kick_all_cpus_sync() is used to broadcast IPIs to all online CPUs to force
them synchronize caches, TLB etc. It is called only 3 times - from mm/slab
arm64 and powerpc code.
We can delay synchronization work for CPUs in extended quiescent state
(idle or nohz_full userspace).
As Paul E. McKenney
kick_all_cpus_sync() is used to broadcast IPIs to all online CPUs to force
them synchronize caches, TLB etc. It is called only 3 times - from mm/slab
arm64 and powerpc code.
We can delay synchronization work for CPUs in extended quiescent state
(idle or nohz_full userspace).
As Paul E. McKenney
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