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Re: [Qemu-devel] Partial NUMA config
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From: |
Alexey Kardashevskiy |
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Subject: |
Re: [Qemu-devel] Partial NUMA config |
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Date: |
Wed, 21 Mar 2018 15:04:43 +1100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 |
On 20/3/18 5:46 pm, Igor Mammedov wrote:
> On Mon, 19 Mar 2018 15:28:50 +1100
> Alexey Kardashevskiy <address@hidden> wrote:
>
>> On 13/3/18 1:26 pm, Alexey Kardashevskiy wrote:
>>> Hi Igor,
>>>
>>> ec78f8114bc4c1 "numa: use possible_cpus for not mapped CPUs check" added a
>>> warning about "All CPU(s) up to maxcpus should be described in NUMA config,
>>> ability to start up with partial NUMA mappings is obsoleted and will be
>>> removed in future" and this is printed when I add a numa node without
>>> attached CPU like this:
>>>
>>> -numa node,nodeid=0,cpus=0,mem=4G
>>> -numa node,nodeid=1,mem=131072M
> Warning you see is about CPU(s) not assigned to any node
> and it has noting to do with cpu-less node.
>
> What's the full CLI you are using?
I do not have it handy but it included:
-smp 2 -numa node,nodeid=0,cpus=0,mem=4G -numa node,nodeid=1,mem=131072M
And your explanation about nonassigned CPUs makes sense, thanks!
--
Alexey