Merge branch 'netdev_tx_locked-removal'
Florian Westphal says:
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net: core: remove TX_LOCKED support
Not that many users left, lets kill it.
TX_LOCKED was meant to be used by LLTX drivers when spin_trylock()
failed. Stack then re-queued if collisions happened on different
cpus or free'd the skb to prevent deadlocks.
Most of the driver removal patches fall into one of three categories:
1. remove the driver-private tx lock (and LLTX flag), or...
2. convert spin_trylock to plain spin_lock, or...
3. convert TX_LOCKED to free+TX_OK
Patches are grouped by these categories, last patch is the actual removal.
All driver changes were compile tested only with exception of atl1e.
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Signed-off-by: David S. Miller <davem@davemloft.net>
