Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933223AbZD3Pw2 (ORCPT ); Thu, 30 Apr 2009 11:52:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932480AbZD3Pmz (ORCPT ); Thu, 30 Apr 2009 11:42:55 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:57250 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932383AbZD3PmD (ORCPT ); Thu, 30 Apr 2009 11:42:03 -0400 Message-Id: In-Reply-To: References: From: Arnd Bergmann Date: Fri, 7 Nov 2008 21:43:31 +0100 Subject: [PATCH 14/27] asm-generic: make bitops.h usable Cc: linux-arch@vger.kernel.org, Michal Simek , Remis Lima Baima , linux-kernel@vger.kernel.org X-Provags-ID: V01U2FsdGVkX19X/0pH2BGp0n6sJVwotRIUKdXX1pfu9UsVyDw pQVVtQ2TmDkZvh5REGXvKWyqQ3LU8TmPcnloJqWYP/jBfcY0e0 /1Vz4KRjG3gdZKSa+9vDw== To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2294 Lines: 73 bitops.h apparently suffered from some level of bitrot, it was missing the smp_mb__{before,after}_clear_bit functions, and included other headers in an invalid order. This changes the file so that new architectures can use it out of the box. Signed-off-by: Arnd Bergmann Signed-off-by: Remis Lima Baima --- include/asm-generic/bitops.h | 24 ++++++++++++++++++------ 1 files changed, 18 insertions(+), 6 deletions(-) diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index c9f369c..a54f442 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -1,19 +1,29 @@ -#ifndef _ASM_GENERIC_BITOPS_H_ -#define _ASM_GENERIC_BITOPS_H_ +#ifndef __ASM_GENERIC_BITOPS_H +#define __ASM_GENERIC_BITOPS_H /* * For the benefit of those who are trying to port Linux to another * architecture, here are some C-language equivalents. You should * recode these in the native assembly language, if at all possible. - * + * * C language equivalents written by Theodore Ts'o, 9/26/92 */ -#include -#include +#include +#include + +/* + * clear_bit may not imply a memory barrier + */ +#ifndef smp_mb__before_clear_bit +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() smp_mb() +#endif + #include #include #include +#include #include #include @@ -26,8 +36,10 @@ #include #include +#include +#include #include #include #include -#endif /* _ASM_GENERIC_BITOPS_H */ +#endif /* __ASM_GENERIC_BITOPS_H */ -- 1.5.6.3 -- 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/