From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932801AbcERRdu (ORCPT ); Wed, 18 May 2016 13:33:50 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:59503 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752779AbcERRdt (ORCPT ); Wed, 18 May 2016 13:33:49 -0400 Date: Wed, 18 May 2016 19:33:41 +0200 From: Peter Zijlstra To: David Howells Cc: linux-arch@vger.kernel.org, x86@kernel.org, will.deacon@arm.com, linux-kernel@vger.kernel.org, ramana.radhakrishnan@arm.com, paulmck@linux.vnet.ibm.com, dwmw2@infradead.org Subject: Re: [RFC PATCH 03/15] Provide atomic_t functions implemented with ISO-C++11 atomics Message-ID: <20160518173341.GF3206@twins.programming.kicks-ass.net> References: <146358423711.8596.9104061348359986393.stgit@warthog.procyon.org.uk> <146358425972.8596.7418861336334796772.stgit@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146358425972.8596.7418861336334796772.stgit@warthog.procyon.org.uk> 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 Wed, May 18, 2016 at 04:10:59PM +0100, David Howells wrote: > +/** > + * atomic_fetch_or - perform *v |= mask and return old value of *v > + * @v: pointer to atomic_t > + * @mask: mask to OR on the atomic_t > + */ > +static inline int atomic_fetch_or(atomic_t *v, int mask) > +{ > + return __atomic_fetch_or(&v->counter, mask, __ATOMIC_SEQ_CST); > +} We just merged a patch flipping those arguments; also I suppose you've seen my larger atomic*_fetch_*() patch set?