Re: [PATCH v8 4/7] xen/cpupool: Create different cpupools at boot time

[Juergen Gross <jgross@xxxxxxxx>]

On 06.05.22 14:00, Luca Fancellu wrote:
> Introduce a way to create different cpupools at boot time, this is
> particularly useful on ARM big.LITTLE system where there might be the
> need to have different cpupools for each type of core, but also
> systems using NUMA can have different cpu pools for each node.
>
> The feature on arm relies on a specification of the cpupools from the
> device tree to build pools and assign cpus to them.
>
> ACPI is not supported for this feature.
>
> With this patch, cpupool0 can now have less cpus than the number of
> online ones, so update the default case for opt_dom0_max_vcpus.
>
> Documentation is created to explain the feature.
>
> Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx> # non-arm parts


Juergen

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