tree 92106dbd88530d3884bc6c4d1c088cba1ad8630e
parent 01c1c660f4b8086cad7a62345fd04290f3d82c8f
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1201291704 +0100
committer Ingo Molnar <mingo@elte.hu> 1201291704 +0100

Preempt-RCU: fix rcu_barrier for preemptive environment.

Fix rcu_barrier() to work properly in preemptive kernel environment.
Also, the ordering of callback must be preserved while moving
callbacks to another CPU during CPU hotplug.

Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>