On Wed, Jan 29, 2025 at 09:53:44AM +1100, Paul Mackerras wrote: > Power ISA v3.1 implementations in the Linux Compliancy Subset and > lower are not required to implement broadcast TLBIE, and in fact > Microwatt doesn't.
But this pretty much means that such systems cannot be SMP systems at all. Implementing the necessary synchronisation using some cobbled-together rickety jury-rigged contraption is not anyone's goal. Interesting that you did not see any performance loss, btw! Well you didn't try it on anything bigger than a simple dual CPU :-) Segher
