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Re: [PATCH v6 1/2] qom: new object to associate device to numa node


From: Ankit Agrawal
Subject: Re: [PATCH v6 1/2] qom: new object to associate device to numa node
Date: Thu, 4 Jan 2024 12:33:30 +0000

>> However, I'll leave it up to those more familiar with the QEMU numa
>> control interface design to comment on whether this approach is preferable
>> to making the gi part of the numa node entry or doing it like hmat.
>> -numa srat-gi,node-id=10,gi-pci-dev=dev1
>
> The current way of acpi-generic-initiator object usage came out of the 
> discussion
> on v1 to essentially link all the device NUMA nodes to the device.
> (https://lore.kernel.org/all/20230926131427.1e441670.alex.williamson@redhat.com/)

> Can Alex or David comment on which is preferable (the current mechanism vs 1:1
> mapping per object as suggested by Jonathan)?

Just to add, IMO just a single Qemu object to tie the nodes with the device is
better as the nodes are kind of a pool. Having several objects may be an 
overkill?

Plus this is a Qemu object, eventually we populate one SRAT GI structure to
expose the PXM-to-device link.


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