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Re: [Qemu-devel] [PATCH v6 05/14] numa: Extend CLI to provide initiator


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v6 05/14] numa: Extend CLI to provide initiator information for numa nodes
Date: Mon, 8 Jul 2019 08:20:27 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 7/7/19 9:29 AM, Tao Xu wrote:
> In ACPI 6.3 chapter 5.2.27 Heterogeneous Memory Attribute Table (HMAT),
> The initiator represents processor which access to memory. And in 5.2.27.3
> Memory Proximity Domain Attributes Structure, the attached initiator is
> defined as where the memory controller responsible for a memory proximity
> domain. With attached initiator information, the topology of heterogeneous
> memory can be described.
> 
> Extend CLI of "-numa node" option to indicate the initiator numa
> node-id.
> 
> Suggested-by: Dan Williams <address@hidden>
> Signed-off-by: Tao Xu <address@hidden>
> ---

> +++ b/qapi/misc.json
> @@ -2572,6 +2572,9 @@
>  # @memdev: memory backend object.  If specified for one node,
>  #          it must be specified for all nodes.
>  #
> +# @initiator: the initiator numa nodeid that is closest (as in directly
> +#             attached) to this numa node.

Missing a '(since 4.2)' designator. We've already missed softfreeze for
4.1, and this is a new feature, so probably does have to slip into 4.2.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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