From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f171.google.com (mail-qk0-f171.google.com [209.85.220.171]) by kanga.kvack.org (Postfix) with ESMTP id B9A986B0038 for ; Mon, 30 Nov 2015 19:42:29 -0500 (EST) Received: by qkao63 with SMTP id o63so66379889qka.2 for ; Mon, 30 Nov 2015 16:42:29 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id s79si47751722qgs.31.2015.11.30.16.42.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 30 Nov 2015 16:42:29 -0800 (PST) Subject: Re: [PATCHv2] arm: Update all mm structures with section adjustments References: <1447892054-8095-1-git-send-email-labbott@fedoraproject.org> From: Laura Abbott Message-ID: <565CECF1.6090101@redhat.com> Date: Mon, 30 Nov 2015 16:42:25 -0800 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Kees Cook , Laura Abbott Cc: Russell King , Catalin Marinas , Will Deacon , "linux-arm-kernel@lists.infradead.org" , LKML , Linux-MM On 11/30/2015 03:40 PM, Kees Cook wrote: > On Thu, Nov 19, 2015 at 11:10 AM, Kees Cook wrote: >> On Wed, Nov 18, 2015 at 4:14 PM, Laura Abbott wrote: >>> Currently, when updating section permissions to mark areas RO >>> or NX, the only mm updated is current->mm. This is working off >>> the assumption that there are no additional mm structures at >>> the time. This may not always hold true. (Example: calling >>> modprobe early will trigger a fork/exec). Ensure all mm structres >>> get updated with the new section information. >>> >>> Signed-off-by: Laura Abbott >> >> This looks right to me. :) >> >> Reviewed-by: Kees Cook >> >> Russell, does this work for you? > > Did this end up in the patch tracker? (I just sent a patch that'll > collide with this... I'm happy to do the fix up.) > I put this in the patch tracker this morning. > -Kees > Thanks, Laura -- 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