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From: Thomas Gleixner <tglx@linutronix.de>
To: Len Brown <lenb@kernel.org>
Cc: Dave Hansen <dave.hansen@intel.com>, X86 ML <x86@kernel.org>,
	linux-kernel@vger.kernel.org, Len Brown <len.brown@intel.com>,
	linux-doc@vger.kernel.org
Subject: Re: [PATCH 04/14] x86 topology: Add CPUID.1F multi-die/package support
Date: Fri, 5 Apr 2019 20:16:04 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.1904052015330.1802@nanos.tec.linutronix.de> (raw)
In-Reply-To: <CAJvTdKn_-DSW557o4k12381eOVX9o57x6k+ohXV76RNN0rEXXg@mail.gmail.com>

On Thu, 28 Feb 2019, Len Brown wrote:
> On Tue, Feb 26, 2019 at 2:46 PM Dave Hansen <dave.hansen@intel.com> wrote:
> > I wonder if we'll end up with different (better) infrastructure if we do
> > these all at once instead of hacking them in one at a time.
> 
> Assuming that "hacking in" is a derogatory term, let me make the case
> that this patch series cleanly sets the stage for the future.
> 
> old:
> 
> thread_siblings:  the threads that are in the same core
> core_siblings: the threads that are in the same package
> 
> This naming scheme assumed that there would never be a topology level
> between a core and a package.  Though we leave "core_siblings" intact
> for legacy SW that depends on it, we mark it depreciated.
> 
> new:
> 
> core_threads: the threads in the same core
> die_threads: the threads in the same die
> package_threads: the threads in the same package
> 
> So in the future we could always add...
> 
> dave_threads: the threads in the same dave
> 
> So I think we are ready for whatever the future may throw at us,
> while remaining compatible, consistent, and no "hacking in" required.

Makes sense.

      tglx

  reply	other threads:[~2019-04-05 18:16 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-26  6:19 [PATCH 0/14] v2 multi-die/package topology support Len Brown
2019-02-26  6:19 ` [PATCH 01/14] x86 topology: Fix doc typo Len Brown
2019-02-26  6:20   ` [PATCH 02/14] topolgy: Simplify cputopology.txt formatting and wording Len Brown
2019-02-26  6:20   ` [PATCH 03/14] x86 smpboot: Rename match_die() to match_pkg() Len Brown
2019-02-26  6:20   ` [PATCH 04/14] x86 topology: Add CPUID.1F multi-die/package support Len Brown
2019-02-26 19:46     ` Dave Hansen
2019-02-28 15:43       ` Len Brown
2019-04-05 18:16         ` Thomas Gleixner [this message]
2019-02-26  6:20   ` [PATCH 05/14] cpu topology: Export die_id Len Brown
2019-03-07 14:45     ` Morten Rasmussen
2019-03-26 18:18       ` Len Brown
2019-02-26  6:20   ` [PATCH 06/14] x86 topology: Define topology_logical_die_id() Len Brown
2019-02-26  6:20   ` [PATCH 07/14] powercap/intel_rapl: Simplify rapl_find_package() Len Brown
2019-02-26 19:06     ` Peter Zijlstra
2019-03-26 18:27       ` Len Brown
2019-02-26  6:20   ` [PATCH 08/14] powercap/intel_rapl: Support multi-die/package Len Brown
2019-04-05 18:27     ` Thomas Gleixner
2019-04-08  1:35       ` Zhang Rui
2019-02-26  6:20   ` [PATCH 09/14] thermal/x86_pkg_temp_thermal: " Len Brown
2019-04-05 18:29     ` Thomas Gleixner
2019-04-05 18:39       ` Brown, Len
2019-04-05 18:50         ` Thomas Gleixner
2019-02-26  6:20   ` [PATCH 10/14] powercap/intel_rapl: update rapl domain name and debug messages Len Brown
2019-02-26  6:20   ` [PATCH 11/14] hwmon/coretemp: Support multi-die/package Len Brown
2019-02-26  6:20   ` [PATCH 12/14] topology: Create package_threads sysfs attribute Len Brown
2019-02-26  6:20   ` [PATCH 13/14] topology: Create core_threads " Len Brown
2019-02-26  6:20   ` [PATCH 14/14] topology: Create die_threads " Len Brown
2019-02-26 18:51 ` [PATCH 0/14] v2 multi-die/package topology support Peter Zijlstra
2019-04-12 19:32   ` Len Brown
2019-02-26 18:53 ` Peter Zijlstra
2019-03-07 14:59   ` Morten Rasmussen
2019-04-05 18:33     ` Thomas Gleixner
2019-04-12 19:52       ` Len Brown
2019-04-12 20:40         ` Brice Goglin
2019-02-26 19:05 ` Peter Zijlstra
2019-04-30  6:50   ` Len Brown
2019-04-30  9:33     ` Borislav Petkov
2019-04-30 18:46       ` Len Brown
2019-04-05 18:33 ` Thomas Gleixner
2019-04-30 20:55 [PATCH 01/14] x86 topology: Fix doc typo Len Brown
2019-04-30 20:55 ` [PATCH 04/14] x86 topology: Add CPUID.1F multi-die/package support Len Brown

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