Re: [PATCH 2/2] ath10k: switch to ieee80211_tx_dequeue_ni

[Kalle Valo]

Erik Stromdahl <erik.stromdahl@xxxxxxxxx> writes:

> 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>

I already applied this, but I still want to check _why_ you are changing
this? Is it that you want to call ath10k_mac_tx_push_pending() from a
workqueue in sdio.c in a future patch, or what? Because at the moment me
and Johannes were not able to find where this is called in process
context.

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