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Re: [Xen-ia64-devel] Why Xen/ia64 pins vCPU0 of Domain-0 on pCPU0?

from [Tristan Gingold] [Permanent Link][Original]
To: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-ia64-devel] Why Xen/ia64 pins vCPU0 of Domain-0 on pCPU0?
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Mon, 31 Jul 2006 08:16:47 +0200
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Le Lundi 31 Juillet 2006 05:41, Masaki Kanno a écrit :
> Hi all,
>
> I have a basic question. Is there any particular reason why Xen/ia64
> pins vCPU0 of Domain-0 on pCPU0? (cf. xensetup.c)
I did pin vcpu0 of dom0 when adding SMP-host.  Because at this time vcpu  
migration was not supported.
Outdated.

> 'xm vcpu-pin Domain-0 0 X' command crashes Domain-0. I thought that
> Domain-0 should reject this command on Xen/ia64, if there was a reason
> for pinning vCPU0.
This is a bug.

Tristan.

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