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Re: [Xen-devel] [PATCH] 32on64 call gate support

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Fri, 26 Jan 2007 10:19:56 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 26 Jan 2007 02:17:54 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

>Do we know that anyone uses 64-bit call gates? I would have thought it
>unlikely.

I don't know of anyone, but this only speaks about Linux. Of course, things
could be left as-is (after the patch or something smarter is applied to make
compatibility guests work), making 64-bit call gates unusable, or
check_descriptor() could even reject them for 64-bit guests.

Jan

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References:
- [Xen-devel] [PATCH] 32on64 call gate support
  - From: Jan Beulich
- Re: [Xen-devel] [PATCH] 32on64 call gate support
  - From: Keir Fraser

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