From: Ulf Hansson <ulf.hansson@linaro.org>
To: Sudeep Holla <sudeep.holla@arm.com>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Mark Rutland <mark.rutland@arm.com>
Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"Raju P . L . S . S . S . N" <rplsssn@codeaurora.org>,
Amit Kucheria <amit.kucheria@linaro.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Niklas Cassel <niklas.cassel@linaro.org>,
Tony Lindgren <tony@atomide.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Kevin Hilman <khilman@kernel.org>,
Lina Iyer <ilina@codeaurora.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Souvik Chakravarty <souvik.chakravarty@arm.com>,
Linux PM <linux-pm@vger.kernel.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/18] ARM/ARM64: Support hierarchical CPU arrangement for PSCI
Date: Fri, 7 Jun 2019 13:19:22 +0200 [thread overview]
Message-ID: <CAPDyKFo6Hkw=6iAq8fCEKARXeOiFp9C8FrJ4D_r0PoDFASSDRg@mail.gmail.com> (raw)
In-Reply-To: <20190513192300.653-1-ulf.hansson@linaro.org>
Sudeep, Lorenzo, Mark,
On Mon, 13 May 2019 at 21:23, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>
> This series enables support for hierarchical CPU arrangement, managed by PSCI
> for ARM/ARM64. It's based on using the generic PM domain (genpd), which
> recently was extended to manage devices belonging to CPUs.
>
> The last two DTS patches enables the hierarchical topology to be used for the
> Qcom 410c Dragonboard and the Hisilicon Hikey board. The former uses PSCI OS-
> initiated mode, while the latter uses the PSCI Platform-Coordinated mode. In
> other words, the hierarchical description of the topology in DT, is orthogonal
> to the supported PSCI CPU suspend mode.
>
> Do note, these patches have been posted earlier, but then being part of bigger
> series, which at that point also included the needed infrastructure changes to
> genpd and cpuidle. Rather than continue to carry the old version history,
> which may be a bit confusing, I decided to start over. Although, for clarity,
> the changelog below explains what changes that have been made since the last
> submission was made.
Is there anything I can do to help the review to get going here?
FYI, I hosted a talk about "cluster idle" at OSPM in Pisa a few weeks
ago. There is a couple of slides [1] with flowcharts of how it works,
that may be of interest for you.
Kind regards
Uffe
[...]
[1]
http://retis.sssup.it/ospm-summit/Downloads/01_02-ClusterIdle_UlfHansson.pdf
WARNING: multiple messages have this Message-ID (diff)
From: Ulf Hansson <ulf.hansson@linaro.org>
To: Sudeep Holla <sudeep.holla@arm.com>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Mark Rutland <mark.rutland@arm.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>,
Kevin Hilman <khilman@kernel.org>,
Stephen Boyd <sboyd@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Linux PM <linux-pm@vger.kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Amit Kucheria <amit.kucheria@linaro.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Tony Lindgren <tony@atomide.com>,
Lina Iyer <ilina@codeaurora.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Niklas Cassel <niklas.cassel@linaro.org>,
Souvik Chakravarty <souvik.chakravarty@arm.com>,
"Raju P . L . S . S . S . N" <rplsssn@codeaurora.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 00/18] ARM/ARM64: Support hierarchical CPU arrangement for PSCI
Date: Fri, 7 Jun 2019 13:19:22 +0200 [thread overview]
Message-ID: <CAPDyKFo6Hkw=6iAq8fCEKARXeOiFp9C8FrJ4D_r0PoDFASSDRg@mail.gmail.com> (raw)
In-Reply-To: <20190513192300.653-1-ulf.hansson@linaro.org>
Sudeep, Lorenzo, Mark,
On Mon, 13 May 2019 at 21:23, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>
> This series enables support for hierarchical CPU arrangement, managed by PSCI
> for ARM/ARM64. It's based on using the generic PM domain (genpd), which
> recently was extended to manage devices belonging to CPUs.
>
> The last two DTS patches enables the hierarchical topology to be used for the
> Qcom 410c Dragonboard and the Hisilicon Hikey board. The former uses PSCI OS-
> initiated mode, while the latter uses the PSCI Platform-Coordinated mode. In
> other words, the hierarchical description of the topology in DT, is orthogonal
> to the supported PSCI CPU suspend mode.
>
> Do note, these patches have been posted earlier, but then being part of bigger
> series, which at that point also included the needed infrastructure changes to
> genpd and cpuidle. Rather than continue to carry the old version history,
> which may be a bit confusing, I decided to start over. Although, for clarity,
> the changelog below explains what changes that have been made since the last
> submission was made.
