Erik Stromdahl <erik.stromdahl@xxxxxxxxx> wrote: > Since ath10k_mac_tx_push_txq() can be called from process context, we > must explicitly disable softirqs before the call into mac80211. > > By calling ieee80211_tx_dequeue_ni() instead of ieee80211_tx_dequeue() > we make sure softirqs are always disabled even in the case when > ath10k_mac_tx_push_txq() is called from process context. > > Calling ieee80211_tx_dequeue_ni() with softirq's already disabled > (e.g., from softirq context) should be safe as the local_bh_disable() > and local_bh_enable() functions (called from ieee80211_tx_dequeue_ni) > are fully reentrant. > > Signed-off-by: Erik Stromdahl <erik.stromdahl@xxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 306547608c84 ath10k: switch to ieee80211_tx_dequeue_ni -- https://patchwork.kernel.org/patch/11000363/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches