Dominik Bozek writes: > Actually I made couple of other tests on that mpc8313. Most of them are > to ugly to publish them, but... My problem is that I have to boost the > gigabit interface on the mpc8313. I made simple substitution and > __copy_tofrom_user was used instead of memcpy. I know, it's wrong, but I > speedup that way the network interface for about 10%.
Very interesting. Can you work out where memcpy is being called on the network data? I wouldn't have expected that. There is actually no strong reason not to use __copy_tofrom_user as memcpy, in fact, as long as we are sure that source and destination are both cacheable. Paul. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
