Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964898AbWJCSXt (ORCPT ); Tue, 3 Oct 2006 14:23:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964899AbWJCSXs (ORCPT ); Tue, 3 Oct 2006 14:23:48 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:56026 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964898AbWJCSXr (ORCPT ); Tue, 3 Oct 2006 14:23:47 -0400 Subject: Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps From: Arjan van de Ven To: Stas Sergeev Cc: Linux kernel , Alan Cox , Hugh Dickins , Ulrich Drepper , Valdis.Kletnieks@vt.edu In-Reply-To: <45229A99.6060703@aknet.ru> References: <45150CD7.4010708@aknet.ru> <451555CB.5010006@aknet.ru> <1159037913.24572.62.camel@localhost.localdomain> <45162BE5.2020100@aknet.ru> <1159106032.11049.12.camel@localhost.localdomain> <45169C0C.5010001@aknet.ru> <4516A8E3.4020100@redhat.com> <4516B2C8.4050202@aknet.ru> <4516B721.5070801@redhat.com> <45198395.4050008@aknet.ru> <1159396436.3086.51.camel@laptopd505.fenrus.org> <451E3C0C.10105@aknet.ru> <1159887682.2891.537.camel@laptopd505.fenrus.org> <45229A99.6060703@aknet.ru> Content-Type: text/plain Organization: Intel International BV Date: Tue, 03 Oct 2006 20:23:39 +0200 Message-Id: <1159899820.2891.542.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 915 Lines: 26 > point. :) > > > What breaks? > You missed the beginning of the discussion, but briefly: > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=386945 > ... breaks UML and dosemu. > Also I speculate that it makes Wine slower causing it to > fallback to read() if the windows partition is mounted with > "noexec" (which I think is/was common). In that case people > will never figure out why Wine suddenly became slower and > more memory-consuming than before. BUT THIS IS MADNESS! you do "noexec" and then complain that executing (!!) windows binaries from that gets more of a problem! > -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/