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Merge branch 'netdev_tx_locked-removal'

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Florian Westphal says:

====================
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.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-04-26 15:53:06 -04:00
commit c578e9ab4c
21 changed files with 43 additions and 121 deletions
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