From owner-svn-src-all@freebsd.org Tue Oct 6 10:35:04 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3F99442EEE6; Tue, 6 Oct 2020 10:35:04 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4C5DPN0nYzz4JXw; Tue, 6 Oct 2020 10:35:04 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EE37025614; Tue, 6 Oct 2020 10:35:03 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 096AZ3fK002278; Tue, 6 Oct 2020 10:35:03 GMT (envelope-from manu@FreeBSD.org) Received: (from manu@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 096AZ37t002277; Tue, 6 Oct 2020 10:35:03 GMT (envelope-from manu@FreeBSD.org) Message-Id: <202010061035.096AZ37t002277@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: manu set sender to manu@FreeBSD.org using -f From: Emmanuel Vadot Date: Tue, 6 Oct 2020 10:35:03 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366475 - head/sys/compat/linuxkpi/common/include/linux X-SVN-Group: head X-SVN-Commit-Author: manu X-SVN-Commit-Paths: head/sys/compat/linuxkpi/common/include/linux X-SVN-Commit-Revision: 366475 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Oct 2020 10:35:04 -0000 Author: manu Date: Tue Oct 6 10:35:03 2020 New Revision: 366475 URL: https://svnweb.freebsd.org/changeset/base/366475 Log: linuxkpi: Add gcd function This compute the common greater divider Taken from OpenBSD Reviewed by: bz, imp Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D26674 Added: head/sys/compat/linuxkpi/common/include/linux/gcd.h (contents, props changed) Added: head/sys/compat/linuxkpi/common/include/linux/gcd.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/compat/linuxkpi/common/include/linux/gcd.h Tue Oct 6 10:35:03 2020 (r366475) @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Dieter Baron and Thomas Klausner. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _LINUX_GCD_H_ +#define _LINUX_GCD_H_ + +static inline unsigned long +gcd(unsigned long a, unsigned long b) +{ + unsigned long c; + + c = a % b; + while (c != 0) { + a = b; + b = c; + c = a % b; + } + + return (b); +} + +#endif