[PATCH] ucc_geth: Rework the TX logic.

Scott Wood scottwood at freescale.com
Tue Mar 31 04:22:03 EST 2009


Joakim Tjernlund wrote:
> gianfar does not seem to use in_/out_ functions for the BDs. Works just
> fine that too it seems.

It does now that it has explicit barriers in a few places.  Before they 
were added, it would sometimes fail under load.  That was due to a 
compiler reordering, but CPU reordering was possible as well.

-Scott



More information about the Linuxppc-dev mailing list