tx_global_lock 1978 include/linux/netdevice.h spinlock_t tx_global_lock; tx_global_lock 3973 include/linux/netdevice.h spin_lock(&dev->tx_global_lock); tx_global_lock 4010 include/linux/netdevice.h spin_unlock(&dev->tx_global_lock); tx_global_lock 8929 net/core/dev.c spin_lock_init(&dev->tx_global_lock);