From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752011AbbCJGAo (ORCPT ); Tue, 10 Mar 2015 02:00:44 -0400 Received: from cantor2.suse.de ([195.135.220.15]:59425 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751920AbbCJGAk (ORCPT ); Tue, 10 Mar 2015 02:00:40 -0400 Date: Tue, 10 Mar 2015 06:59:17 +0100 From: Borislav Petkov To: Kees Cook Cc: Yinghai Lu , Matt Fleming , "H. Peter Anvin" , Ingo Molnar , Baoquan He , Thomas Gleixner , Jiri Kosina , LKML , "linux-efi@vger.kernel.org" Subject: Re: [PATCH v3 2/7] x86, boot: Move ZO to end of buffer Message-ID: <20150310055917.GA3535@pd.tnic> References: <1425766041-6551-1-git-send-email-yinghai@kernel.org> <1425766041-6551-3-git-send-email-yinghai@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 09, 2015 at 05:54:01PM -0700, Kees Cook wrote: > On Sat, Mar 7, 2015 at 2:07 PM, Yinghai Lu wrote: > > Boris found data from boot stage can not be used kernel stage. > > "... be used during kernel stage." > > Also, can you give a specific example of this problem? (Which data, used how?) Yeah, I'm filling stuff in, no worries. It just takes twice as long as I'm decyphering early boot code *and* Yinghai. :-) -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --