On 24/05/2011 13:24, Robert Watson wrote:
Dear all:
Over the next few days, I will be merging a number of TCP-related
locking changes, as well as changes to various network stack
infrastructure bits, such as the netisr implementation. The goal,
generally, has been to move us in the direction of supporting more clear
CPU affinity for network flows, the ability to program filters in
network cards to support those affinities explicitly, and elimination of
cache line contention (whether by locks, stats, etc) during high-volume
parallel steady-state TCP load, with ancillary benefits (hopefully) for
UDP and other protocols. This has implied non-trivial changes to our
inpcb locking model, netisr code, etc. Detailed information will appear
in commit messages as I go; some elements, such a programming of card
filters based on setting TCP socket options, are very much a work in
progress.
This sounds great! Thanks! :)
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