From: Joe Perches <joe@xxxxxxxxxxx>
Date: Wed, 22 May 2013 14:12:51 -0700
> @@ -528,7 +528,7 @@ struct netdev_queue {
> * write mostly part
> */
> spinlock_t _xmit_lock ____cacheline_aligned_in_smp;
> - int xmit_lock_owner;
> + u16 xmit_lock_owner;
> /*
> * please use this field instead of dev->trans_start
> */
> @@ -2453,7 +2453,7 @@ static inline void __netif_tx_unlock_bh(struct netdev_queue *txq)
>
> static inline void txq_trans_update(struct netdev_queue *txq)
> {
> - if (txq->xmit_lock_owner != -1)
> + if (txq->xmit_lock_owner != (u16)-1)
> txq->trans_start = jiffies;
> }
Then technically this is an s16, don't use casts to pretend that it
isn't.
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