rcu: Adjust the comment of function rcu_is_watching

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Because RCU avoids interrupting idle CPUs, rcu_is_watching() is used to
test whether or not it is currently legal to run RCU read-side critical
sections on this CPU.  However, the first sentence and last sentences
of current comment for rcu_is_watching have opposite meaning of what
is expected.  This commit therefore fixes this header comment.

Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

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Zhouyi Zhou 2018-10-08 06:50:41 +00:00 • committed by Paul E. McKenney

parent c669c014d1

commit 2320bda26d

1 changed files with 3 additions and 3 deletions

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kernel/rcu/tree.c

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