On Tue, 2023-03-14 at 13:28 +0100, Felix Fietkau wrote: > If you want to address this in the least invasive way, add [...], > a global lock to iwlwifi > I'm already fixing this, see https://lore.kernel.org/r/5674c40151267fea1333f0eda1701b141bbaa170.camel@xxxxxxxxxxxxxxxx > , and a > per-AC lock inside ieee80211_handle_wake_tx_queue(). I'm not *entirely* sure per AC is sufficient given that you could technically map two ACs to the same HW queue with vif->hw_queue[]? But again, not really sure all that complexity is still worth it. johannes
