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init maxcpus before use
[userspace-rcu.git]
/
urcu-call-rcu-impl.h
diff --git
a/urcu-call-rcu-impl.h
b/urcu-call-rcu-impl.h
index c14cc18bde825c6c3cfec1557222e764c88f85a9..e0a8fd883ee4a24782b3464a970f20be645b5fdc 100644
(file)
--- a/
urcu-call-rcu-impl.h
+++ b/
urcu-call-rcu-impl.h
@@
-383,9
+383,10
@@
struct call_rcu_data *create_call_rcu_data(unsigned long flags,
int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp)
{
int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp)
{
- int warned = 0;
+
static
int warned = 0;
call_rcu_lock(&call_rcu_mutex);
call_rcu_lock(&call_rcu_mutex);
+ alloc_cpu_call_rcu_data();
if (cpu < 0 || maxcpus <= cpu) {
if (!warned) {
fprintf(stderr, "[error] liburcu: set CPU # out of range\n");
if (cpu < 0 || maxcpus <= cpu) {
if (!warned) {
fprintf(stderr, "[error] liburcu: set CPU # out of range\n");
@@
-395,7
+396,6
@@
int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp)
errno = EINVAL;
return -EINVAL;
}
errno = EINVAL;
return -EINVAL;
}
- alloc_cpu_call_rcu_data();
call_rcu_unlock(&call_rcu_mutex);
if (per_cpu_call_rcu_data == NULL) {
errno = ENOMEM;
call_rcu_unlock(&call_rcu_mutex);
if (per_cpu_call_rcu_data == NULL) {
errno = ENOMEM;
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