[PATCH 01/16] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

From: Vitaly Kuznetsov When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary cpus are sent offline (with echo 0 > /sys/devices/system/cpu/cpu$cpu/online) the system freeze is observed. This happens due to the fact that on newer hypervisors (Win8, WS2012R2, ...) vmbus channel

[PATCH 01/16] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

From: Vitaly Kuznetsov vkuzn...@redhat.com When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary cpus are sent offline (with echo 0 /sys/devices/system/cpu/cpu$cpu/online) the system freeze is observed. This happens due to the fact that on newer hypervisors (Win8, WS2012R2,