Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966518AbcKOJVk (ORCPT ); Tue, 15 Nov 2016 04:21:40 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:50238 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965934AbcKOJVf (ORCPT ); Tue, 15 Nov 2016 04:21:35 -0500 Date: Tue, 15 Nov 2016 10:21:29 +0100 From: Peter Zijlstra To: Ingo Molnar Cc: Greg KH , Christoph Hellwig , keescook@chromium.org, will.deacon@arm.com, elena.reshetova@intel.com, arnd@arndb.de, tglx@linutronix.de, hpa@zytor.com, Linus Torvalds , dave@progbits.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] printk, locking/atomics, kref: Introduce new %pAr and %pAk format string options for atomic_t and 'struct kref' Message-ID: <20161115092129.GF3142@twins.programming.kicks-ass.net> References: <20161114173946.501528675@infradead.org> <20161114174446.486581399@infradead.org> <20161114181655.GA21516@infradead.org> <20161115072855.GB28248@kroah.com> <20161115083736.GA15734@gmail.com> <20161115084355.GA24175@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161115084355.GA24175@gmail.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 290 Lines: 9 On Tue, Nov 15, 2016 at 09:43:55AM +0100, Ingo Molnar wrote: > +atomic variables such atomic_t or struct kref: > + > + %pAr atomic_t count Why 'r' for atomic_t ? I was expecting 'a' for atomic_t or something. That then also leaves 'r' available for refcount_t. > + %pAk struct kref count