list might be a triffle too complicated.
rick jones
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