On 3 Sep 2009, at 3:00pm, Volker A. Brandt wrote:
It seems that the domU is using 'page flip' mode to transfer network
packets from dom0 to the guest domain. None of the guests that we
regularly use take this path any more (they use 'hypervisor copy'
mode), so it's possible that the code in the Solaris driver has gone
rotten.
Hmmm... is that 'hypervisor copy' method the better one?
It places lower load on dom0 and also helps with PV drivers for fully-
virtualised guest domains.
Is 'page
flip' deprecated?
Yes.
If so, maybe the NetBSD people can pick this up in
the long run.
I had a quick look at the NetBSD source and couldn't see hypervisor
copy support. It's not difficult to add.
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