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(parent: 52b1fc3) | patch
rcu: Add comments marking transitions between RCU watching and not
authorPaul E. McKenney <paulmck@kernel.org>
Fri, 13 Mar 2020 00:01:57 +0000 (17:01 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 27 Apr 2020 18:03:50 +0000 (11:03 -0700)
commitac3caf827488d3bc4d4101ff34931abbfa33839d
treed83b5df29900ee7a3421465995b8c5892c4cf286tree | snapshot
parent52b1fc3f798d02a3a9d1cf7a84e98a795223410acommit | diff
rcu: Add comments marking transitions between RCU watching and not

It is not as clear as it might be just where in RCU's idle entry/exit
code RCU stops and starts watching the current CPU.  This commit therefore
adds comments calling out the transitions.

Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/rcu/tree.c diff | blob | history