diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-04-27 20:51:36 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-07-12 14:27:52 -0700 |
| commit | e0da2374c3881cb9a512e2718f9ca655a48de9db (patch) | |
| tree | ee45b80fe24d7f5c368878a00b1f2fdca0bd3519 | |
| parent | 03c8cb765a747c02fd8d3fade1efe9d529ad54bd (diff) | |
rcu: Move rcu_nocb_gp_get() to ->gp_seq
This commit makes rcu_try_advance_all_cbs() use ->gp_seq. It uses
rcu_seq_ctr() in order to shift away the state bits, so that the
low-order bits of the result may safely be used to index ->nocb_gp_wq[].
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index d893899b72f49..5b10904669c57 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1852,7 +1852,7 @@ static void rcu_nocb_gp_cleanup(struct swait_queue_head *sq) static struct swait_queue_head *rcu_nocb_gp_get(struct rcu_node *rnp) { - return &rnp->nocb_gp_wq[rnp->completed & 0x1]; + return &rnp->nocb_gp_wq[rcu_seq_ctr(rnp->gp_seq) & 0x1]; } static void rcu_init_one_nocb(struct rcu_node *rnp) |