From owner-svn-src-all@FreeBSD.ORG Tue Nov 26 14:00:51 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 04A50E3F; Tue, 26 Nov 2013 14:00:51 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E8BCB20E8; Tue, 26 Nov 2013 14:00:50 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id rAQE0o0k086881; Tue, 26 Nov 2013 14:00:50 GMT (envelope-from avg@svn.freebsd.org) Received: (from avg@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id rAQE0oOb086880; Tue, 26 Nov 2013 14:00:50 GMT (envelope-from avg@svn.freebsd.org) Message-Id: <201311261400.rAQE0oOb086880@svn.freebsd.org> From: Andriy Gapon Date: Tue, 26 Nov 2013 14:00:50 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r258648 - head/sys/kern X-SVN-Group: head 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: 2.1.16 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, 26 Nov 2013 14:00:51 -0000 Author: avg Date: Tue Nov 26 14:00:50 2013 New Revision: 258648 URL: http://svnweb.freebsd.org/changeset/base/258648 Log: use saner calculations in should_yield This is based on feedback from bde. MFC after: 6 days Modified: head/sys/kern/kern_synch.c Modified: head/sys/kern/kern_synch.c ============================================================================== --- head/sys/kern/kern_synch.c Tue Nov 26 13:46:49 2013 (r258647) +++ head/sys/kern/kern_synch.c Tue Nov 26 14:00:50 2013 (r258648) @@ -587,7 +587,7 @@ int should_yield(void) { - return ((unsigned int)(ticks - curthread->td_swvoltick) >= hogticks); + return ((u_int)ticks - (u_int)curthread->td_swvoltick >= hogticks); } void