On Mon, 2017-04-10 at 07:53 +1000, Benjamin Herrenschmidt wrote: > FYI. pdbg in userspace operates without any delays in practice, the > overhead between the various load/store instructions seems > sufficient. > > The only delay that's needed is when going through the FSI2PIB (to do > SCOMs) where it seems like back-2-back accesses can be problematic.
Note: This isn't an objection to merging the patches. We can look at doing an improved backend later. Cheers, Ben.
