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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-04-19 07:37:45 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-06-08 08:25:27 -0700
commit9895313534d44e714785603a2af8db928904787e (patch)
tree6ac8b34efeaa447b61a19aa0962c57ae87c8772b /kernel/rcu/rcuperf.c
parentdcfc315b7b7a5e7668dd9cb2474708b51ab1cdb1 (diff)
downloadop-kernel-dev-9895313534d44e714785603a2af8db928904787e.zip
op-kernel-dev-9895313534d44e714785603a2af8db928904787e.tar.gz
checkpatch: Remove checks for expedited grace periods
There was a time when the expedited grace-period primitives (synchronize_rcu_expedited(), synchronize_rcu_bh_expedited(), and synchronize_sched_expedited()) used rather antisocial kernel facilities like try_stop_cpus(). However, they have since been housebroken to use only single-CPU IPIs, and typically cause less disturbance than a scheduling-clock interrupt. Furthermore, this disturbance can be eliminated entirely using NO_HZ_FULL on the one hand or the rcupdate.rcu_normal boot parameter on the other. This commit therefore removes checkpatch's complaints about use of the expedited RCU primitives. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/rcuperf.c')
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