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由 Rafael J. Wysocki 提交于
Since all of the memory hotplug operations have to be carried out under device_hotplug_lock, they won't need to acquire pm_mutex if device_hotplug_lock is held around hibernation. For this reason, make the hibernation code acquire device_hotplug_lock after freezing user space processes and release it before thawing them. At the same tim drop the lock_system_sleep() and unlock_system_sleep() calls from lock_memory_hotplug() and unlock_memory_hotplug(), respectively. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NToshi Kani <toshi.kani@hp.com>
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