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Re: [Xen-devel] VCPU cores & sockets

To: Jean Guyader <jean.guyader@xxxxxxxxxxxxx>, Ben Guthro <bguthro@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] VCPU cores & sockets
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 17 Jun 2008 16:53:17 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 17/6/08 15:44, "Jean Guyader" <jean.guyader@xxxxxxxxxxxxx> wrote:

>> Can we present cores vs sockets for guest VCPUs?
>> Right now, the number of total processors can be specified, but can we
>> specify cores per socket?
>> 
>> I see this potentially being an hvmloader function, as part of its acpi
>> build code.
>> Could this be accomplished more generally?
> 
> This already exists, It's supported via a CPUID configuration.
> Right now there are just some comments in the xmexample.hvm file.

Yes, and I don't think CPU topology needs to have any effect on the ACPI
tables.

> I think it would be better to have an entry in the config file like you
> suggest. I will work on that.

I argue against further redundant domain config options.

 -- Keir



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