Re: [sched/core] 8a8c69c327: WARNING: CPU: 0 PID: 8 at kernel/locking/lockdep.c:3548 lock_release

From: Peter Zijlstra
Date: Fri Mar 17 2017 - 10:15:37 EST


On Fri, Mar 17, 2017 at 03:09:09PM +0100, Peter Zijlstra wrote:
> On Fri, Mar 17, 2017 at 09:24:11PM +0800, Wanpeng Li wrote:
> > I have another version of patch which utilizes raw_spin_lock_irqsave()
> > instead of rq_lock_irqsave() in __balance_callback() as before, which
> > one do you like, Peterz?
>
> Hurm.. the raw_spin_lock_irqsave() one I suspect. No point in pinning
> and then unpinning.

Took your other version and edited that to make it do this.