cpqphp_mutex 27 drivers/pci/hotplug/cpqphp_sysfs.c static DEFINE_MUTEX(cpqphp_mutex); cpqphp_mutex 137 drivers/pci/hotplug/cpqphp_sysfs.c mutex_lock(&cpqphp_mutex); cpqphp_mutex 150 drivers/pci/hotplug/cpqphp_sysfs.c mutex_unlock(&cpqphp_mutex);