Re: [Xen-devel] [PATCH v2 3/4] sysctl: Add sysctl interface for querying PCI topology

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 07.01.15 at 16:54, <boris.ostrovsky@xxxxxxxxxx> wrote:
> On 01/07/2015 10:17 AM, Jan Beulich wrote:
>> I personally think that exposing e.g. the firmware
>> determined (and hence hopefully stable across reboots) PXM would
>> be more reasonable.
> 
> Again, the main argument that I see against using PXM values directly is 
> the fact that it's not zero-based/non-contiguous.

I have to admit that I can't see why either of the aspects would
matter.

One thing coming to mind though is that the memory allocation
interfaces want Xen node numbers passed in.

Jan


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