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Re: [Xen-devel] CPU enumeration in Xen

  • To: Dominik Klein <dk@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 22 Aug 2007 15:15:35 +0100
  • Delivery-date: Wed, 22 Aug 2007 07:16:16 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acfkxuf7JklGGFC6Edyp4wAX8io7RQ==
  • Thread-topic: [Xen-devel] CPU enumeration in Xen

On 22/8/07 15:04, "Dominik Klein" <dk@xxxxxxxxxxxxxxxx> wrote:

>> If you want to tie dom0 VCPUs 1:1 with physical CPUs then you can put
>> dom0_vcpus_pin on your Xen command line.
> So then, when I do "xm vcpu-pin my-domain 0 1", it will pin VCPU0 in
> my-domain to the second HT of physical CPU 1?
> That would be great as it would be straight forward.

Enumeration order is not guaranteed across systems. This could be fixed by
sorting the processor info records after we've found them in the BIOS

 -- Keir

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