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-rw-r--r--kernel/padata.c138
1 files changed, 37 insertions, 101 deletions
diff --git a/kernel/padata.c b/kernel/padata.c
index b38bea9c466a..993278895ccc 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -607,33 +607,6 @@ out_replace:
}
/**
- * padata_set_cpumasks - Set both parallel and serial cpumasks. The first
- * one is used by parallel workers and the second one
- * by the wokers doing serialization.
- *
- * @pinst: padata instance
- * @pcpumask: the cpumask to use for parallel workers
- * @cbcpumask: the cpumsak to use for serial workers
- */
-int padata_set_cpumasks(struct padata_instance *pinst, cpumask_var_t pcpumask,
- cpumask_var_t cbcpumask)
-{
- int err;
-
- mutex_lock(&pinst->lock);
- get_online_cpus();
-
- err = __padata_set_cpumasks(pinst, pcpumask, cbcpumask);
-
- put_online_cpus();
- mutex_unlock(&pinst->lock);
-
- return err;
-
-}
-EXPORT_SYMBOL(padata_set_cpumasks);
-
-/**
* padata_set_cpumask: Sets specified by @cpumask_type cpumask to the value
* equivalent to @cpumask.
*
@@ -674,6 +647,43 @@ out:
}
EXPORT_SYMBOL(padata_set_cpumask);
+/**
+ * padata_start - start the parallel processing
+ *
+ * @pinst: padata instance to start
+ */
+int padata_start(struct padata_instance *pinst)
+{
+ int err = 0;
+
+ mutex_lock(&pinst->lock);
+
+ if (pinst->flags & PADATA_INVALID)
+ err = -EINVAL;
+
+ __padata_start(pinst);
+
+ mutex_unlock(&pinst->lock);
+
+ return err;
+}
+EXPORT_SYMBOL(padata_start);
+
+/**
+ * padata_stop - stop the parallel processing
+ *
+ * @pinst: padata instance to stop
+ */
+void padata_stop(struct padata_instance *pinst)
+{
+ mutex_lock(&pinst->lock);
+ __padata_stop(pinst);
+ mutex_unlock(&pinst->lock);
+}
+EXPORT_SYMBOL(padata_stop);
+
+#ifdef CONFIG_HOTPLUG_CPU
+
static int __padata_add_cpu(struct padata_instance *pinst, int cpu)
{
struct parallel_data *pd;
@@ -694,42 +704,6 @@ static int __padata_add_cpu(struct padata_instance *pinst, int cpu)
return 0;
}
- /**
- * padata_add_cpu - add a cpu to one or both(parallel and serial)
- * padata cpumasks.
- *
- * @pinst: padata instance
- * @cpu: cpu to add
- * @mask: bitmask of flags specifying to which cpumask @cpu shuld be added.
- * The @mask may be any combination of the following flags:
- * PADATA_CPU_SERIAL - serial cpumask
- * PADATA_CPU_PARALLEL - parallel cpumask
- */
-
-int padata_add_cpu(struct padata_instance *pinst, int cpu, int mask)
-{
- int err;
-
- if (!(mask & (PADATA_CPU_SERIAL | PADATA_CPU_PARALLEL)))
- return -EINVAL;
-
- mutex_lock(&pinst->lock);
-
- get_online_cpus();
- if (mask & PADATA_CPU_SERIAL)
- cpumask_set_cpu(cpu, pinst->cpumask.cbcpu);
- if (mask & PADATA_CPU_PARALLEL)
- cpumask_set_cpu(cpu, pinst->cpumask.pcpu);
-
- err = __padata_add_cpu(pinst, cpu);
- put_online_cpus();
-
- mutex_unlock(&pinst->lock);
-
- return err;
-}
-EXPORT_SYMBOL(padata_add_cpu);
-
static int __padata_remove_cpu(struct padata_instance *pinst, int cpu)
{
struct parallel_data *pd = NULL;
@@ -789,43 +763,6 @@ int padata_remove_cpu(struct padata_instance *pinst, int cpu, int mask)
}
EXPORT_SYMBOL(padata_remove_cpu);
-/**
- * padata_start - start the parallel processing
- *
- * @pinst: padata instance to start
- */
-int padata_start(struct padata_instance *pinst)
-{
- int err = 0;
-
- mutex_lock(&pinst->lock);
-
- if (pinst->flags & PADATA_INVALID)
- err =-EINVAL;
-
- __padata_start(pinst);
-
- mutex_unlock(&pinst->lock);
-
- return err;
-}
-EXPORT_SYMBOL(padata_start);
-
-/**
- * padata_stop - stop the parallel processing
- *
- * @pinst: padata instance to stop
- */
-void padata_stop(struct padata_instance *pinst)
-{
- mutex_lock(&pinst->lock);
- __padata_stop(pinst);
- mutex_unlock(&pinst->lock);
-}
-EXPORT_SYMBOL(padata_stop);
-
-#ifdef CONFIG_HOTPLUG_CPU
-
static inline int pinst_has_cpu(struct padata_instance *pinst, int cpu)
{
return cpumask_test_cpu(cpu, pinst->cpumask.pcpu) ||
@@ -1091,7 +1028,6 @@ err_free_inst:
err:
return NULL;
}
-EXPORT_SYMBOL(padata_alloc);
/**
* padata_free - free a padata instance