From owner-freebsd-hackers@freebsd.org Wed Aug 1 10:15:11 2018 Return-Path: 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 2DC54104EC09 for ; Wed, 1 Aug 2018 10:15:11 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x242.google.com (mail-it0-x242.google.com [IPv6:2607:f8b0:4001:c0b::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 67F098BF71 for ; Wed, 1 Aug 2018 10:15:10 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x242.google.com with SMTP id h23-v6so8567654ita.5 for ; Wed, 01 Aug 2018 03:15:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=K+4/qLrnXbRrozhIbv6LCQcPrTvYP48mk33oEvblB24=; b=0LurY6oSDyZ1JZrB5zZZGbPOB4WjWc5froj9MkH9NcmHn4QKIwHBD+Y3mfQBTCQMFs fzfvJNF4ubKw+bCQorNc12zkjX0WOokQUffUNxCyHgjyZ7VlrrCz9PFTYd+xikFuTRRa CWiqeEjttr+L3vy+SM1H9M3BgKgQq292Pjpo7+nbluW1j1rrh6zmpHaptB2qbyPk8EE2 ienH0/j9njFueJqg4DiCX1eA8RXSA441DJgsh6n6bivaXb+k4TK/zMgtxuX8WBhLuWvj 9czq5N3n7FlO4dqob0uSODe7NV2gjZU6pSUE9gp1T4ebbgt1BX3V+ItTc7eyfSxhZRwJ CVOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=K+4/qLrnXbRrozhIbv6LCQcPrTvYP48mk33oEvblB24=; b=o2fehtD3uW6M+7dqR9u9y6dLb9ROqEI7S8MndcpPBXNT2DWEkcw9o5qikk9g+4OSyw XX3dGTDMlNBvstIP9o/4tR7ltoT99ODV/QHPFfbFykOgfFXpPW3EMdJ+OwRMaDSkWUI1 sR9uxBAn/19j4KhHcuigOP8UCtog9+y5IaNKYB4YWzDnYHVt6cMrl1JX1PiPo9y7icAc gotyh4TCdN6GkN53o34zEUYyfbDNV4C9W0Etpu0yER0PsFvL57eJ/t/pmhGb9/OJ1sEe RQ4HZ8ZcHDY4q8aHURujeABelEx43+RvVtzx1K5geYl6gjSotQiOQmYgCQ/Dh6x6T7RD TWJA== X-Gm-Message-State: AOUpUlESJui0BadSue7x8PLj3HoxaxO3WInynS61IwWkiOTq1tdV13q9 3fbLKDd2Xi5ckQNlT+h/GZoqXzJN7d1hVpshGgchtQ== X-Google-Smtp-Source: AAOMgpcC1iCokYpedJRs0Et+jRpy6mUH2+bm9Fb6DV0iP5SoAjKBpwm2Vl/4+qhqIYG6HGfDzuBdTSkHbr4v1GwXBAY= X-Received: by 2002:a02:a701:: with SMTP id k1-v6mr18249410jam.140.1533118509631; Wed, 01 Aug 2018 03:15:09 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 2002:a4f:4485:0:0:0:0:0 with HTTP; Wed, 1 Aug 2018 03:15:09 -0700 (PDT) X-Originating-IP: [86.153.210.77] In-Reply-To: References: <20180731214920.GA95743@raichu> From: Warner Losh Date: Wed, 1 Aug 2018 04:15:09 -0600 X-Google-Sender-Auth: KCtBs4QTL9XIRf08ppBQM2TDfWE Message-ID: Subject: Re: COMPAT_43 users? To: Julian Elischer Cc: "freebsd-hackers@freebsd.org" , John Baldwin Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.27 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Aug 2018 10:15:11 -0000 Comments say it's needed for Linux emulation and for running FreeBSD 1, 2, or 3 binaries. It's still compiled for PowerPC kernels. Despite it's name, it looks like removing it would be somewhat complicated... Warner On Tue, Jul 31, 2018 at 6:39 PM, Julian Elischer wrote: > On 1/8/18 5:49 am, Mark Johnston wrote: > >> The COMPAT_43 kernel option, which enables syscall support for 4.3BSD >> binaries, hasn't been enabled in the standard kernel configs for well >> over a decade, and doesn't appear to be a dependency of any other kernel >> features. Nonetheless, the kernel contains quite a bit of code to >> support this option. Does anyone use it in modern versions of FreeBSD >> or have any arguments for keeping it? >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org >> " >> >> It is useful for really ancient jails I believe. The person I would trust > on this is jhb. (CC'd) > > I occasionally like to run a freebsd-1.1 jail.. but While I enable it I am > not sure if I need it. > > > > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >