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Re: [Xen-devel] Re: [PATCH] Xen Guest Kexec

from [Gerd Hoffmann] [Permanent Link][Original]
To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] Xen Guest Kexec
From: Gerd Hoffmann <kraxel@xxxxxxx>
Date: Thu, 02 Mar 2006 17:36:12 +0100
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Mark Williamson <mark.williamson@xxxxxxxxxxxx>, Horms <horms@xxxxxxxxxxxx>
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> Looks like your new pagetables have a writable mapping of MFN 18c95,
> which is the new page directory. i.e., the new p.t. set is not self
> consistent?

They where indeed.  Wrong usage of pte_wrprotect() :-/
Next question: Is there some way to _clear_ the trap table?

cheers,
  Gerd

-- 
Gerd 'just married' Hoffmann <kraxel@xxxxxxx>
I'm the hacker formerly known as Gerd Knorr.
http://www.suse.de/~kraxel/just-married.jpeg

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