[PATCH v8 11/13] arm64: topology: enable ACPI/PPTT based CPU topology
jeremy.linton at arm.com
Wed May 2 15:35:50 PDT 2018
On 05/02/2018 03:24 AM, Rafael J. Wysocki wrote:
> On Tue, May 1, 2018 at 4:46 PM, Sudeep Holla <sudeep.holla at 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 at 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.
Yah, I missed this one, is there a linter everyone is using that finds
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