aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/rcuclassic.c
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2008-01-25 21:08:24 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-25 21:08:24 +0100
commite0ecfa7917cafe72f4a75f87e8bb5d8d51dc534f (patch)
tree92106dbd88530d3884bc6c4d1c088cba1ad8630e /kernel/rcuclassic.c
parent01c1c660f4b8086cad7a62345fd04290f3d82c8f (diff)
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>
Diffstat (limited to 'kernel/rcuclassic.c')
-rw-r--r--kernel/rcuclassic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
index 18369e3386e2..ce0cf16cab67 100644
--- a/kernel/rcuclassic.c
+++ b/kernel/rcuclassic.c
@@ -371,9 +371,9 @@ static void __rcu_offline_cpu(struct rcu_data *this_rdp,
if (rcp->cur != rcp->completed)
cpu_quiet(rdp->cpu, rcp);
spin_unlock_bh(&rcp->lock);
+ rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail);
rcu_move_batch(this_rdp, rdp->curlist, rdp->curtail);
rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail);
- rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail);
}
static void rcu_offline_cpu(int cpu)

Privacy Policy