Re: [PATCH v4] x86,cpu-hotplug: assign same CPU number to readded CPU

Ping. (2014/07/23 12:22), Yasuaki Ishimatsu wrote: llc_shared_map is not cleared even if CPU is offline or hot removed. So when hot-plugging CPU and assigning new CPU number to hot-added CPU, the mask has wrong value. The mask is used by CSF schduler to create sched_domain. So it breaks CFS sche

[PATCH v4] x86,cpu-hotplug: assign same CPU number to readded CPU

llc_shared_map is not cleared even if CPU is offline or hot removed. So when hot-plugging CPU and assigning new CPU number to hot-added CPU, the mask has wrong value. The mask is used by CSF schduler to create sched_domain. So it breaks CFS scheduler. Here is a example on my system. My system has