rcu_torture_barrier_init

Name:Initialize RCU barrier testing.

Proto:static int rcu_torture_barrier_init(void)

Type:int

Parameter:Nothing

2103

If n_barrier_cbs <= 0 Then Return 0

2105

If (call == NULL || cb_barrier == NULL) Then

2106

pr_alert("%s"TORTURE_FLAG" Call or barrier ops missing for %s,\n", torture_type, name)

2109

pr_alert("%s"TORTURE_FLAG" RCU barrier testing omitted from run.\n", torture_type)

2112

Return 0

2114

atomic_set( & Barrier callbacks registered. , 0)

2115

atomic_set( & Barrier callbacks invoked. , 0)

2116

barrier_cbs_tasks = kcalloc - allocate memory for an array. The memory is set to zero.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc).

2119

Coordinate barrier testing. = kcalloc - allocate memory for an array. The memory is set to zero.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc).

2121

If barrier_cbs_tasks == NULL || Not Coordinate barrier testing. Then Return -ENOMEM

2123

When i < n_barrier_cbs cycle

2124

init_waitqueue_head( & Coordinate barrier testing. [i])

2125

ret = torture_create_kthread(kthread function to register callbacks used to test RCU barriers. , (void * )(long)i, barrier_cbs_tasks[i])

2128

If ret Then Return ret

2131

Return torture_create_kthread(kthread function to drive and coordinate RCU barrier testing. , NULL, barrier_task)

**Caller**
Name	Describe
rcu_torture_init

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