On Thu, Mar 26, 2009 at 05:43:25PM +0100, Joakim Tjernlund wrote: [...] > > bd == ugeth->confBd[txQ] > > and > > !in_be32((u32 __iomem *)(bd+4)) > > > > Are not equivalent wrt. speed. MMIO accessors should be rather > > slow comparing to normal memory. > > Yes, I know. I did it this way because I something broke under stress > when ugeth->confBd[txQ] instead. The ucc_geth_tx() and > ucc_geth_start_xmit() > gets out of sync somehow.
Would be great if you could investigate it more. Maybe there is a serious bug somewhere, or maybe you're introducing another (yet hidden) bug... -- Anton Vorontsov email: cbouatmai...@gmail.com irc://irc.freenode.net/bd2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
