On Mon, Jun 08, 2020 at 06:40:09PM +0200, Peter Zijlstra wrote: > There isn't one, it was meant to be used with static allocations. > > Frederic proposed changing all these to irq_work, and I think I'll go do > that. First dinner though. The irq_work API looks reasonable. What are the tradeoffs for smp_call_single_async vs irq_work?