rcu: Identify dyntick-idle CPUs on first force_quiescent_state() pass
authorPaul E. McKenney <paul.mckenney@linaro.org>
Wed, 23 Nov 2011 23:02:05 +0000 (15:02 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 11 Dec 2011 18:32:05 +0000 (10:32 -0800)
commitf0e7c19db8798b4b991a2c71911e71f5dfdb348f
treefce748b22aeb29f8e28a28028211e777bc4123dd
parentc92b131bdcf89bf79870f1631d07547241a98f6c
rcu: Identify dyntick-idle CPUs on first force_quiescent_state() pass

Fixes and workarounds for a number of issues (for example, that in
df4012edc) make it safe to once again detect dyntick-idle CPUs on the
first pass of force_quiescent_state(), so this commit makes that change.

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