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Re: [Xen-devel] [PATCH 6/7, RFC] x86_64: basic changes for supporting compatibility mode guest


  • To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 23 Aug 2006 10:40:22 +0100
  • Delivery-date: Wed, 23 Aug 2006 02:40:38 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcbGmCcaZZtBWDKLEduhlQAKle7CWA==
  • Thread-topic: [Xen-devel] [PATCH 6/7, RFC] x86_64: basic changes for supporting compatibility mode guest



On 23/8/06 10:16 am, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> This changes the ABI in adding to vcpu_guest_context - does a change like
> this require bumping the ABI version?

We can't do this as the struct is part of the domU ABI (used for
initialising secondary VCPUs). You'll have to add the extra CS values to
64-bit arch_vcpu, I think.

 -- Keir



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