linux-kernel - Re: [PATCH 0/2] x86/CPU/AMD: Add support for Extended Topology Enumeration

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Message-ID: <f6a804d1-955b-2498-0ec1-c664c4ed843e@amd.com>
Date:   Tue, 27 Mar 2018 18:34:22 +0700
From:   Suravee Suthikulpanit <suravee.suthikulpanit@....com>
To:     David Rientjes <rientjes@...gle.com>,
        Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, hpa@...or.com, bp@...e.de
Subject: Re: [PATCH 0/2] x86/CPU/AMD: Add support for Extended Topology
 Enumeration

Hi All,

On 3/27/18 1:52 PM, David Rientjes wrote:
> On Tue, 27 Mar 2018, Ingo Molnar wrote:
> 
>>> Linux currently provides function detect_extended_topology()
>>> for parsing CPUID Fn0xB and derive CPU topology information.
>>> Therefore, also call this function in AMD code path.
>>>
>>> Thanks,
>>> Suravee
>>>
>>> Suravee Suthikulpanit (2):
>>>    x86/CPU: Modify detect_extended_topology() to return result
>>>    x86/CPU/AMD: Derive CPU topology from CPUID Fn0xB when available
>>>
>>>   arch/x86/include/asm/processor.h |  2 +-
>>>   arch/x86/kernel/cpu/amd.c        | 16 ++++++++++++----
>>>   arch/x86/kernel/cpu/topology.c   |  8 ++++----
>>>   3 files changed, 17 insertions(+), 9 deletions(-)
>>
>> Which tree is this again? The second patch does not apply to -linus or -tip.
>>
> 
> I was wondering the exact same thing today when this came across.  I found
> it's based on Suravee's other patch series posted today entitled "x86/CPU:
> Update AMD Last-Level-Cache Information".
> 
> https://marc.info/?l=linux-kernel&m=152204614503522
> 1522046116-22578-1-git-send-email-suravee.suthikulpanit@....com
> 

Sorry for failing to mention the dependency on the other series here
(https://lkml.org/lkml/2018/3/26/24).

Suravee