Re: [PATCH 5/6] x86/numa: push forward the setup of node to cpumask map

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On 2/24/19 4:34 AM, Pingfan Liu wrote:
> At present the node to cpumask map is set up until the secondary
> cpu boot up. But it is too late for the purpose of building node fall back
> list at early boot stage. Considering that init_cpu_to_node() already owns
> cpu to node map, it is a good place to set up node to cpumask map too. So
> do it by calling numa_add_cpu(cpu) in init_cpu_to_node().

It sounds like you have carefully considered the ordering and
dependencies here.  However, none of that consideration has made it into
the code.

Could you please add some comments to the new call-sites to explain why
the *must* be where they are?




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