[NET]: Document ->hard_start_xmit() locking in netdevices.txt

Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Apr 25, 2005 · aa77d26 · aa77d26
1 parent af19136
commit aa77d26
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt
@@ -51,6 +51,8 @@ dev->hard_start_xmit:
 	set_multicast_list
 	Context: BHs disabled
 	Notes: netif_queue_stopped() is guaranteed false
+               Interrupts must be enabled when calling hard_start_xmit.
+                (Interrupts must also be enabled when enabling the BH handler.)
 	Return codes: 
 	o NETDEV_TX_OK everything ok. 
 	o NETDEV_TX_BUSY Cannot transmit packet, try later