tree b70d676b02c6311a638fdaa6f3df8773b39fade1
parent 26845c2860cebebe6ce2d9d01ae3cb3db84b7e29
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1271200702 -0700
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1273514914 -0700

rcu: improve RCU CPU stall-warning messages

The existing RCU CPU stall-warning messages can be confusing, especially
in the case where one CPU detects a single other stalled CPU.  In addition,
the console messages did not say which flavor of RCU detected the stall,
which can make it difficult to work out exactly what is causing the stall.
This commit improves these messages.

Requested-by: Dhaval Giani <dhaval.giani@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>