On Mon, Mar 25, 2019 at 02:00:36PM +0100, Lorenzo Bianconi wrote: > > On Sun, Mar 24, 2019 at 03:51:43PM +0100, Lorenzo Bianconi wrote: > > > + int idx; > > > + > > > sq = &dev->q_tx[i]; > > > q = sq->q; > > > > > > - spin_lock_bh(&q->lock); > > > - while (true) { > > > - if (!q->entry[q->head].done || !q->queued) > > > + while (q->queued > n_queued) { > > > + if (!q->entry[q->head].done) > > > break; > > If you place done = false here you will not need additional idx > > variable. > > As Felix suggested, I would set done to false at the end of the loop, after > tx_complete_skb Why this is needed? > > > dev->drv->tx_complete_skb(dev, i, &entry); > > > - spin_lock_bh(&q->lock); > > > + q->entry[idx].done = false; > > > } > > > > > > + spin_lock_bh(&q->lock); > > This patch does not apply for me as there is missing > > mt76_txq_schedule(dev, sq); > > Sorry I forgot to mention this patch is based on > https://patchwork.kernel.org/patch/10856027/. Have you applied it? No. Stanislaw