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

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Message-ID: <alpine.DEB.2.20.1803262351340.261728@chino.kir.corp.google.com>
Date:   Mon, 26 Mar 2018 23:52:38 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Ingo Molnar <mingo@...nel.org>
cc:     Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        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

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