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

Unified · Split

@@ -102,19 +102,6 @@ void get_online_cpus(void) · 101 unmodified lines
102	102	}
103	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	105	void put_online_cpus(void)
119	106	{
120	107	int refcount;