From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f174.google.com (mail-we0-f174.google.com [74.125.82.174]) by kanga.kvack.org (Postfix) with ESMTP id CB0356B0038 for ; Thu, 19 Mar 2015 09:04:27 -0400 (EDT) Received: by weop45 with SMTP id p45so56718711weo.0 for ; Thu, 19 Mar 2015 06:04:27 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id ex13si2923436wid.100.2015.03.19.06.04.25 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 19 Mar 2015 06:04:26 -0700 (PDT) Message-ID: <550AC958.9010502@suse.cz> Date: Thu, 19 Mar 2015 14:04:24 +0100 From: Vlastimil Babka MIME-Version: 1.0 Subject: Re: [PATCH RFC] mm: protect suid binaries against rowhammer with copy-on-read mappings References: <20150318083040.7838.76933.stgit@zurg> <20150318095702.GA2479@node.dhcp.inet.fi> <5509644C.40502@yandex-team.ru> In-Reply-To: <5509644C.40502@yandex-team.ru> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov , "Kirill A. Shutemov" , Konstantin Khlebnikov Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" , Andrew Morton , Linus Torvalds , Andy Lutomirski On 03/18/2015 12:41 PM, Konstantin Khlebnikov wrote: > On 18.03.2015 12:57, Kirill A. Shutemov wrote: >> >> I don't think it worth it. The only right way to fix the problem is ECC >> memory. >> > > ECC seems good protection until somebody figure out how to break it too. I doubt that kind of attitude can get us very far. If we can't trust the hardware, we lose sooner or later. -- 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