[Xen-devel] [PATCH 1/4, RFC] x86_64: basic changes for supporting compatibility mode guest (version 2)

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

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

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Attachment: 32on64-base.patch
Description: Text document

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