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Re: [PATCH v1 2/9] s390x: toplogy: adding drawers and books to smp parsi


From: Markus Armbruster
Subject: Re: [PATCH v1 2/9] s390x: toplogy: adding drawers and books to smp parsing
Date: Thu, 15 Jul 2021 12:48:09 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)

Pierre Morel <pmorel@linux.ibm.com> writes:

> On 7/15/21 8:16 AM, Markus Armbruster wrote:
>> Pierre Morel <pmorel@linux.ibm.com> writes:
>> 
>>> Drawers and Books are levels 4 and 3 of the S390 CPU
>>> topology.
>>> We allow the user to define these levels and we will
>>> store the values inside the S390CcwMachineState.
>> 
>> Double-checking: are these members specific to S390?
>
> Yes AFAIK

Makes me wonder whether they should be conditional on TARGET_S390X.

What happens when you specify them for another target?  Silently
ignored, or error?




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