From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] x86/efi: pull NV+BS variables out before we exit boot services Date: Tue, 19 Mar 2013 01:48:50 +0000 Message-ID: <20130319014850.GA28934@srcf.ucam.org> References: <1363596014.2412.8.camel@dabdike.int.hansenpartnership.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1363596014.2412.8.camel-sFMDBYUN5F8GjUHQrlYNx2Wm91YjaHnnhRte9Li2A+AAvxtiuMwx3w@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: James Bottomley Cc: linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel List-Id: linux-efi@vger.kernel.org On Mon, Mar 18, 2013 at 08:40:14AM +0000, James Bottomley wrote: > The object here is to make the NV+BS variables accessible (at least read only) > at runtime so we can get a full picture of the state of the EFI variables for > debugging and secure boot purposes. I'd really prefer not to do this - the reason these aren't flagged as RT is that they're not supposed to be visible at runtime and may break certain security assumptions. If there's a real development purpose to this then it ought to be guarded as a config option. -- Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org