aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/rcutree_plugin.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/rcutree_plugin.h')
-rw-r--r--kernel/rcutree_plugin.h13
1 files changed, 4 insertions, 9 deletions
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index a5745e9b5d5a..0cd91cc18db4 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -2167,7 +2167,7 @@ static int __init parse_rcu_nocb_poll(char *arg)
2167early_param("rcu_nocb_poll", parse_rcu_nocb_poll); 2167early_param("rcu_nocb_poll", parse_rcu_nocb_poll);
2168 2168
2169/* Is the specified CPU a no-CPUs CPU? */ 2169/* Is the specified CPU a no-CPUs CPU? */
2170static bool is_nocb_cpu(int cpu) 2170bool rcu_is_nocb_cpu(int cpu)
2171{ 2171{
2172 if (have_rcu_nocb_mask) 2172 if (have_rcu_nocb_mask)
2173 return cpumask_test_cpu(cpu, rcu_nocb_mask); 2173 return cpumask_test_cpu(cpu, rcu_nocb_mask);
@@ -2225,7 +2225,7 @@ static bool __call_rcu_nocb(struct rcu_data *rdp, struct rcu_head *rhp,
2225 bool lazy) 2225 bool lazy)
2226{ 2226{
2227 2227
2228 if (!is_nocb_cpu(rdp->cpu)) 2228 if (!rcu_is_nocb_cpu(rdp->cpu))
2229 return 0; 2229 return 0;
2230 __call_rcu_nocb_enqueue(rdp, rhp, &rhp->next, 1, lazy); 2230 __call_rcu_nocb_enqueue(rdp, rhp, &rhp->next, 1, lazy);
2231 return 1; 2231 return 1;
@@ -2242,7 +2242,7 @@ static bool __maybe_unused rcu_nocb_adopt_orphan_cbs(struct rcu_state *rsp,
2242 long qll = rsp->qlen_lazy; 2242 long qll = rsp->qlen_lazy;
2243 2243
2244 /* If this is not a no-CBs CPU, tell the caller to do it the old way. */ 2244 /* If this is not a no-CBs CPU, tell the caller to do it the old way. */
2245 if (!is_nocb_cpu(smp_processor_id())) 2245 if (!rcu_is_nocb_cpu(smp_processor_id()))
2246 return 0; 2246 return 0;
2247 rsp->qlen = 0; 2247 rsp->qlen = 0;
2248 rsp->qlen_lazy = 0; 2248 rsp->qlen_lazy = 0;
@@ -2282,7 +2282,7 @@ static bool nocb_cpu_expendable(int cpu)
2282 * If there are no no-CB CPUs or if this CPU is not a no-CB CPU, 2282 * If there are no no-CB CPUs or if this CPU is not a no-CB CPU,
2283 * then offlining this CPU is harmless. Let it happen. 2283 * then offlining this CPU is harmless. Let it happen.
2284 */ 2284 */
2285 if (!have_rcu_nocb_mask || is_nocb_cpu(cpu)) 2285 if (!have_rcu_nocb_mask || rcu_is_nocb_cpu(cpu))
2286 return 1; 2286 return 1;
2287 2287
2288 /* If no memory, play it safe and keep the CPU around. */ 2288 /* If no memory, play it safe and keep the CPU around. */
@@ -2464,11 +2464,6 @@ static void __init rcu_init_nocb(void)
2464 2464
2465#else /* #ifdef CONFIG_RCU_NOCB_CPU */ 2465#else /* #ifdef CONFIG_RCU_NOCB_CPU */
2466 2466
2467static bool is_nocb_cpu(int cpu)
2468{
2469 return false;
2470}
2471
2472static bool __call_rcu_nocb(struct rcu_data *rdp, struct rcu_head *rhp, 2467static bool __call_rcu_nocb(struct rcu_data *rdp, struct rcu_head *rhp,
2473 bool lazy) 2468 bool lazy)
2474{ 2469{