From owner-freebsd-hackers@freebsd.org Wed Aug 1 15:27:17 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 6363B10607B3 for ; Wed, 1 Aug 2018 15:27:17 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x233.google.com (mail-it0-x233.google.com [IPv6:2607:f8b0:4001:c0b::233]) (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 EFDC97942B for ; Wed, 1 Aug 2018 15:27:16 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x233.google.com with SMTP id h20-v6so9864169itf.2 for ; Wed, 01 Aug 2018 08:27:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wavGKS8YLF+YsxlQhxGJrCkFUMsZvhqK1HM8gSDwRR8=; b=E0ygdl+I0maAdHe10wqK1+J60XXEfbPJcduY1pMR5U3Gz6/SRsEeY6C5r32CbJ5mKk A7PN3D6DyET9u39VTpWhtZa91Vmk0Dw8LPRUghrx3E8Kyk4XzNO1YEGqRa7aa87uu6gI xS5P+J7Gx64DhWoV4ZdwPLHppZcPX8chgFQWo/MXcQeyfYDcQQuGiudU9T0fnFXCahgA g10htHX360jL90Yc7IKn/h1pjfH+VnG1+h2H7kkR7gN5Lpb46MYGaYaJ5W/P5hLP9KXj xZnsbSMCozGOta/vTVfvDfLo8GoYBowhetSyq13eVEkdeolVwjM2MV7XlO+vrIIGmzJ0 g1Pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=wavGKS8YLF+YsxlQhxGJrCkFUMsZvhqK1HM8gSDwRR8=; b=tIwXLYO/QXGKg98PvBVhviMokepi3mlEGx7rd5gexNQHGjPLH/SS5HX/XF1CPDkAl6 +9s1HDN3LMafCUg0RvbxzZNdjzn0NTH2oleDM3BThZL5UA6jY7brAgc+Y4n1BEvPorcC 8ly5sJ5XnQzxzH2eQQoWkccDD4itpaqYNq4CZZI/QzLRijBXxQl0N6fbCr0OQt0LHsfq ywGpT4HWfREmK/4HM7Ea0p6o0/mu4eb3KLEn/YOyBgJfUgRjlW80sD+Nv021m92MK2AN WRMW/yJjXYlHszXG4QB/5fC3WlgSpx5BaUGiGpqWA+bRpMgjC+4+7Nri8lN1xtdOJCRQ Kbdg== X-Gm-Message-State: AOUpUlGeOovA/hO8fF90p8qdbQGRNz8VG9MnoYQ3Ks9guyeSLAwUK9Xy CNP/B6UjmN+TJsPVj0lN2thrNbDhDWa5vuqVOlCFc2KFNOE= X-Google-Smtp-Source: AAOMgpeY9gMN+9lugt/w+yMcQYLUigVY/NFC9oMUOOPpGxLrKkZl9DDMT2NfxxV7YlAS/9O/3BCZsTtXftdgXHERFEg= X-Received: by 2002:a24:3ec3:: with SMTP id s186-v6mr3850668its.73.1533137236195; Wed, 01 Aug 2018 08:27:16 -0700 (PDT) MIME-Version: 1.0 References: <20180731214920.GA95743@raichu> <20180801152525.GB97237@raichu> In-Reply-To: <20180801152525.GB97237@raichu> From: Warner Losh Date: Wed, 1 Aug 2018 16:27:04 +0100 Message-ID: Subject: Re: COMPAT_43 users? To: Mark Johnston Cc: FreeBSD Hackers 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 15:27:17 -0000 On Wed, Aug 1, 2018, 4:25 PM Mark Johnston wrote: > On Wed, Aug 01, 2018 at 04:15:09AM -0600, Warner Losh wrote: > > 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... > > It's not required for Linux emulation anymore. > Then we can fix the comments... 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" > > > > > _______________________________________________ > > 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" >