From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Jan Beulich <jbeulich@novell.com>, Guanqun Lu <guanqun.lu@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: question about patch 13252
Date: Thu, 19 Mar 2009 17:06:48 +0000 [thread overview]
Message-ID: <C5E82C28.48E5%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <49C26B90.76E4.0078.0@novell.com>
On 19/03/2009 14:58, "Jan Beulich" <jbeulich@novell.com> 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
next prev parent reply other threads:[~2009-03-19 17:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-19 14:07 question about patch 13252 Lu, Guanqun
2009-03-19 14:20 ` Lu, Guanqun
2009-03-19 14:22 ` Keir Fraser
2009-03-19 14:34 ` Lu, Guanqun
2009-03-19 14:49 ` Keir Fraser
2009-03-19 14:58 ` Jan Beulich
2009-03-19 17:06 ` Keir Fraser [this message]
2009-03-20 5:34 ` Lu, Guanqun
2009-03-20 5:35 ` Lu, Guanqun
2009-03-19 14:53 ` Jan Beulich
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