On Tue, 2009-11-24 at 22:00 +0100, Segher Boessenkool wrote: > > Sure, the memory controllers don't do coherency. I'm slightly worried > about two things: > 1) Will the generic code use M=0 as well? Is it a problem if it > doesn't?
We can make it not do it. > 2) Do lwarx. etc. work in M=0? They should hopefully... as long as you don't rely on the reservation blowing as a result of a DMA write. Cheers, Ben _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
