From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrea Corallo via "Emacs development discussions." Newsgroups: gmane.emacs.devel Subject: Re: Getting ready to land native-compilation on master Date: Thu, 15 Apr 2021 16:23:07 +0000 Message-ID: References: <83v98v7dzs.fsf@gnu.org> <87v98ox3pe.fsf@tammy.lan.sha-bang.de> <83czuwzto3.fsf@gnu.org> <8735vrbxrs.fsf@tammy.lan.sha-bang.de> Reply-To: Andrea Corallo Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18465"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Eli Zaretskii , emacs-devel@gnu.org To: wilde@sha-bang.de Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Apr 15 18:23:55 2021 Return-path: Envelope-to: ged-emacs-devel@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 1lX4mZ-0004hQ-6b for ged-emacs-devel@m.gmane-mx.org; Thu, 15 Apr 2021 18:23:55 +0200 Original-Received: from localhost ([::1]:53472 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lX4mY-0007xE-AB for ged-emacs-devel@m.gmane-mx.org; Thu, 15 Apr 2021 12:23:54 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38980) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lX4lt-0007UE-Bp for emacs-devel@gnu.org; Thu, 15 Apr 2021 12:23:13 -0400 Original-Received: from mx.sdf.org ([205.166.94.24]:64650) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lX4lr-0001V0-2t; Thu, 15 Apr 2021 12:23:13 -0400 Original-Received: from mab (ma.sdf.org [205.166.94.33]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 13FGN7Qc012321 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Thu, 15 Apr 2021 16:23:08 GMT In-Reply-To: <8735vrbxrs.fsf@tammy.lan.sha-bang.de> (wilde@sha-bang.de's message of "Thu, 15 Apr 2021 13:19:35 +0200") Received-SPF: pass client-ip=205.166.94.24; envelope-from=akrl@sdf.org; helo=mx.sdf.org X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:268104 Archived-At: wilde@sha-bang.de writes: > Eli Zaretskii wrote: >>> - I hat to disable memory protection on the system to make the native >>> compiler work: >>> sysctl -w security.pax.mprotect.global=0 >>> sysctl -w security.pax.mprotect.enabled=0 >>> This is not a Emacs specific problem but a problem with libgccjit >>> itself. (The basic gcc jit "Hello World" example also fails with >>> memory protection in place). >> >> I'm not sure I understand why this happens, but I think this issue >> should be reported to the GCC Bugzilla. > > It turns out, that disabling security.pax.mprotect.global is enough, > however this still poses a potential security risk and means that > libgccjit can not be used on default setup of NetBSD. > > I created a upstream report: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100096 Thanks Andrea