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SubjectRe: [PATCH v8 11/13] arm64: topology: enable ACPI/PPTT based CPU topology
On Tue, May 1, 2018 at 4:46 PM, Sudeep Holla <sudeep.holla@arm.com> wrote:
>
>
> On 26/04/18 00:31, Jeremy Linton wrote:
>> Propagate the topology information from the PPTT tree to the
>> cpu_topology array. We can get the thread id and core_id by assuming
>> certain levels of the PPTT tree correspond to those concepts.
>> The package_id is flagged in the tree and can be found by calling
>> find_acpi_cpu_topology_package() which terminates
>> its search when it finds an ACPI node flagged as the physical
>> package. If the tree doesn't contain enough levels to represent
>> all of the requested levels then the root node will be returned
>> for all subsequent levels.
>>
>
> Acked-by: Sudeep Holla <sudeep.holla@arm.com>
>
> [..]
>
>> @@ -304,6 +345,8 @@ void __init init_cpu_topology(void)
>> * Discard anything that was parsed if we hit an error so we
>> * don't use partial information.
>> */
>> - if (of_have_populated_dt() && parse_dt_topology())
>> + if ((!acpi_disabled) && parse_acpi_topology())
>
> [nit] not sure if extra () is need above,

No, it isn't.

> but I am fine either way.

The redundant parens need to go away, really.

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