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authorThomas Gleixner <tglx@linutronix.de>2017-05-24 10:15:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-05-26 10:10:34 +0200
commit8f553c498e1772cccb39a114da4a498d22992758 (patch)
tree330413c2fd8061862daf7dfd281066a4353bcf32 /fs/efs
parent08332893e37af6ae779367e78e444f8f9571511d (diff)
cpu/hotplug: Provide cpus_read|write_[un]lock()
The counting 'rwsem' hackery of get|put_online_cpus() is going to be replaced by percpu rwsem. Rename the functions to make it clear that it's locking and not some refcount style interface. These new functions will be used for the preparatory patches which make the code ready for the percpu rwsem conversion. Rename all instances in the cpu hotplug code while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20170524081547.080397752@linutronix.de
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