Paul Durrant wrote: > Andrew Gallatin wrote: >> >>> - in stream.c: add support of xesballoc() >> >> What is "PSARC 2008/539 esballoc: enhanced esballoc" >> The link in the webrev seems to be an internal Sun link. >> > > Drew, > > Yes, I notice the link does not work. For the group's info. I've > quoted the original PSARC case submission. > Note that the actual definition of the interface changed slightly for > approval (but you can see that in the code ;-)).
Ah, very clever idea. From measurements on other platforms, allocating rx buffers is one of the most expensive things that happens in the receive path, aside from touching recently DMA'ed, unprefetched memory. I imagine this helps a lot. Do you have any performance data to quantify the benefit? Drew _______________________________________________ driver-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/driver-discuss
