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Re: [PATCH 17/34] iwlagn: fix a race in the unmapping of the TFDs

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On Tue, Oct 11, 2011 at 02:38:52PM +0200, Grumbach, Emmanuel wrote:
> > Why not simply take hcmd_lock?
> 
> Hcmd_lock is related to the host command queue only, it won't work for Tx queues.

So you only fix reces between
iwl_trans_pcie_tx()/iwl_tx_queue_reclaim() and iwl_tx_queue_unmap().
Races between
iwl_enqueue_hcmd()/iwl_cmd_queue_reclaim() and iwl_tx_queue_unmap()
are unresolved.

Stanislaw
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