From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757869Ab2CAHKP (ORCPT ); Thu, 1 Mar 2012 02:10:15 -0500 Received: from ozlabs.org ([203.10.76.45]:41200 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756495Ab2CAHKN (ORCPT ); Thu, 1 Mar 2012 02:10:13 -0500 Date: Thu, 1 Mar 2012 18:09:53 +1100 From: Anton Blanchard To: benh@kernel.crashing.org, paulus@samba.org, akpm@linux-foundation.org, asharma@fb.com, vapier@gentoo.org, eric.dumazet@gmail.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] atomic: Allow atomic_inc_not_zero to be overridden Message-ID: <20120301180953.0f61576f@kryten> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.24.4; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We want to implement a ppc64 specific version of atomic_inc_not_zero so wrap it in an ifdef to allow it to be overridden. Signed-off-by: Anton Blanchard --- Index: linux-build/include/linux/atomic.h =================================================================== --- linux-build.orig/include/linux/atomic.h 2012-02-11 14:59:23.284714257 +1100 +++ linux-build/include/linux/atomic.h 2012-02-11 15:01:14.894764555 +1100 @@ -24,7 +24,9 @@ static inline int atomic_add_unless(atom * Atomically increments @v by 1, so long as @v is non-zero. * Returns non-zero if @v was non-zero, and zero otherwise. */ +#ifndef atomic_inc_not_zero #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +#endif /** * atomic_inc_not_zero_hint - increment if not null