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| author | David S. Miller <davem@davemloft.net> | 2014-11-01 18:53:27 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-01 18:53:27 (GMT) |
| commit | 55b42b5ca2dcf143465968697fe6c6503b05fca1 (patch) | |
| tree | 91878cd53efc44ba67244d4d3897020828c87c01 /kernel/rcu/tree.c | |
| parent | 10738eeaf4ab3de092586cefcc082e7d43ca0044 (diff) | |
| parent | ec1f1276022e4e3ca40871810217d513e39ff250 (diff) | |
| download | linux-55b42b5ca2dcf143465968697fe6c6503b05fca1.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/phy/marvell.c
Simple overlapping changes in drivers/net/phy/marvell.c
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/rcu/tree.c')
| -rw-r--r-- | kernel/rcu/tree.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 133e472..9815447 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3299,11 +3299,16 @@ static void _rcu_barrier(struct rcu_state *rsp) continue; rdp = per_cpu_ptr(rsp->rda, cpu); if (rcu_is_nocb_cpu(cpu)) { - _rcu_barrier_trace(rsp, "OnlineNoCB", cpu, - rsp->n_barrier_done); - atomic_inc(&rsp->barrier_cpu_count); - __call_rcu(&rdp->barrier_head, rcu_barrier_callback, - rsp, cpu, 0); + if (!rcu_nocb_cpu_needs_barrier(rsp, cpu)) { + _rcu_barrier_trace(rsp, "OfflineNoCB", cpu, + rsp->n_barrier_done); + } else { + _rcu_barrier_trace(rsp, "OnlineNoCB", cpu, + rsp->n_barrier_done); + atomic_inc(&rsp->barrier_cpu_count); + __call_rcu(&rdp->barrier_head, + rcu_barrier_callback, rsp, cpu, 0); + } } else if (ACCESS_ONCE(rdp->qlen)) { _rcu_barrier_trace(rsp, "OnlineQ", cpu, rsp->n_barrier_done); |