Message-ID: <51A8B686.9020603@linux.intel.com>
Date: Fri, 31 May 2013 07:41:10 -0700
From: "H. Peter Anvin" <hpa@linux.intel.com>
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To: Russ Anderson <rja@sgi.com>
CC: Matt Fleming <matt@console-pimps.org>,
        Matthew Garrett <matthew.garrett@nebula.com>, matt.fleming@intel.com,
        linux-efi@vger.kernel.org, x86@kernel.org,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>, Josh Boyer <jwboyer@redhat.com>
Subject: Re: [regression, bisected] x86: efi: Pass boot services variable
 info to runtime code
References: <20130522162747.GA20816@sgi.com> <20130523115801.GJ14575@console-pimps.org> <20130523222321.GB31880@sgi.com> <20130524074544.GM14575@console-pimps.org> <20130529201616.GB28027@sgi.com>
In-Reply-To: <20130529201616.GB28027@sgi.com>
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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


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