From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f72.google.com (mail-it0-f72.google.com [209.85.214.72]) by kanga.kvack.org (Postfix) with ESMTP id 822656B0038 for ; Mon, 22 Aug 2016 15:23:35 -0400 (EDT) Received: by mail-it0-f72.google.com with SMTP id x131so6059451ite.1 for ; Mon, 22 Aug 2016 12:23:35 -0700 (PDT) Received: from quartz.orcorp.ca (quartz.orcorp.ca. [184.70.90.242]) by mx.google.com with ESMTPS id r205si18059177itc.37.2016.08.22.12.23.24 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Aug 2016 12:23:24 -0700 (PDT) Date: Mon, 22 Aug 2016 13:22:56 -0600 From: Jason Gunthorpe Subject: Re: [PATCH v4] powerpc: Do not make the entire heap executable Message-ID: <20160822192256.GA10199@obsidianresearch.com> References: <20160810130030.5268-1-dvlasenk@redhat.com> <874m6ejf81.fsf@linux.vnet.ibm.com> <47a2e87e-5299-a009-8a65-5171b33967a1@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47a2e87e-5299-a009-8a65-5171b33967a1@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Denys Vlasenko Cc: "Aneesh Kumar K.V" , linuxppc-dev@lists.ozlabs.org, Benjamin Herrenschmidt , Paul Mackerras , Kees Cook , Oleg Nesterov , Michael Ellerman , Florian Weimer , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Mon, Aug 22, 2016 at 08:37:05PM +0200, Denys Vlasenko wrote: > >Is this going to break any application ? I am asking because you > >mentioned the patch is lightly tested. > > I booted powerpc64 machine with RHEL7 installation, > it did not catch fire. When I authored the original patch my concern was if it had unforseen impacts on other platforms. I know PPC32 and ARM32 work OK. It would good to test other platforms as well. Jason -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org