From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [patch V2 08/10] timer: Implement the hierarchical pull model Date: Wed, 19 Apr 2017 10:52:58 +0200 Message-ID: <20170419085258.jlfwmhure5anayff@hirez.programming.kicks-ass.net> References: <20170418111102.490432548@linutronix.de> <20170418111401.016420305@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170418111401.016420305@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org To: Thomas Gleixner Cc: LKML , John Stultz , Eric Dumazet , Anna-Maria Gleixner , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, Arjan van de Ven , "Paul E. McKenney" , Frederic Weisbecker , Rik van Riel List-Id: linux-pm@vger.kernel.org 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.