rcu: Make rcutorture give diagnostics if CPU offline fails
authorPaul E. McKenney <paul.mckenney@linaro.org>
Mon, 24 Sep 2012 23:08:31 +0000 (16:08 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 23 Oct 2012 21:46:47 +0000 (14:46 -0700)
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>
kernel/rcutorture.c

Simple merge