On Tue, Mar 31, 2009 at 1:22 AM, Scott Wood <scottw...@freescale.com> wrote: > 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.
I noticed that in gianfar these memory access is not protected by "volatile". Can this be the reason why the compiler did some unwanted optimization? - Leo _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
