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Date:   Tue, 12 Dec 2017 10:13:08 -0600
From:   Jeremy Linton <>
To:     "Rafael J. Wysocki" <>
Subject: Re: [PATCH v5 6/9] ACPI/PPTT: Add topology parsing code


First, thanks for taking a look at this.

On 12/11/2017 07:12 PM, Rafael J. Wysocki wrote:
> On Friday, December 1, 2017 11:23:27 PM CET Jeremy Linton wrote:
>> The PPTT can be used to determine the groupings of CPU's at
>> given levels in the system. Lets add a few routines to the PPTT
>> parsing code to return a unique id for each unique level in the
>> processor hierarchy. This can then be matched to build
>> thread/core/cluster/die/package/etc mappings for each processing
>> element in the system.
>> Signed-off-by: Jeremy Linton <>
> Why can't this be folded into patch [2/9]?

It can, and I will be happy squash it.

It was requested that the topology portion of the parser be split out 
back in v3.

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