direct_window_init_mutex  352 arch/powerpc/platforms/pseries/iommu.c static DEFINE_MUTEX(direct_window_init_mutex);
direct_window_init_mutex  996 arch/powerpc/platforms/pseries/iommu.c 	mutex_lock(&direct_window_init_mutex);
direct_window_init_mutex 1144 arch/powerpc/platforms/pseries/iommu.c 	mutex_unlock(&direct_window_init_mutex);