From owner-svn-src-all@FreeBSD.ORG Sun Mar 20 09:41:33 2011 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 67901106564A; Sun, 20 Mar 2011 09:41:33 +0000 (UTC) (envelope-from dwmalone@maths.tcd.ie) Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [IPv6:2001:770:10:300::86e2:510b]) by mx1.freebsd.org (Postfix) with SMTP id 18DB08FC0A; Sun, 20 Mar 2011 09:41:31 +0000 (UTC) Received: from walton.maths.tcd.ie ([134.226.81.10] helo=walton.maths.tcd.ie) by salmon.maths.tcd.ie with SMTP id ; 20 Mar 2011 09:41:30 +0000 (GMT) Date: Sun, 20 Mar 2011 09:41:29 +0000 From: David Malone To: Bruce Evans Message-ID: <20110320094129.GA79235@walton.maths.tcd.ie> References: <201103151947.p2FJlK3L057573@svn.freebsd.org> <201103151701.11708.jhb@freebsd.org> <201103151714.15829.jkim@FreeBSD.org> <20110316155820.D4010@besplex.bde.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110316155820.D4010@besplex.bde.org> User-Agent: Mutt/1.5.6i Sender: dwmalone@maths.tcd.ie Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, John Baldwin , Jung-uk Kim Subject: Re: svn commit: r219676 - head/sys/x86/x86 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 20 Mar 2011 09:41:33 -0000 On Wed, Mar 16, 2011 at 04:34:10PM +1100, Bruce Evans wrote: > Please revert. I use this for setting timecounters from userland. The > sysctl is not a hack, but the primary user interface for managing the > TSC frequency. The kern.timecounter.tc.TSC.frequency sysctl is > secondary, and is readonly anyway, so it cannot be used to manage the > TSC frequency or even the timecounter frequency. Some people have asked me if I can make kern.timecounter.tc.*.frequency writeable. I have it on my list of jobs to look at, but haven't had a chance yet. Are there any obvious problems with this? David.