Re: [PATCH net-next 1/2] dpaa2-eth: use napi_schedule to be compatible with PREEMPT_RT

From: Vladimir Oltean Date: Mon, 3 Aug 2020 23:10:08 +0300 > From: Jiafei Pan > > The driver calls napi_schedule_irqoff() from a context where, in RT, > hardirqs are not disabled, since the IRQ handler is force-threaded. > > In the call path of this function, __raise_softirq_irqoff() is

[PATCH net-next 1/2] dpaa2-eth: use napi_schedule to be compatible with PREEMPT_RT

From: Jiafei Pan The driver calls napi_schedule_irqoff() from a context where, in RT, hardirqs are not disabled, since the IRQ handler is force-threaded. In the call path of this function, __raise_softirq_irqoff() is modifying its per-CPU mask of pending softirqs that must be processed, using