Re: [Xen-users] How to determine if executing under Xen

["Henning Sprang" <henning_sprang@xxxxxx>]

On 7/27/06, mjfeeney@xxxxxxxxxxx <mjfeeney@xxxxxxxxxxx> wrote:
> Hello,
>
>  I apologize if this has been asked before.  I searched but could not find a
> similar question.
>
>  I am writing a device driver targeted for Linux 2.6.16 running under Xen
> 3.0.
If this is the target, why worry about scenarios when the driver is no
running on xen?

> Is there an easy mechanism for my code to determine if Linux is
> running as a Xen domain rather than natively?  I want to behave slightly
> differently in each case.
Sounds like a xen developer question.

I am not kernel hacker enough to know how a kernel module can find
which other modules are active. If there's a way, I'd just check for
the xen specific modules. For example, the xen kernel is running on a
specific subarchitecture of i386, if you can find that, you are on a
xen kernel.

Henning

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