Message-ID: <46BB4E26.6010007@zytor.com>
Date: Thu, 09 Aug 2007 10:25:58 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
User-Agent: Thunderbird 2.0.0.0 (X11/20070419)
MIME-Version: 1.0
To: Andi Kleen <ak@suse.de>
CC: huang ying <huang.ying.caritas@gmail.com>,
       Etienne Lorrain <etienne_lorrain@yahoo.fr>,
       linux-kernel@vger.kernel.org, ebiederm@xmission.com
Subject: Re: [PATCH 5/5] x86_64 EFI support -v3: EFI document
References: <183884.85434.qm@web26915.mail.ukl.yahoo.com> <200708091251.21726.ak@suse.de> <851fc09e0708090709s4f4fbbf9r91a7300a773f985a@mail.gmail.com> <200708091901.11146.ak@suse.de>
In-Reply-To: <200708091901.11146.ak@suse.de>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 718
Lines: 20

Andi Kleen wrote:
> 
> Ah i didn't realize this. Ok then kexec is also quite broken.
> Somehow this must have been missed this fundamental flaw when this code was 
> reviewed.
> 

It wasn't missed.  It was given the "there is no other way" defence, and
somehow that was considered sufficient.

Now, one could argue that kexec can just pass the boot_params from the
previous kernel boot, except there is no way to read them out, and so
it's not how it actually works.

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/