Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031567AbXHMOZK (ORCPT ); Mon, 13 Aug 2007 10:25:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S967176AbXHML1J (ORCPT ); Mon, 13 Aug 2007 07:27:09 -0400 Received: from mx1.redhat.com ([66.187.233.31]:49319 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967366AbXHML1G (ORCPT ); Mon, 13 Aug 2007 07:27:06 -0400 Date: Mon, 13 Aug 2007 07:26:53 -0400 From: Chris Snook To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds Cc: akpm@linux-foundation.org, paulmck@linux.vnet.ibm.com, Segher Boessenkool , "Luck, Tony" , Chris Friesen , "Robert P. J. Day" Subject: [PATCH 12/23] make atomic_read() and atomic_set() behavior consistent on m68knommu Message-ID: <20070813112653.GL24018@shell.boston.redhat.com> References: <46C03885.7000109@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46C03885.7000109@redhat.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 31 From: Chris Snook Use volatile consistently in atomic.h on m68knommu. Signed-off-by: Chris Snook --- linux-2.6.23-rc3-orig/include/asm-m68knommu/atomic.h 2007-07-08 19:32:17.000000000 -0400 +++ linux-2.6.23-rc3/include/asm-m68knommu/atomic.h 2007-08-13 05:47:46.000000000 -0400 @@ -15,8 +15,15 @@ typedef struct { int counter; } atomic_t; #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = i) +static inline int atomic_read(atomic_t *v) +{ + return *(volatile int *)&v->counter; +} + +static inline void atomic_set(atomic_t *v, int i) +{ + *(volatile int *)&v->counter = i; +} static __inline__ void atomic_add(int i, atomic_t *v) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/