All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rob Herring <robh@kernel.org>
To: Atish Patra <atish.patra@wdc.com>
Cc: linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Anup Patel <anup@brainfault.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Atish Patra <atish.patra@wdc.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	devicetree@vger.kernel.org,
	Dmitriy Cherkasov <dmitriy@oss-tech.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ingo Molnar <mingo@kernel.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Juri Lelli <juri.lelli@arm.com>,
	"moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
	<linux-arm-kernel@lists.infradead.org>,
	linux-riscv@lists.infradead.org,
	Mark Rutland <mark.rutland@arm.com>,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Palmer Dabbelt <palmer@sifive.com>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Will Deacon <will.deacon@arm.com>
Subject: Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries
Date: Tue, 11 Dec 2018 20:18:04 -0600	[thread overview]
Message-ID: <20181212021804.GA13998@bogus> (raw)
In-Reply-To: <1543534100-3654-2-git-send-email-atish.patra@wdc.com>

On Thu, 29 Nov 2018 15:28:17 -0800, Atish Patra wrote:
> From: Sudeep Holla <sudeep.holla@arm.com>
> 
> The current ARM DT topology description provides the operating system
> with a topological view of the system that is based on leaf nodes
> representing either cores or threads (in an SMT system) and a
> hierarchical set of cluster nodes that creates a hierarchical topology
> view of how those cores and threads are grouped.
> 
> However this hierarchical representation of clusters does not allow to
> describe what topology level actually represents the physical package or
> the socket boundary, which is a key piece of information to be used by
> an operating system to optimize resource allocation and scheduling.
> 
> Lets add a new "socket" node type in the cpu-map node to describe the
> same.
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/topology.txt | 52 ++++++++++++++++------
>  1 file changed, 39 insertions(+), 13 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
Cc: linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Anup Patel <anup@brainfault.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Atish Patra <atish.patra@wdc.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	devicetree@vger.kernel.org,
	Dmitriy Cherkasov <dmitriy@oss-tech.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ingo Molnar <mingo@kernel.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Juri Lelli <juri.lelli@arm.com>,
	"moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)"
	<linux-arm-kernel@lists.infradead.org>,
	linux-riscv@lists.infradead.org,
	Mark Rutland <mark.rutland@arm.com>,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Palmer Dabbelt <palmer@sifive.com>, "Peter Zijlstra (Intel)" <pe>
Subject: Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries
Date: Tue, 11 Dec 2018 20:18:04 -0600	[thread overview]
Message-ID: <20181212021804.GA13998@bogus> (raw)
In-Reply-To: <1543534100-3654-2-git-send-email-atish.patra@wdc.com>

On Thu, 29 Nov 2018 15:28:17 -0800, Atish Patra wrote:
> From: Sudeep Holla <sudeep.holla@arm.com>
> 
> The current ARM DT topology description provides the operating system
> with a topological view of the system that is based on leaf nodes
> representing either cores or threads (in an SMT system) and a
> hierarchical set of cluster nodes that creates a hierarchical topology
> view of how those cores and threads are grouped.
> 
> However this hierarchical representation of clusters does not allow to
> describe what topology level actually represents the physical package or
> the socket boundary, which is a key piece of information to be used by
> an operating system to optimize resource allocation and scheduling.
> 
> Lets add a new "socket" node type in the cpu-map node to describe the
> same.
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/topology.txt | 52 ++++++++++++++++------
>  1 file changed, 39 insertions(+), 13 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Atish Patra <atish.patra@wdc.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Peter Zijlstra \(Intel\)" <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Palmer Dabbelt <palmer@sifive.com>,
	Will Deacon <will.deacon@arm.com>,
	Atish Patra <atish.patra@wdc.com>,
	linux-riscv@lists.infradead.org,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Juri Lelli <juri.lelli@arm.com>,
	Dmitriy Cherkasov <dmitriy@oss-tech.org>,
	Anup Patel <anup@brainfault.org>, Ingo Molnar <mingo@kernel.org>,
	devicetree@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
	Thomas Gleixner <tglx@linutronix.de>,
	"moderated list:ARM64 PORT \(AARCH64 ARCHITECTURE\)"
	<linux-arm-kernel@lists.infradead.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org,
	Jeremy Linton <jeremy.linton@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries
Date: Tue, 11 Dec 2018 20:18:04 -0600	[thread overview]
Message-ID: <20181212021804.GA13998@bogus> (raw)
In-Reply-To: <1543534100-3654-2-git-send-email-atish.patra@wdc.com>

On Thu, 29 Nov 2018 15:28:17 -0800, Atish Patra wrote:
> From: Sudeep Holla <sudeep.holla@arm.com>
> 
> The current ARM DT topology description provides the operating system
> with a topological view of the system that is based on leaf nodes
> representing either cores or threads (in an SMT system) and a
> hierarchical set of cluster nodes that creates a hierarchical topology
> view of how those cores and threads are grouped.
