[ltt-dev] [PATCH 03/10] use get_cpu_call_rcu_data() for get_call_rcu_data()
Lai Jiangshan
laijs at cn.fujitsu.com
Thu Sep 15 01:38:58 EDT 2011
Signed-off-by: Lai Jiangshan <laijs at cn.fujitsu.com>
---
urcu-call-rcu-impl.h | 19 +++++++------------
1 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index e0a8fd8..1fbce98 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -435,22 +435,17 @@ struct call_rcu_data *get_default_call_rcu_data(void)
*/
struct call_rcu_data *get_call_rcu_data(void)
{
- int curcpu;
- static int warned = 0;
+ struct call_rcu_data *crd;
if (thread_call_rcu_data != NULL)
return thread_call_rcu_data;
- if (maxcpus <= 0)
- return get_default_call_rcu_data();
- curcpu = sched_getcpu();
- if (!warned && (curcpu < 0 || maxcpus <= curcpu)) {
- fprintf(stderr, "[error] liburcu: gcrd CPU # out of range\n");
- warned = 1;
+
+ if (maxcpus > 0) {
+ crd = get_cpu_call_rcu_data(sched_getcpu());
+ if (crd)
+ return crd;
}
- if (curcpu >= 0 && maxcpus > curcpu &&
- per_cpu_call_rcu_data != NULL &&
- per_cpu_call_rcu_data[curcpu] != NULL)
- return per_cpu_call_rcu_data[curcpu];
+
return get_default_call_rcu_data();
}
--
1.7.4.4
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