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| author |   Paul E. McKenney <paulmck@linux.ibm.com> | 2019-03-31 16:11:57 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-08-13 14:32:39 -0700 |
| commit | 5f675ba6eb5d1e4be56fc7c28881728373d880c4 (patch) | |
| tree | 95a3bf6fd0cc90266c2254b26246938635f28f3c /kernel/rcu | |
| parent | rcu/nocb: Rename wake_nocb_leader() to wake_nocb_gp() (diff) | |
| download | linux-dev-5f675ba6eb5d1e4be56fc7c28881728373d880c4.tar.xz linux-dev-5f675ba6eb5d1e4be56fc7c28881728373d880c4.zip | |
rcu/nocb: Rename __wake_nocb_leader() to __wake_nocb_gp()
This commit adjusts naming to account for the new distinction between
callback and grace-period no-CBs kthreads. While in the area, it also
updates local variables.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 632c2cfb9856..7c7870da234a 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1524,24 +1524,24 @@ bool rcu_is_nocb_cpu(int cpu) * Kick the GP kthread for this NOCB group. Caller holds ->nocb_lock * and this function releases it. */ -static void __wake_nocb_leader(struct rcu_data *rdp, bool force, - unsigned long flags) +static void __wake_nocb_gp(struct rcu_data *rdp, bool force, + unsigned long flags) __releases(rdp->nocb_lock) { - struct rcu_data *rdp_leader = rdp->nocb_gp_rdp; + struct rcu_data *rdp_gp = rdp->nocb_gp_rdp; lockdep_assert_held(&rdp->nocb_lock); - if (!READ_ONCE(rdp_leader->nocb_gp_kthread)) { + if (!READ_ONCE(rdp_gp->nocb_gp_kthread)) { raw_spin_unlock_irqrestore(&rdp->nocb_lock, flags); return; } - if (rdp_leader->nocb_gp_sleep || force) { + if (rdp_gp->nocb_gp_sleep || force) { /* Prior smp_mb__after_atomic() orders against prior enqueue. */ - WRITE_ONCE(rdp_leader->nocb_gp_sleep, false); + WRITE_ONCE(rdp_gp->nocb_gp_sleep, false); del_timer(&rdp->nocb_timer); raw_spin_unlock_irqrestore(&rdp->nocb_lock, flags); smp_mb(); /* ->nocb_gp_sleep before swake_up_one(). */ - swake_up_one(&rdp_leader->nocb_gp_wq); + swake_up_one(&rdp_gp->nocb_gp_wq); } else { raw_spin_unlock_irqrestore(&rdp->nocb_lock, flags); } @@ -1556,7 +1556,7 @@ static void wake_nocb_gp(struct rcu_data *rdp, bool force) unsigned long flags; raw_spin_lock_irqsave(&rdp->nocb_lock, flags); - __wake_nocb_leader(rdp, force, flags); + __wake_nocb_gp(rdp, force, flags); } /* @@ -1988,7 +1988,7 @@ static void do_nocb_deferred_wakeup_common(struct rcu_data *rdp) } ndw = READ_ONCE(rdp->nocb_defer_wakeup); WRITE_ONCE(rdp->nocb_defer_wakeup, RCU_NOCB_WAKE_NOT); - __wake_nocb_leader(rdp, ndw == RCU_NOCB_WAKE_FORCE, flags); + __wake_nocb_gp(rdp, ndw == RCU_NOCB_WAKE_FORCE, flags); trace_rcu_nocb_wake(rcu_state.name, rdp->cpu, TPS("DeferredWake")); } |