From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Wed, 13 Aug 2014 14:29:41 +0000 (-0400)
Subject: sunvnet: Schedule maybe_tx_wakeup() as a tasklet from ldc_rx path
X-Git-Tag: cleanup-for-v3.18~18^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d311ad2f9fe5d75cf228372174170d0f435e3ef;p=pandora-kernel.git

sunvnet: Schedule maybe_tx_wakeup() as a tasklet from ldc_rx path

At the tail of vnet_event(), if we hit the maybe_tx_wakeup()
condition, we try to take the netif_tx_lock() in the
recv-interrupt-context and can deadlock with dev_watchdog().
vnet_event() should schedule maybe_tx_wakeup() as a tasklet
to avoid this deadlock

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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