> On Thu, 2007-08-02 at 19:03 +1000, Michael Neuling wrote: > > > > > > Ok, that was missing from your description :-) > > > > Sorry... so ditch the barriers? > > As you like. The reason why you can ditch them is purely because you > know for sure that the only case the firmware will access those shadows > from another CPU is that one and it happens to be just right. What are > the chances that in the future, FW will do something different and > nobody will "fix" the code ?
Yep, I might chat to some PHYP guys and see what they think. > Considering that eieios are fairly cheap and it's not a very hot code > path as far as I can tell, I'd rather keep them. OK. I'll keep them in for now and submit an optimisation patch later if need be. Mikey _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev