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Date: Tue, 11 Dec 2012 20:56:19 +0100
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Alfred Perlstein <alfred@FreeBSD.org>
Subject: Re: svn commit: r244106 - head/sbin/sysctl
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On Tue, Dec 11, 2012 at 01:28:07AM +0000, Alfred Perlstein wrote:
> Author: alfred
> Date: Tue Dec 11 01:28:06 2012
> New Revision: 244106
> URL: http://svnweb.freebsd.org/changeset/base/244106
>=20
> Log:
>   Allow sysctl to filter boot and runtime tunables.
>  =20
>   Add the following flags to sysctl:
>    -W  - show only writable sysctls
>    -T  - show only tuneable sysctls
[...]
> +.It Fl T
> +Display only variables that are setable via loader (CTLFLAG_TUN).

To this point CTLFLAG_TUN was only important for read-only sysctls to
give user a hint that the given sysctl can be changed via loader
tunable on boot only (or on module load via kenv(1)). Your change makes
it useful to also mark read-write sysctls as tunables and I suspect
there is huge number of such sysctls that have no CTLFLAG_TUN flag.

--=20
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://tupytaj.pl

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