Re: [patch V2 08/10] timer: Implement the hierarchical pull model

From: Peter Zijlstra
Date: Wed Apr 19 2017 - 04:53:16 EST


On Tue, Apr 18, 2017 at 01:11:10PM +0200, Thomas Gleixner wrote:
> + raw_spin_lock_nested(&parent->lock, parent->level);
> + raw_spin_lock_nested(&group->lock, group->level);
> + raw_spin_lock_nested(&group->lock, group->level);

An not a comment on the locking order and why this annotation isn't
borken.