> 
> However this hierarchical representation of clusters does not allow to
> describe what topology level actually represents the physical package or
> the socket boundary, which is a key piece of information to be used by
> an operating system to optimize resource allocation and scheduling.
> 
> Lets add a new "socket" node type in the cpu-map node to describe the
> same.
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/topology.txt | 52 ++++++++++++++++------
>  1 file changed, 39 insertions(+), 13 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Atish Patra <atish.patra@wdc.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Peter Zijlstra \(Intel\)" <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Palmer Dabbelt <palmer@sifive.com>,
	Will Deacon <will.deacon@arm.com>,
	Atish Patra <atish.patra@wdc.com>,
	linux-riscv@lists.infradead.org,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Juri Lelli <juri.lelli@arm.com>,
	Dmitriy Cherkasov <dmitriy@oss-tech.org>,
	Anup Patel <anup@brainfault.org>, Ingo Molnar <mingo@kernel.org>,
	devicetree@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
	Thomas Gleixner <tglx@linutronix.de>,
	"moderated list:ARM64 PORT \(AARCH64 ARCHITECTURE\)"
	<linux-arm-kernel@lists.infradead.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org,
	Jeremy Linton <jeremy.linton@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries
Date: Tue, 11 Dec 2018 20:18:04 -0600	[thread overview]
Message-ID: <20181212021804.GA13998@bogus> (raw)
In-Reply-To: <1543534100-3654-2-git-send-email-atish.patra@wdc.com>

On Thu, 29 Nov 2018 15:28:17 -0800, Atish Patra wrote:
> From: Sudeep Holla <sudeep.holla@arm.com>
> 
> The current ARM DT topology description provides the operating system
> with a topological view of the system that is based on leaf nodes
> representing either cores or threads (in an SMT system) and a
> hierarchical set of cluster nodes that creates a hierarchical topology
> view of how those cores and threads are grouped.
> 
> However this hierarchical representation of clusters does not allow to
> describe what topology level actually represents the physical package or
> the socket boundary, which is a key piece of information to be used by
> an operating system to optimize resource allocation and scheduling.
> 
> Lets add a new "socket" node type in the cpu-map node to describe the
> same.
> 
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/topology.txt | 52 ++++++++++++++++------
>  1 file changed, 39 insertions(+), 13 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2018-12-12  2:18 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-29 23:28 [RFT PATCH v1 0/4] Unify CPU topology across ARM64 & RISC-V Atish Patra
2018-11-29 23:28 ` Atish Patra
2018-11-29 23:28 ` Atish Patra
2018-11-29 23:28 ` Atish Patra
2018-11-29 23:28 ` [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-12-03 16:46   ` Sudeep Holla
2018-12-03 16:46     ` Sudeep Holla
2018-12-03 16:46     ` Sudeep Holla
2018-12-03 16:46     ` Sudeep Holla
2018-12-12  2:18   ` Rob Herring [this message]
2018-12-12  2:18     ` Rob Herring
2018-12-12  2:18     ` Rob Herring
2018-12-12  2:18     ` Rob Herring
2018-11-29 23:28 ` [RFT PATCH v1 2/4] dt-binding: cpu-topology: Move cpu-map to a common binding Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-12-03 16:55   ` Sudeep Holla
2018-12-03 16:55     ` Sudeep Holla
2018-12-03 16:55     ` Sudeep Holla
2018-12-03 16:55     ` Sudeep Holla
2018-12-03 17:23     ` Atish Patra
