From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755845Ab3KVQIt (ORCPT ); Fri, 22 Nov 2013 11:08:49 -0500 Received: from merlin.infradead.org ([205.233.59.134]:49685 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755532Ab3KVQIs (ORCPT ); Fri, 22 Nov 2013 11:08:48 -0500 Date: Fri, 22 Nov 2013 17:08:41 +0100 From: Peter Zijlstra To: Sebastian Andrzej Siewior Cc: Thomas Gleixner , Mike Galbraith , Frederic Weisbecker , LKML , RT , "Paul E. McKenney" Subject: Re: [PATCH v2] rtmutex: take the waiter lock with irqs off Message-ID: <20131122160841.GS3866@twins.programming.kicks-ass.net> References: <1383798668.5441.25.camel@marge.simpson.net> <20131107125923.GB24644@localhost.localdomain> <1384243595.15180.63.camel@marge.simpson.net> <20131115163008.GB12164@linutronix.de> <20131115201436.GC12164@linutronix.de> <20131118141021.GA10022@twins.programming.kicks-ass.net> <20131122135931.GA8698@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131122135931.GA8698@linutronix.de> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 22, 2013 at 02:59:31PM +0100, Sebastian Andrzej Siewior wrote: > +extern void __lockfunc rt_spin_try_unlock(spinlock_t *lock); I know what you mean, but.. try_unlock() just sounds wrong, how can we attempt but fail to unlock a lock we hold ;-) /me crawls back under his rock ;-)