[PATCH 2/2] x86/intel_rdt/cqm: Improve limbo list processing

During a mkdir, we synchronously check the entire limbo list on each package for free RMIDs by sending IPIs and the worst case would end up taking more than tolerable amount of time in IPIs. For ex: On SKL we could end up reading all 192 RMIDs for llc_occupancy. Modify this to make some

[PATCH 2/2] x86/intel_rdt/cqm: Improve limbo list processing

During a mkdir, we synchronously check the entire limbo list on each package for free RMIDs by sending IPIs and the worst case would end up taking more than tolerable amount of time in IPIs. For ex: On SKL we could end up reading all 192 RMIDs for llc_occupancy. Modify this to make some