From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code Date: Fri, 31 May 2013 07:41:10 -0700 Message-ID: <51A8B686.9020603@linux.intel.com> References: <20130522162747.GA20816@sgi.com> <20130523115801.GJ14575@console-pimps.org> <20130523222321.GB31880@sgi.com> <20130524074544.GM14575@console-pimps.org> <20130529201616.GB28027@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130529201616.GB28027-sJ/iWh9BUns@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Russ Anderson Cc: Matt Fleming , Matthew Garrett , matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , Thomas Gleixner , Josh Boyer List-Id: linux-efi@vger.kernel.org On 05/29/2013 01:16 PM, Russ Anderson wrote: > > To be more specific (now that I've dug through the code), grub2 (used > by rhel7) uses EFI boot stubs. grub and elilo apparently do not use > EFI boot stubs, so they don't hit the problem (at least on my test > systems). > Grub2 *can* use the EFI boot stub... as far as I know it doesn't by default, but the way it is used in RHEL does. Either way, we need to fix this and fix it soon. -hpa