Roland Dreier 943c246e9b IPoIB: Use netif_tx_lock() and get rid of private tx_lock, LLTX ... Currently, IPoIB is an LLTX driver that uses its own IRQ-disabling tx_lock. Not only do we want to get rid of LLTX, this actually causes problems because of the skb_orphan() done with this tx_lock held: some skb destructors expect to be run with interrupts enabled. The simplest fix for this is to get rid of the driver-private tx_lock and stop using LLTX. We kill off priv->tx_lock and use netif_tx_lock[_bh]() instead; the patch to do this is a tiny bit tricky because we need to update places that take priv->lock inside the tx_lock to disable IRQs, rather than relying on tx_lock having already disabled IRQs. Also, there are a couple of places where we need to disable BHs to make sure we have a consistent context to call netif_tx_lock() (since we no longer can use _irqsave() variants), and we also have to change ipoib_send_comp_handler() to call drain_tx_cq() through a timer rather than directly, because ipoib_send_comp_handler() runs in interrupt context and drain_tx_cq() must run in BH context so it can call netif_tx_lock(). Signed-off-by: Roland Dreier <rolandd@cisco.com>		2008-09-30 10:36:21 -07:00
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ipoib	IPoIB: Use netif_tx_lock() and get rid of private tx_lock, LLTX	2008-09-30 10:36:21 -07:00
iser	removed unused #include <linux/version.h>'s	2008-08-23 12:14:12 -07:00
srp	RDMA: Remove subversion $Id tags	2008-07-14 23:48:44 -07:00