From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#36649: 27.0.50; pure space and pdumper Date: Sat, 02 Jul 2022 13:40:08 +0300 Message-ID: <834jzzdchj.fsf@gnu.org> References: <834k00es7e.fsf@gnu.org> <83zghsd7n6.fsf@gnu.org> <83a69rdgt9.fsf@gnu.org> <87a69r50yy.fsf@gnus.org> <877d4vdd0n.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3691"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 36649@debbugs.gnu.org, larsi@gnus.org, monnier@iro.umontreal.ca, pipcet@gmail.com To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 02 12:41:15 2022 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 1o7aYs-0000nC-Jd for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=1456 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7aXu-00071k-NO; Sat, 02 Jul 2022 06:40:15 -0400 In-Reply-To: <877d4vdd0n.fsf@yahoo.com> (message from Po Lu on Sat, 02 Jul 2022 18:28:40 +0800) 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:235875 Archived-At: > From: Po Lu > Cc: Eli Zaretskii , Pip Cet , > 36649@debbugs.gnu.org, monnier@iro.umontreal.ca > Date: Sat, 02 Jul 2022 18:28:40 +0800 > > Lars Ingebrigtsen writes: > > > If I understand correctly, dropping pure space would make Po's work on > > improving the garbage collector easier -- and improving gc is important, > > so it seems to make sense to get rid of pure space just for that reason. > > > > But I'm not against dropping unexec now, too -- we can drop both unexec > > and pure space now. > > FWIW none of the dumping mechanisms work with the new garbage collector, > but it will be optional, since I don't see how to make it work on MS-DOS > (which AFAIU has no equivalent of `mprotect'). The C library and the environment used by the MS-DOS port do have mprotect, but it is only supported with some DPMI servers, and the MS-Windows DPMI server is not one of them. But I don't think this is too relevant, since memory protection in MS-DOS is more or less a no-op.