linux-kernel - Re: [PATCH 5/5] x86_64 EFI support -v3: EFI document

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Message-ID: <46BB4E26.6010007@zytor.com>
Date:	Thu, 09 Aug 2007 10:25:58 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <ak@...e.de>
CC:	huang ying <huang.ying.caritas@...il.com>,
	Etienne Lorrain <etienne_lorrain@...oo.fr>,
	linux-kernel@...r.kernel.org, ebiederm@...ssion.com
Subject: Re: [PATCH 5/5] x86_64 EFI support -v3: EFI document

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
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