rcu: add comment saying why DEBUG_OBJECTS_RCU_HEAD depends on PREEMPT.
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 31 Jan 2011 07:56:46 +0000 (23:56 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 4 Mar 2011 16:05:41 +0000 (08:05 -0800)
The build will break if you change the Kconfig to allow
DEBUG_OBJECTS_RCU_HEAD and !PREEMPT, so document the reasoning
near where the breakage would occur.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

No differences found