tree cecf3ac969adce814200024f88eb0263c3c3fac1
parent 02b40ca09ad3f4d1db211b8a87c3b2b2461887d0
author Paul E. McKenney <paul.mckenney@linaro.org> 1348528111 -0700
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1348678522 -0700

rcu: Make rcutorture give diagnostics if CPU offline fails

This commit causes rcutorture to print the errno if cpu_down() fails
when the rcutorture "verbose" module parameter is specified.

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