From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.188]) by ozlabs.org (Postfix) with ESMTP id 8100BDDEF2 for ; Tue, 10 Jul 2007 07:35:08 +1000 (EST) From: Arnd Bergmann To: Scott Wood Subject: Re: [PATCH] Allow exec on 32-bit from readable, non-exec pages, with a warning. Date: Mon, 9 Jul 2007 22:52:09 +0200 References: <20070709195743.GA26089@ld0162-tx32.am.freescale.net> <200707092225.25287.arnd@arndb.de> <4692A5B8.9010702@freescale.com> In-Reply-To: <4692A5B8.9010702@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200707092252.09795.arnd@arndb.de> Cc: linuxppc-dev@ozlabs.org, paulus@samba.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Monday 09 July 2007, Scott Wood wrote: > The hardware in question doesn't support non-executable mappings;=20 > otherwise, it'd never have worked in the first place. =A0Note that this i= s=20 > only allowed on 32-bit, non-book-E. >=20 > There isn't much value in enforcing non-exec mappings only if it happens= =20 > to be the first fault on a given page. Ok, much clearer now. Do you mind adding that explanation to the changelog text? If it's going into the stable kernel update, there may be more people reading this with the same problem understanding the patch. Arnd <><