Re: [RFC PATCH 2/2] ACPI / PPTT: cacheinfo: Label caches based on fw_token

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On 10/10/2018 3:46 AM, Sudeep Holla wrote:
On Tue, Oct 09, 2018 at 12:34:51PM -0600, Jeffrey Hugo wrote:
On 10/9/2018 11:58 AM, James Morse wrote:

It can be set for a non-leaf entry, I assumed it would always be set for a leaf.
Is anyone doing this with a PPTT table?

QDF2400 takes a strict interpretation of the spec, and does not set the flag
for leaf nodes.  I believe there are other implementations which do set the
flag for leaf nodes.


IIRC, based on the discussions when this was added, the ACPI Processor
ID  *must be* valid for the lead nodes.T he flag bit corresponding
to that should be considered as don't care as it's always guaranteed
to be valid.

Correct.

--
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.



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