[libvirt][RFC PATCH] add a new 'default' option for attribute mode in numatune

[Martin Kletzander]

On Fri, Nov 20, 2020 at 01:17:29PM +0800, Zhong, Luyao wrote:
>On 11/18/2020 8:42 PM, Martin Kletzander wrote:
>> So let's finish this sooner rather than later.  Let's remove the
>> "migratable/movable" attribute and add another mode for the way memory
>> allocations are going to be treated.  But let's name it something else than
>> "default" and let's explain the name properly in man pages and
>> documentation.
>> Since naming is hard and names I come up with are usually bad I can only
>> suggest
>> a lowest bottom fallback if we can't come up with anything else =) Let's
>> say
>> something like "restrictive".
>>
>I have no better name than yours. So "restrictive" is good I think, I
>could use it and send out the patch first, then other reviewers might
>come up with new name otherwise we keep it.
>

I actually thought of another way yesterday.  What if not specifying any mode,
but specifying nodeset means we'll use cpuset.mems, but don't tell QEMU?  That
sounds to me like something that could make sense for both of us and could be
easily explainable in the documentation to your users.

Basically just like your patch, but "no mode" means "default mode" and without
any "migratable" or anything.  We might need to figure out how to deal with
virsh parameters, but that should be easy to do.

Thanks for your patience ;)
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