Re: [PATCH 3/4] ARM: imx6q: Fix missing need_resched() check after rcu_idle_enter()

2021-01-04 Thread Fabio Estevam
Hi Frederic, On Mon, Jan 4, 2021 at 12:21 PM Frederic Weisbecker wrote: > > Entering RCU idle mode may cause a deferred wake up of an RCU NOCB_GP > kthread (rcuog) to be serviced. > > Usually a wake up happening while running the idle task is spotted in > one of the need_resched() checks

[PATCH 3/4] ARM: imx6q: Fix missing need_resched() check after rcu_idle_enter()

2021-01-04 Thread Frederic Weisbecker
Entering RCU idle mode may cause a deferred wake up of an RCU NOCB_GP kthread (rcuog) to be serviced. Usually a wake up happening while running the idle task is spotted in one of the need_resched() checks carefully placed within the idle loop that can break to the scheduler. Unfortunately

[PATCH 3/4] ARM: imx6q: Fix missing need_resched() check after rcu_idle_enter()

2020-12-21 Thread Frederic Weisbecker
Entering RCU idle mode may cause a deferred wake up of an RCU NOCB_GP kthread (rcuog) to be serviced. Usually a wake up happening while running the idle task is spotted in one of the need_resched() checks carefully placed within the idle loop that can break to the scheduler. Unfortunately