> -----Original Message----- > From: Borislav Petkov [mailto:[email protected]] > Sent: Wednesday, February 1, 2017 4:44 PM > > > To get around this we can set cu_id for all TOPOEXT systems, and update > > cpu_core_id, etc. for SMT enabled systems. This way we can just change > > cpu_core_id to cu_id in match_smt(). > > Ok, so we want to init ->cu_id to something invalid then. -1, for > example and then do: > > if (c->cu_id != -1 && o->cu_id != -1 && (c->cu_id == o->cu_id)) > ... > > Alternatively, we can define an X86_FEATURE_COMPUTE_UNITS or so > synthetic bit which we can check. > > One thing I don't want to do is reuse ->cu_id on systems which don't > have CUs. >
Okay, in that case I would prefer to define a synthetic bit. I think it'll be a lot more clear. Thanks, Yazen
