From owner-freebsd-current@FreeBSD.ORG  Thu Jul  3 10:28:03 2003
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 10A0637B401
	for <current@freebsd.org>; Thu,  3 Jul 2003 10:28:03 -0700 (PDT)
Received: from rootlabs.com (root.org [67.118.192.226])
	by mx1.FreeBSD.org (Postfix) with SMTP id 6935C43FFB
	for <current@freebsd.org>; Thu,  3 Jul 2003 10:28:02 -0700 (PDT)
	(envelope-from nate@rootlabs.com)
Received: (qmail 92004 invoked by uid 1000); 3 Jul 2003 17:28:02 -0000
Date: Thu, 3 Jul 2003 10:28:02 -0700 (PDT)
From: Nate Lawson <nate@root.org>
To: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <20030703.052315.32736625.imp@bsdimp.com>
Message-ID: <20030703102627.D92002@root.org>
References: <20030701103125.R87367@root.org> <3F021133.3040306@kasimir.com>
 <20030701164231.M88547@root.org> <20030703.052315.32736625.imp@bsdimp.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
cc: acpi-jp@jp.freebsd.org
cc: current@freebsd.org
Subject: Re: Updated ec-burst.diff patch
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 03 Jul 2003 17:28:03 -0000

On Thu, 3 Jul 2003, M. Warner Losh wrote:
> In message: <20030701164231.M88547@root.org>
>             Nate Lawson <nate@root.org> writes:
> : On Wed, 2 Jul 2003, Florian Smeets wrote:
> : > I set hw.acpi.ec.burst_mode=0 in loader.conf but when i was trying to
> : > chek if it was set to 0 with sysctl hw.acpi.ec.burst_mode i got :
> : >
> : > flo@lappi [~] 15 #sysctl hw.acpi.ec.burst_mode
> : > sysctl: unknown oid 'hw.acpi.ec.burst_mode'
> :
> : It's a tunable, not a sysctl.  So you can only set it in loader.conf.  Are
> : there any messages when you boot with that in your loader.conf?  Would you
> : please post a separate dmesg for that case?
>
> I personally think that all tunable should be read-only (or rw if
> possible) sysctls...

I'm still not sure why we have both mechanisms.  Perhaps a useful approach
would be to sweep the tree for tunables and change them to sysctls with
appropriate permissions (read-only if in doubt).  Then remove the tunable
mechanism.  Care to put together a patch?

-Nate