Hi Babu, On 8/30/2022 3:10 PM, Moger, Babu wrote: > On 8/30/2022 11:39 AM, Reinette Chatre wrote: >> Would the "SMBA" resource be available only when CXL.mem devices are present >> on the system? Since this is a CPU feature it is unclear to me whether >> presence of CXL.mem devices would be known at the time "SMBA" is enumerated. >> Could the "SMBA" resource thus exist without memory to throttle? > > Yes.The presence of the SMBA feature(with CXL.mem) is independent of whether slow memory is actually present in the system.If there is no slow memory, then setting a SMBA limit will have no impact on the performance of the system. > I think this is significant and should also be documented. Reinette
