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Re: [Xen-devel] question about patch 13252

To: Jan Beulich <jbeulich@xxxxxxxxxx>, Guanqun Lu <guanqun.lu@xxxxxxxxx>
Subject: Re: [Xen-devel] question about patch 13252
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 19 Mar 2009 17:06:48 +0000
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On 19/03/2009 14:58, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> If Jan can counter my claim, then you can instead switch back to the
>> non-compat GDT for the LTR, or you can decide which descriptor to set B in
>> based on which GDT you're running on, or force the B bit in both descriptors
>> after the LTR, or... You have a few options. :-)
> Correct. I wonder why you're running on the compat GDT in the first place -
> is your Dom0 32-bit? If that's the case, then the clearing of the bit that
> must
> exist somewhere simply should be extended to touch the current GDT
> rather than the default one.

I fixed this issue as c/s 19400. I just temporarily switch over to the
non-compat GDT to do the LTR. Guanqun: please can you test this?

 -- Keir

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