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Mark ipoib device as initialized on device open.

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Set the IPOIB_FLAG_INITIALIZED on dev_open and clear it on dev_stop to
avoid a race between ipoib load and the underlying device driver.

The device module must dispatch the IB_EVENT_PORT_ACTIVE event before ipoib
module is loaded. Otherwise, the flush will fail since no one set the
IPOIB_FLAG_INITIALIZED.

Submitted by:	Slava Shwartsman <slavash@mellanox.com>
Sponsored by:	Mellanox Technologies
MFC after:	1 week
This commit is contained in:
Hans Petter Selasky 2017-11-10 08:58:42 +00:00
parent 076f7ce6f6
commit 1529133ab3
1 changed files with 4 additions and 0 deletions
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4
sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_ib.c
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@ -638,6 +638,8 @@ int ipoib_ib_dev_open(struct ipoib_dev_priv *priv)
clear_bit(IPOIB_STOP_REAPER, &priv->flags);
queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task, HZ);
set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
return 0;
}
@ -745,6 +747,8 @@ int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush)
struct ipoib_tx_buf *tx_req;
int i;
clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
ipoib_cm_dev_stop(priv);
/*