Today if the cpu handling broadcasting of wakeups goes offline, the job of
broadcasting is handed over to another cpu in the CPU_DEAD phase. The CPU_DEAD
notifiers are run only after the offline cpu sets its state as CPU_DEAD.
Meanwhile, the kthread doing the offline is scheduled out while waiting
On Tue, 20 Jan 2015, Preeti U Murthy wrote:
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -675,8 +675,8 @@ static void broadcast_move_bc(int deadcpu)
if (!bc || !broadcast_needs_cpu(bc, deadcpu))
return;
- /* This moves the broadcast