2018-12-03 17:23       ` Atish Patra
2018-12-03 17:23       ` Atish Patra
2018-12-03 17:23       ` Atish Patra
2018-12-03 17:33       ` Sudeep Holla
2018-12-03 17:33         ` Sudeep Holla
2018-12-03 17:33         ` Sudeep Holla
2018-12-03 17:33         ` Sudeep Holla
2018-12-03 17:40         ` Atish Patra
2018-12-03 17:40           ` Atish Patra
2018-12-03 17:40           ` Atish Patra
2018-12-03 17:40           ` Atish Patra
2018-12-12  2:21       ` Rob Herring
2018-12-12  2:21         ` Rob Herring
2018-12-12  2:21         ` Rob Herring
2018-12-12  2:21         ` Rob Herring
2018-12-12  2:31   ` Rob Herring
2018-12-12  2:31     ` Rob Herring
2018-12-12  2:31     ` Rob Herring
2018-12-12  2:31     ` Rob Herring
2018-12-12 18:23     ` Atish Patra
2018-12-12 18:23       ` Atish Patra
2018-12-12 18:23       ` Atish Patra
2018-12-12 18:23       ` Atish Patra
2018-11-29 23:28 ` [RFT PATCH v1 3/4] cpu-topology: Move cpu topology code to common code Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-12-03 16:58   ` Will Deacon
2018-12-03 16:58     ` Will Deacon
2018-12-03 16:58     ` Will Deacon
2018-12-03 16:58     ` Will Deacon
2018-12-03 17:12     ` Sudeep Holla
2018-12-03 17:12       ` Sudeep Holla
2018-12-03 17:12       ` Sudeep Holla
2018-12-03 17:12       ` Sudeep Holla
2018-12-04  9:50       ` Juri Lelli
2018-12-04  9:50         ` Juri Lelli
2018-12-04  9:50         ` Juri Lelli
2018-12-04  9:50         ` Juri Lelli
2018-12-03 17:16   ` Sudeep Holla
2018-12-03 17:16     ` Sudeep Holla
2018-12-03 17:16     ` Sudeep Holla
2018-12-03 17:16     ` Sudeep Holla
2018-12-03 17:31     ` Atish Patra
2018-12-03 17:31       ` Atish Patra
2018-12-03 17:31       ` Atish Patra
2018-12-03 17:31       ` Atish Patra
2018-11-29 23:28 ` [RFT PATCH v1 4/4] RISC-V: Parse cpu topology during boot Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-11-29 23:28   ` Atish Patra
2018-12-03 16:59   ` Sudeep Holla
2018-12-03 16:59     ` Sudeep Holla
2018-12-03 16:59     ` Sudeep Holla
2018-12-03 16:59     ` Sudeep Holla
2018-12-05 17:53 ` [RFT PATCH v1 0/4] Unify CPU topology across ARM64 & RISC-V Jeffrey Hugo
2018-12-05 17:53   ` Jeffrey Hugo
2018-12-05 17:53   ` Jeffrey Hugo
2018-12-05 17:53   ` Jeffrey Hugo
2018-12-11  0:26   ` Atish Patra
2018-12-11  0:26     ` Atish Patra
2018-12-11  0:26     ` Atish Patra
2018-12-11  0:26     ` Atish Patra
2018-12-07 13:45 ` Morten Rasmussen
2018-12-07 13:45   ` Morten Rasmussen
2018-12-07 13:45   ` Morten Rasmussen
2018-12-07 13:45   ` Morten Rasmussen
2018-12-07 15:04   ` Sudeep Holla
2018-12-07 15:04     ` Sudeep Holla
2018-12-07 15:04     ` Sudeep Holla
2018-12-07 15:04     ` Sudeep Holla
2018-12-11  0:11   ` Atish Patra
2018-12-11  0:11     ` Atish Patra
2018-12-11  0:11     ` Atish Patra
2018-12-11  0:11     ` Atish Patra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181212021804.GA13998@bogus \
    --to=robh@kernel.org \
    --cc=anup@brainfault.org \
    --cc=aou@eecs.berkeley.edu \
    --cc=ard.biesheuvel@linaro.org \
    --cc=atish.patra@wdc.com \
    --cc=catalin.marinas@arm.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitriy@oss-tech.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=jeremy.linton@arm.com \
    --cc=juri.lelli@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@kernel.org \
    --cc=morten.rasmussen@arm.com \
    --cc=palmer@sifive.com \
    --cc=peterz@infradead.org \
    --cc=rafael@kernel.org \
    --cc=sudeep.holla@arm.com \
    --cc=tglx@linutronix.de \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.