On Wed, Mar 14, 2018 at 03:22:59PM +0200, Erez Shitrit wrote:
> Perhaps just to take that line ("priv->tx_wr.wr.opcode = IB_WR_SEND;")
> few lines below, after the call for ipoib_flush_paths(dev) will solve
> the race.
>
> (Because after the call for ipoib_flush_paths() we can be sure that no
> packets from LSO type will be sent)
But we've already enabled CM mode so we can't be sure a CM packet
wasn't sent using the wrong wr opcode, so we are back to having the
original race.
Could CM and !CM use different priv->tx_wr structs? That would solve
the problem as well.
Jason
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