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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-10-31 05:08:53 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-01-06 20:02:40 +0100 |
| commit | 74e871ac6cb17f67cbefb569d98a8d05de666e07 (patch) | |
| tree | 95705187e3ef7248db69ac90e5a79d6b28930cf6 /kernel/rcu | |
| parent | rcu: Protect rcu_boost() lockless accesses with ACCESS_ONCE() (diff) | |
| download | linux-74e871ac6cb17f67cbefb569d98a8d05de666e07.tar.xz linux-74e871ac6cb17f67cbefb569d98a8d05de666e07.zip | |
rcu: Rename "empty" to "empty_norm" in preparation for boost rework
This commit undertakes a simple variable renaming to make way for
some rework of RCU priority boosting.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index d59913ef8360..3d22f0b2dea9 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -313,8 +313,8 @@ static struct list_head *rcu_next_node_entry(struct task_struct *t, */ void rcu_read_unlock_special(struct task_struct *t) { - int empty; int empty_exp; + int empty_norm; int empty_exp_now; unsigned long flags; struct list_head *np; @@ -367,7 +367,7 @@ void rcu_read_unlock_special(struct task_struct *t) break; raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */ } - empty = !rcu_preempt_blocked_readers_cgp(rnp); + empty_norm = !rcu_preempt_blocked_readers_cgp(rnp); empty_exp = !rcu_preempted_readers_exp(rnp); smp_mb(); /* ensure expedited fastpath sees end of RCU c-s. */ np = rcu_next_node_entry(t, rnp); @@ -393,7 +393,7 @@ void rcu_read_unlock_special(struct task_struct *t) * so we must take a snapshot of the expedited state. */ empty_exp_now = !rcu_preempted_readers_exp(rnp); - if (!empty && !rcu_preempt_blocked_readers_cgp(rnp)) { + if (!empty_norm && !rcu_preempt_blocked_readers_cgp(rnp)) { trace_rcu_quiescent_state_report(TPS("preempt_rcu"), rnp->gpnum, 0, rnp->qsmask, |