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[Xen-devel] [PATCH 6/7, RFC] x86_64: basic changes for supporting compat
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| Subject: | [Xen-devel] [PATCH 6/7, RFC] x86_64: basic changes for supporting compatibility mode guest |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | Wed, 23 Aug 2006 11:16:01 +0200 |
| Delivery-date: | Wed, 23 Aug 2006 02:16:04 -0700 |
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This introduces - a (generic) config setting to turn on compatibility mode support - support to load a Dom0 32-bit ELF image on 64-bit - a compatibility guest mode GDT (requires moving the ring 0 selectors to different GDT slots), and the respective selector handling changes - some initial code path changes to address the needs of a compatibility mode guest This changes the ABI in adding to vcpu_guest_context - does a change like this require bumping the ABI version? Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
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