From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 01 Feb 2006 08:58:42 +0000 (GMT) Received: from ns.miraclelinux.com ([219.118.163.66]:2634 "EHLO mail01.miraclelinux.com") by ftp.linux-mips.org with ESMTP id S8133645AbWBAI6X (ORCPT ); Wed, 1 Feb 2006 08:58:23 +0000 Received: from mail01 (localhost.localdomain [127.0.0.1]) by mail01.miraclelinux.com (Postfix) with ESMTP id 8B29F31C205; Wed, 1 Feb 2006 18:03:23 +0900 (JST) Received: from localhost.localdomain (sshgate.miraclelinux.com []) by mail01.miraclelinux.com ([10.1.0.10]); Wed, 01 Feb 2006 09:03:23 +0000 Received: by localhost.localdomain (Postfix, from userid 1000) id 011884201E0; Wed, 1 Feb 2006 18:03:22 +0900 (JST) Message-Id: <20060201090322.900876000@localhost.localdomain> References: <20060201090224.536581000@localhost.localdomain> Date: Wed, 01 Feb 2006 18:02:32 +0900 From: Akinobu Mita To: linux-kernel@vger.kernel.org Cc: Russell King , Ian Molton , David Howells , Hirokazu Takata , Greg Ungerer , linux-mips@linux-mips.org, parisc-linux@parisc-linux.org, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, Miles Bader , Akinobu Mita Subject: [patch 08/44] generic ffz() Content-Disposition: inline; filename=ffz-bitops.patch Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 10264 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: mita@miraclelinux.com Precedence: bulk X-list: linux-mips This patch introduces the C-language equivalent of the function: unsigned long ffz(unsigned long word); In include/asm-generic/bitops/ffz.h This code largely copied from: include/asm-parisc/bitops.h Signed-off-by: Akinobu Mita include/asm-generic/bitops/ffz.h | 12 ++++++++++++ 1 files changed, 12 insertions(+) Index: 2.6-git/include/asm-generic/bitops/ffz.h =================================================================== --- /dev/null +++ 2.6-git/include/asm-generic/bitops/ffz.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FFZ_H_ +#define _ASM_GENERIC_BITOPS_FFZ_H_ + +/* + * ffz - find first zero in word. + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +#define ffz(x) __ffs(~(x)) + +#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */ -- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Date: Wed, 01 Feb 2006 09:02:32 +0000 Subject: [patch 08/44] generic ffz() Message-Id: <20060201090322.900876000@localhost.localdomain> List-Id: References: <20060201090224.536581000@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Russell King , Ian Molton , David Howells , Hirokazu Takata , Greg Ungerer , linux-mips@linux-mips.org, parisc-linux@parisc-linux.org, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, Miles Bader , Akinobu Mita This patch introduces the C-language equivalent of the function: unsigned long ffz(unsigned long word); In include/asm-generic/bitops/ffz.h This code largely copied from: include/asm-parisc/bitops.h Signed-off-by: Akinobu Mita include/asm-generic/bitops/ffz.h | 12 ++++++++++++ 1 files changed, 12 insertions(+) Index: 2.6-git/include/asm-generic/bitops/ffz.h =================================--- /dev/null +++ 2.6-git/include/asm-generic/bitops/ffz.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FFZ_H_ +#define _ASM_GENERIC_BITOPS_FFZ_H_ + +/* + * ffz - find first zero in word. + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +#define ffz(x) __ffs(~(x)) + +#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */ --