From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.bugs Subject: bug#36649: 27.0.50; pure space and pdumper Date: Thu, 13 May 2021 14:44:03 +0000 Message-ID: References: <87sg5bt1bp.fsf@gmail.com> <4c1248b8-88cc-ca06-6bc8-9f0bb9a98c98@cs.ucla.edu> <87mtt0hupl.fsf@gnus.org> <83mtt02dyz.fsf@gnu.org> <877dk3hoko.fsf@gnus.org> <87y2cjg9mu.fsf@gnus.org> <83a6oz3lpm.fsf@gnu.org> <87lf8jg8o2.fsf@gnus.org> <838s4j3l2e.fsf@gnu.org> <87h7j7g7ft.fsf@gnus.org> <878s4jg67i.fsf@gnus.org> <834kf73iim.fsf@gnu.org> <874kf7g54z.fsf@gnus.org> <8335ur3hu8.fsf@gnu.org> <87bl9feppn.fsf@gnus.org> <831rab3gwl.fsf@gnu.org> <877dk3enzm.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="744"; mail-complaints-to="usenet@ciao.gmane.io" Cc: eggert@cs.ucla.edu, rpluim@gmail.com, stefan@marxist.se, schwab@linux-m68k.org, Stefan Monnier , 36649@debbugs.gnu.org, Andrea Corallo To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 13 16:45:21 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lhCaX-000AbV-Mz for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 13 May 2021 14:45:01 +0000 Original-Received: (at 36649) by debbugs.gnu.org; 13 May 2021 14:44:49 +0000 Original-Received: from localhost ([127.0.0.1]:44043 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lhCa0-0005JE-VA for submit@debbugs.gnu.org; Thu, 13 May 2021 10:44:49 -0400 Original-Received: from mail-oo1-f47.google.com ([209.85.161.47]:38535) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lhCZx-0005Iz-Oa for 36649@debbugs.gnu.org; Thu, 13 May 2021 10:44:48 -0400 Original-Received: by mail-oo1-f47.google.com with SMTP id h9-20020a4a94090000b02901f9d4f64172so5696578ooi.5 for <36649@debbugs.gnu.org>; Thu, 13 May 2021 07:44:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=NAyLQ7iRZg3cmfRGG6mBr+5zmJhAQrsZF7nraK4PZ6Y=; b=KVBszvB6A6CIoskCIMxuc1vKJmhUkETf3tGSlPPDpXq5BNEYUX+W9MibMWInAYoWwa HrMmlwOhSSuPCkPK5wAtBD9LgHm9Ql5snud05fVLzkxbe6MlyvrVJKwyQH8Jr9dY3Xjl bo86Gad/DhJ9g4JmKVJ1aXArZLLa/Se49fNk/H6A3xN2hEfTWWDmAkipcCafo5FcETJE k1PaXof0cNPwcDDhjhVEn9PP4G+zewrT2h6/70gXTqAjcbbk82P+Fk3pjxqHVYDM3S+T eOE9njpr1FItPBZqoGPlnciFGfeccXUZl7GxYvt7TjMzkTLaoWI71IO6fEcPI+PzawwG KAIA== 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=NAyLQ7iRZg3cmfRGG6mBr+5zmJhAQrsZF7nraK4PZ6Y=; b=iozLu57FwCLL9gIZon6tFR4b6P/xiO23FiZEgjwCCp16WNujuk/0dmsWkQ9S1afR+n RiNurAtd/yIhKc0ShsM4WEAU0wMXiPq670VbEpvfaG3ddTIXaCNWIhspUHVbpc06Fy1C 0MAxG/yeG+C6pjpGOu5mC837AxlRtvgN9ncCnhK18sBO+Vbr7wgkIZxKN1pplP0StgC7 iIyMQ+Bayg3gL2NWzUhvJWAt2HEejFQoccIuCwUww33LKkY/9JwXu2RDv5DtyZIDKWGi Vn2VhTF0lSXMGcqCttJkI6xEOD3DvTz6Ubv/XWi03euQyPzi2muBjyl0fTWc2ZTaFl3X BVQg== X-Gm-Message-State: AOAM531K5yS0kUW2B3Z0xx5OnmCmvEBveh+tktXa6MH9zpNGfHs71+X9 k+AgdziaHsiCoeSAhEsM+ImDuWkixlN3wUk5Rp0= X-Google-Smtp-Source: ABdhPJwoGqlj8O9+KK0gbFqT2QUmlb0h7eFjdA1oLDCrzJSiwFBtht/ElxM7YyP5eCjWK8J8ZFw4icvSJ8IMHoImzsE= X-Received: by 2002:a4a:33cc:: with SMTP id q195mr30150633ooq.22.1620917080089; Thu, 13 May 2021 07:44:40 -0700 (PDT) In-Reply-To: <877dk3enzm.fsf@gnus.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:206444 Archived-At: On Wed, May 12, 2021 at 7:44 PM Lars Ingebrigtsen wrote: > Eli Zaretskii writes: > > > I don't know if this is an interesting configuration. AFAIU, > > "--with-dumping=none" means you run the CANNOT_DUMP version, which > > doesn't dump Emacs at all. > > Ah, yes... and in that case I guess there is no pure space? Oh well, I > guess somebody has to look into getting unexec working on Linux if we're > to, er, see what the impact of pure space unexec would have been. If it > was working. :-) I had it working a while ago, just not using libc malloc(). AFAIU, that's just incompatible with unexec() now. (And it's still slightly but significantly faster building with unexec() on Linux than building with pdumper, at least in contrived benchmarks). So, yes, I'd misunderstood Eli and thought he had objections to this patch; if he doesn't, we should look into fixing the native-comp parts and apply it :-) Pip