FW: [PATCH] Stop packet_recv greediness,
stop using event_add_timed
Volker.Lendecke at SerNet.DE
Tue May 19 10:33:36 GMT 2009
On Tue, May 19, 2009 at 08:29:26PM +1000, Andrew Bartlett wrote:
> I'm pretty sure the whole design was to get in as many packets as
> possible. It may well be more than one, which is where the expected
> saving is particularly evident.
Yes, that's what I also think. Two points:
How large are those savings?
Don't we open up ourselves to a potential DoS? Do we prevent
sucking up stuff into user space faster than we handle it?
How can we make sure the kernel throttles the client by
closing the TCP window when there's more work than we can
swallow at the moment?
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