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From: "H. Peter Anvin" <hpa@zytor.com>
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
Date: Thu, 09 Aug 2007 10:25:58 -0700	[thread overview]
Message-ID: <46BB4E26.6010007@zytor.com> (raw)
In-Reply-To: <200708091901.11146.ak@suse.de>

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

  reply	other threads:[~2007-08-09 17:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-09  9:47 [PATCH 5/5] x86_64 EFI support -v3: EFI document Etienne Lorrain
2007-08-09 10:51 ` Andi Kleen
2007-08-09 11:23   ` RE : " Etienne Lorrain
2007-08-09 14:09   ` huang ying
2007-08-09 16:29     ` H. Peter Anvin
2007-08-09 17:01     ` Andi Kleen
2007-08-09 17:25       ` H. Peter Anvin [this message]
2007-08-10 13:03       ` Huang, Ying
  -- strict thread matches above, loose matches on Subject: below --
2007-07-31  3:13 Huang, Ying
2007-07-31  4:40 ` Eric W. Biederman
2007-07-31  6:58   ` Huang, Ying
2007-08-01 17:16     ` Eric W. Biederman
2007-08-07  9:29       ` Huang, Ying
2007-08-07  9:54         ` Andi Kleen
2007-08-08  8:18           ` Huang, Ying
2007-08-08 10:08             ` Andi Kleen
2007-08-08 13:46               ` Huang, Ying
2007-08-08 14:09                 ` Andi Kleen
2007-08-08 15:11                   ` huang ying
2007-08-08 16:23                     ` Andi Kleen
2007-08-08 16:10               ` Eric W. Biederman
2007-08-08 16:22                 ` Andi Kleen
2007-08-08 17:17                   ` Eric W. Biederman

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