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From: Andi Kleen <ak@suse.de>
To: "Jan Beulich" <JBeulich@novell.com>
Subject: Re: [PATCH 19/39] NLKD/x86-64 - stack-pointer-invalid markers
Date: Thu, 10 Nov 2005 14:23:55 +0100
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On Wednesday 09 November 2005 15:14, Jan Beulich wrote:
> This adds static information about the code regions where the stack
> pointer cannot be relied upon. Kernel debuggers may then use this
> information to determine which stack to switch to when having a need
> to switch off of namely the NMI stack.

Hmm - can't this be expressed in CFI somehow? 

-Andi