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xen-devel
Re: [Xen-devel] Help with CONFIG_COMPAT
CONFIG_COMPAT is always set for 64-bit hypervisor. You can consider it
equivalent to CONFIG_X86_64 really, but it's generally used to indicate
stuff relating to the compat shim.
Theoretically if CONFIG_COMPAT were not set then 64-bit Xen could not run
32-bit guests (dom0 or domU). But CONFIG_COMPAT is never disabled in
practice.
-- Keir
On 08/10/2009 05:12, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:
> Can someone please clarify this. (yes/no):
>
> For 64bit hypervisor:
>
> 1. if CONFIG_COMPAT is set, then dom0 must be 32bit?
>
>
> 2. if CONFIG_COMPAT is not set, then dom0 must be 64bit?
>
>
> 3. if CONFIG_COMPAT is not set, then domU cannot be 32bit?
>
>
> thanks a lot,
> Mukesh
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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