On 19-01-2022 09:24 am, Like Xu wrote: ... >>> In any diagram, we at least have three types of "reservation": >>> >>> - Reserved + grey >>> - Reserved, MBZ + grey >>> - Reserved + no grey >>> >>> So it is better not to think of "Reserved + grey" as "Reserved, MBZ + grey". >> >> Right. None of these bits MBZ. I was observing that the grey fields >> RAZ. However, that observation was on Zen2. Zen3 is different. Now, >> it's not clear to me what the grey highlights mean. Perhaps nothing at >> all. > > Anyway, does this fix [0] help with this issue, assuming AMD guys would come > up with a workaround for the host perf scheduler as usual ? Yes, that is WIP. You'll see a patch from Ravi. Regards, Ananth
