cpu: Remove try_get_online_cpus()

Now that synchronize_sched_expedited() no longer uses it, there are no users of try_get_online_cpus() in mainline. This commit therefore removes it.

Paul E. McKenney committed 11 years ago

Commit 02ef3c41 parent 807226e2 files · +0 −15Browse files

Showing the changes to kernel/cpu.c (1 of 2 files). Show all

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@@ -102,19 +102,6 @@ void get_online_cpus(void) · 101 unmodified lines
102	}	102	}
103	EXPORT_SYMBOL_GPL(get_online_cpus);	103	EXPORT_SYMBOL_GPL(get_online_cpus);
104		104
105	bool try_get_online_cpus(void)
106	{
107	if (cpu_hotplug.active_writer == current)
108	return true;
109	if (!mutex_trylock(&cpu_hotplug.lock))
110	return false;
111	cpuhp_lock_acquire_tryread();
112	atomic_inc(&cpu_hotplug.refcount);
113	mutex_unlock(&cpu_hotplug.lock);
114	return true;
115	}
116	EXPORT_SYMBOL_GPL(try_get_online_cpus);
117
118	void put_online_cpus(void)	105	void put_online_cpus(void)
119	{	106	{
120	int refcount;	107	int refcount;