> Hi Emmanuel,
>
> was debugging some issue in ath9k with UDP bidirectional traffic and
> then used my inbuilt iwlwifi with bidirectional UDP had this warnings
>
> * iwlagn_mac_ampdu_action->iwlagn_tx_agg_start -> (we take spinlock
> 'sta_lock' ) -> iwl_trans_tx_agg_alloc (which has might_sleep)
> * iwlagn_mac_ampdu_action->iwlagn_tx_agg_stop -> (we take spinlock
> 'sta_lock' ) -> iwl_trans_tx_agg_disable (which has might_sleep)
>
So I was hoping that nobody would hit that one before we push the next batch of patches that includes the fix for this (courtesy of Johannes). In vain.
Sorry, this is stupid bug: iwl_trans_tx_agg_{alloc,disable} must be atomic...
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Intel Israel (74) Limited
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