Re: [Xen-devel] [patch 30/44] xen: Add support for preemption

To:	tgh <wwwwww4187@xxxxxxxxxxx>
Subject:	Re: [Xen-devel] [patch 30/44] xen: Add support for preemption
From:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date:	Wed, 31 Oct 2007 08:07:43 -0700
Cc:	Chris Wright <chrisw@xxxxxxxxxxxx>, lkml <linux-kernel@xxxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>, Andi Kleen <ak@xxxxxxx>
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tgh wrote:
> Thank you for your reply
> and what about the kernel thread in the xen hypervisor,are there some
> instance of kernel threads running in the hypervisor?
> I am not sure ,but somewhere I read that there is no kernel thread in
> the xen hypervisor ,is it true or what about it?
>   

No, there are no linux kernel threads in the hypervisor. The only
thread-like thing Xen has is a virtual CPU, and they're always guest
domain vcpus.

J

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