From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933493Ab2GMSCi (ORCPT ); Fri, 13 Jul 2012 14:02:38 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:58984 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932563Ab2GMSCg (ORCPT ); Fri, 13 Jul 2012 14:02:36 -0400 Date: Fri, 13 Jul 2012 19:02:31 +0100 From: Matthew Garrett To: James Bottomley Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Runtime updates to EFI secure variables Message-ID: <20120713180231.GA19355@srcf.ucam.org> References: <1342199546.3039.30.camel@dabdike.int.hansenpartnership.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1342199546.3039.30.camel@dabdike.int.hansenpartnership.com> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 13, 2012 at 06:12:26PM +0100, James Bottomley wrote: > This means (provided we have access to the relevant keys) we can move > the platform into and out of Setup Mode as well as add signing and other > keys. I'm pretty sure that the expected behaviour is to use EFI_VARIABLE_APPEND_WRITE for these updates, which means you don't need to worry about the timestamp. -- Matthew Garrett | mjg59@srcf.ucam.org