rcu: Convert WARN_ON_ONCE() in rcu_lock_acquire() to lockdep
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 1 Feb 2012 18:30:46 +0000 (10:30 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 21 Feb 2012 17:06:09 +0000 (09:06 -0800)
commitbde23c6892878e48f64de668660778991bc2fb56
tree50d3ed77d58acc9098a2030be66728bc8c59f63e
parent7129d383d9f46eb8276bee5fb46df63f09a70130
rcu: Convert WARN_ON_ONCE() in rcu_lock_acquire() to lockdep

The WARN_ON_ONCE() in rcu_lock_acquire() results in infinite recursion
on S390, and also doesn't print very much information.  Remove this.

Updated patch to add lockdep-RCU assertions to RCU's read-side primitives.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
include/linux/rcupdate.h
include/linux/srcu.h