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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2014-10-21 11:03:57 -0400
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2014-11-03 22:20:18 -0500
commite3950ecd55383f7bd8a06a9649091ccfbbcf5505 (patch)
treed14992e63f8dd59567f2b699ac8b32e55e515b6a /kernel/rcu/tree.c
parentc3377c2da6e594504c900d5ef72374c109e4ca99 (diff)
rcu: Remove "cpu" argument to rcu_pending()
Because rcu_pending()'s argument is guaranteed to always be the current CPU, drop the argument and replace per_cpu_ptr() with this_cpu_ptr(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Pranith Kumar <bobby.prani@gmail.com>
Diffstat (limited to 'kernel/rcu/tree.c')
-rw-r--r--kernel/rcu/tree.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 3107811bba69..0670ba3a65d3 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -325,7 +325,7 @@ static void force_qs_rnp(struct rcu_state *rsp,
325 unsigned long *maxj), 325 unsigned long *maxj),
326 bool *isidle, unsigned long *maxj); 326 bool *isidle, unsigned long *maxj);
327static void force_quiescent_state(struct rcu_state *rsp); 327static void force_quiescent_state(struct rcu_state *rsp);
328static int rcu_pending(int cpu); 328static int rcu_pending(void);
329 329
330/* 330/*
331 * Return the number of RCU-sched batches processed thus far for debug & stats. 331 * Return the number of RCU-sched batches processed thus far for debug & stats.
@@ -2421,7 +2421,7 @@ void rcu_check_callbacks(int user)
2421 rcu_bh_qs(); 2421 rcu_bh_qs();
2422 } 2422 }
2423 rcu_preempt_check_callbacks(smp_processor_id()); 2423 rcu_preempt_check_callbacks(smp_processor_id());
2424 if (rcu_pending(smp_processor_id())) 2424 if (rcu_pending())
2425 invoke_rcu_core(); 2425 invoke_rcu_core();
2426 if (user) 2426 if (user)
2427 rcu_note_voluntary_context_switch(current); 2427 rcu_note_voluntary_context_switch(current);
@@ -3144,12 +3144,12 @@ static int __rcu_pending(struct rcu_state *rsp, struct rcu_data *rdp)
3144 * by the current CPU, returning 1 if so. This function is part of the 3144 * by the current CPU, returning 1 if so. This function is part of the
3145 * RCU implementation; it is -not- an exported member of the RCU API. 3145 * RCU implementation; it is -not- an exported member of the RCU API.
3146 */ 3146 */
3147static int rcu_pending(int cpu) 3147static int rcu_pending(void)
3148{ 3148{
3149 struct rcu_state *rsp; 3149 struct rcu_state *rsp;
3150 3150
3151 for_each_rcu_flavor(rsp) 3151 for_each_rcu_flavor(rsp)
3152 if (__rcu_pending(rsp, per_cpu_ptr(rsp->rda, cpu))) 3152 if (__rcu_pending(rsp, this_cpu_ptr(rsp->rda)))
3153 return 1; 3153 return 1;
3154 return 0; 3154 return 0;
3155} 3155}