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>
next prev parent reply other threads:[~2018-12-12 2:18 UTC|newest]
Thread overview: 25+ 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 ` [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries Atish Patra
2018-12-03 16:46 ` Sudeep Holla
2018-12-12 2:18 ` Rob Herring [this message]
2018-11-29 23:28 ` [RFT PATCH v1 2/4] dt-binding: cpu-topology: Move cpu-map to a common binding Atish Patra
2018-12-03 16:55 ` Sudeep Holla
2018-12-03 17:23 ` Atish Patra
2018-12-03 17:33 ` Sudeep Holla
2018-12-03 17:40 ` Atish Patra
2018-12-12 2:21 ` Rob Herring
2018-12-12 2:31 ` Rob Herring
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
2018-12-03 16:58 ` Will Deacon
2018-12-03 17:12 ` Sudeep Holla
2018-12-04 9:50 ` Juri Lelli
2018-12-03 17:16 ` Sudeep Holla
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
2018-12-03 16:59 ` Sudeep Holla
2018-12-05 17:53 ` [RFT PATCH v1 0/4] Unify CPU topology across ARM64 & RISC-V Jeffrey Hugo
2018-12-11 0:26 ` Atish Patra
2018-12-07 13:45 ` Morten Rasmussen
2018-12-07 15:04 ` Sudeep Holla
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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).