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rcu: update obsolete rcu_read_lock() comment.
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 8 Aug 2010 04:59:54 +0000 (21:59 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 20 Aug 2010 16:00:10 +0000 (09:00 -0700)
The comment says that blocking is illegal in rcu_read_lock()-style
RCU read-side critical sections, which is no longer entirely true
given preemptible RCU.  This commit provides a fix.

Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
include/linux/rcupdate.h patch | blob | history

diff --cc include/linux/rcupdate.h
Simple merge
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