Merge back cpufreq changes for 4.19.

This commit is contained in:
Rafael J. Wysocki 2018-08-06 10:09:52 +02:00
commit 6ccbe1dcdd
13 changed files with 340 additions and 19 deletions

View file

@ -290,6 +290,12 @@ void cpus_read_lock(void)
}
EXPORT_SYMBOL_GPL(cpus_read_lock);
int cpus_read_trylock(void)
{
return percpu_down_read_trylock(&cpu_hotplug_lock);
}
EXPORT_SYMBOL_GPL(cpus_read_trylock);
void cpus_read_unlock(void)
{
percpu_up_read(&cpu_hotplug_lock);