From owner-freebsd-hackers@freebsd.org  Wed Aug  1 18:04:30 2018
Return-Path: <owner-freebsd-hackers@freebsd.org>
Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id EB79A1065023
 for <freebsd-hackers@mailman.ysv.freebsd.org>;
 Wed,  1 Aug 2018 18:04:29 +0000 (UTC)
 (envelope-from brooks@spindle.one-eyed-alien.net)
Received: from spindle.one-eyed-alien.net (spindle.one-eyed-alien.net
 [199.48.129.229])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 83BD780414;
 Wed,  1 Aug 2018 18:04:29 +0000 (UTC)
 (envelope-from brooks@spindle.one-eyed-alien.net)
Received: by spindle.one-eyed-alien.net (Postfix, from userid 3001)
 id 524A55A9F16; Wed,  1 Aug 2018 18:04:27 +0000 (UTC)
Date: Wed, 1 Aug 2018 18:04:27 +0000
From: Brooks Davis <brooks@freebsd.org>
To: Konstantin Belousov <kostikbel@gmail.com>
Cc: Brooks Davis <brooks@freebsd.org>,
 "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net>,
 Mark Johnston <markj@freebsd.org>, freebsd-hackers@freebsd.org
Subject: Re: COMPAT_43 users?
Message-ID: <20180801180427.GA19860@spindle.one-eyed-alien.net>
References: <20180801155008.GC99632@spindle.one-eyed-alien.net>
 <201808011611.w71GB29F077911@pdx.rh.CN85.dnsmgr.net>
 <20180801165026.GD99632@spindle.one-eyed-alien.net>
 <20180801172158.GT40119@kib.kiev.ua>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
 protocol="application/pgp-signature"; boundary="mYCpIKhGyMATD0i+"
Content-Disposition: inline
In-Reply-To: <20180801172158.GT40119@kib.kiev.ua>
User-Agent: Mutt/1.9.4 (2018-02-28)
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers/>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Aug 2018 18:04:30 -0000


--mYCpIKhGyMATD0i+
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Wed, Aug 01, 2018 at 08:21:58PM +0300, Konstantin Belousov wrote:
> On Wed, Aug 01, 2018 at 04:50:26PM +0000, Brooks Davis wrote:
> > It's absurd because there is no sensible, supported path to create new
> > a.out binaries targeting FreeBSD 12.  IMO it would be better to limit
> > a.out support to syscalls supported by releases where a.out was
> > supported.
>=20
> It requires somewhat non-trivial effort to limit them, while providing
> the access is free.  We do not create new syscall table for each ABI
> addition.

My point was that (IMO) we should create a new syscall table to a.out to
let it subsume things like COMPAT_OLDSOCK.

-- Brooks

--mYCpIKhGyMATD0i+
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----

iQEcBAEBAgAGBQJbYfYqAAoJEKzQXbSebgfAHJ4IAIRdfYJIBJDaLxMNiScc/SKJ
7ZomUs178fE39P4uLdWEEszsqZZYtf4r/diGqmoAdXj4jzs21d7hLjW+aMBEEfid
jw348lAaxw/ckNPTuPz9fYfQgSB4ypG3leWEHeN83DyQR/nOlwuQ8JL8t1ADOZYu
Sc+O+rETJMpZLPAB6fOcXNZq46oM35Sxi3JcgSwgeRH4C8IDR+8LDpXkI6jyXX51
QJryqMHcpeALrtrYcGluwnfiTpEjd5jEA+6rGhf8H3/bk9I6TGvtxoP/sx5H/KOy
L2aik6ue4/jPgSRxmm6HIZcDorI9telBo5lpnRPvsP+laKCoVWL3n50rWqoljw4=
=wgih
-----END PGP SIGNATURE-----

--mYCpIKhGyMATD0i+--