From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46200) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UoThz-0007nk-3T for qemu-devel@nongnu.org; Mon, 17 Jun 2013 03:18:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UoTht-0005ka-SC for qemu-devel@nongnu.org; Mon, 17 Jun 2013 03:18:35 -0400 Received: from mx.ipv6.kamp.de ([2a02:248:0:51::16]:54103 helo=mx01.kamp.de) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1UoTht-0005kF-Id for qemu-devel@nongnu.org; Mon, 17 Jun 2013 03:18:29 -0400 Message-ID: <51BEB837.4060309@kamp.de> Date: Mon, 17 Jun 2013 09:18:15 +0200 From: Peter Lieven MIME-Version: 1.0 References: <51B96205.4010601@kamp.de> <20130613084015.GF2633@stefanha-thinkpad.redhat.com> <51B98822.1030402@kamp.de> <8761xi7016.fsf@blackfin.pond.sub.org> <87vc5iz0j8.fsf@codemonkey.ws> <51BABE8D.1040103@de.ibm.com> <7AA2E3E7-4348-4A43-BAEB-14DC4E38D6BB@suse.de> <51BB1DE4.30403@redhat.com> In-Reply-To: <51BB1DE4.30403@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC] sanitize memory on system reset List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Markus Armbruster , "H. Peter Anvin" , "qemu-devel@nongnu.org" , Alexander Graf , Christian Borntraeger , Anthony Liguori , Stefan Hajnoczi Am 14.06.2013 15:43, schrieb Paolo Bonzini: > Il 14/06/2013 05:44, Alexander Graf ha scritto: >> Legacy 286 protected mode to real mode switching also happens through >> the CPU reset PIN, so there certainly is a need to distinguish. > That's a separate thing because devices aren't reset at all---not just > memory. > > I have pending patches for that, they've been rotting in my tree for a > while. :) Which strategy would you follow? Wait until your patches are in or start with a memory sanitize patch that can be enabled via commandline Peter