Is there anything I can do to help the review to get going here?
FYI, I hosted a talk about "cluster idle" at OSPM in Pisa a few weeks
ago. There is a couple of slides [1] with flowcharts of how it works,
that may be of interest for you.
Kind regards
Uffe
[...]
[1]
http://retis.sssup.it/ospm-summit/Downloads/01_02-ClusterIdle_UlfHansson.pdf
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next prev parent reply other threads:[~2019-06-07 11:20 UTC|newest]
Thread overview: 155+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-13 19:22 [PATCH 00/18] ARM/ARM64: Support hierarchical CPU arrangement for PSCI Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 01/18] dt: psci: Update DT bindings to support hierarchical PSCI states Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-07-19 11:29 ` Lorenzo Pieralisi
2019-07-19 11:29 ` Lorenzo Pieralisi
2019-05-13 19:22 ` [PATCH 02/18] of: base: Add of_get_cpu_state_node() to get idle states for a CPU node Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 03/18] cpuidle: dt: Support hierarchical CPU idle states Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 04/18] ARM/ARM64: cpuidle: Let back-end init ops take the driver as input Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:00 ` Sudeep Holla
2019-06-07 15:00 ` Sudeep Holla
2019-06-10 10:20 ` Ulf Hansson
2019-06-10 10:20 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 05/18] drivers: firmware: psci: Simplify state node parsing Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:01 ` Sudeep Holla
2019-06-07 15:01 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 06/18] drivers: firmware: psci: Support hierarchical CPU idle states Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:03 ` Sudeep Holla
2019-06-07 15:03 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 07/18] drivers: firmware: psci: Prepare to use OS initiated suspend mode Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:17 ` Sudeep Holla
2019-06-07 15:17 ` Sudeep Holla
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 10:42 ` Sudeep Holla
2019-06-10 10:42 ` Sudeep Holla
2019-07-16 14:53 ` Sudeep Holla
2019-07-16 14:53 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 08/18] drivers: firmware: psci: Prepare to support PM domains Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:21 ` Sudeep Holla
2019-06-07 15:21 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 09/18] drivers: firmware: psci: Add support for PM domains using genpd Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:27 ` Sudeep Holla
2019-06-07 15:27 ` Sudeep Holla
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 10:59 ` Sudeep Holla
2019-06-10 10:59 ` Sudeep Holla
2019-07-16 15:05 ` Sudeep Holla
2019-07-16 15:05 ` Sudeep Holla
2019-07-18 11:04 ` Ulf Hansson
2019-07-18 11:04 ` Ulf Hansson
2019-07-18 13:19 ` Sudeep Holla
2019-07-18 13:19 ` Sudeep Holla
2019-07-18 17:57 ` Lina Iyer
2019-07-18 17:57 ` Lina Iyer
2019-07-19 9:45 ` Sudeep Holla
2019-07-19 9:45 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 10/18] drivers: firmware: psci: Add hierarchical domain idle states converter Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-07-09 15:31 ` Lorenzo Pieralisi
2019-07-09 15:31 ` Lorenzo Pieralisi
2019-07-16 8:45 ` Ulf Hansson
2019-07-16 8:45 ` Ulf Hansson
2019-07-16 14:51 ` Lorenzo Pieralisi
2019-07-16 14:51 ` Lorenzo Pieralisi
2019-07-18 11:43 ` Ulf Hansson
2019-07-18 11:43 ` Ulf Hansson
2019-07-18 13:36 ` Lorenzo Pieralisi
2019-07-18 13:36 ` Lorenzo Pieralisi
2019-05-13 19:22 ` [PATCH 11/18] drivers: firmware: psci: Introduce psci_dt_topology_init() Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 12/18] drivers: firmware: psci: Add a helper to attach a CPU to its PM domain Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 13/18] drivers: firmware: psci: Attach the CPU's device " Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 14/18] drivers: firmware: psci: Manage runtime PM in the idle path for CPUs Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-07-16 15:53 ` Lorenzo Pieralisi
2019-07-16 15:53 ` Lorenzo Pieralisi
2019-07-18 10:35 ` Ulf Hansson
2019-07-18 10:35 ` Ulf Hansson
2019-07-18 13:30 ` Lorenzo Pieralisi
2019-07-18 13:30 ` Lorenzo Pieralisi
2019-07-18 16:54 ` Ulf Hansson
2019-07-18 16:54 ` Ulf Hansson
2019-07-18 17:41 ` Lina Iyer
2019-07-18 17:41 ` Lina Iyer
2019-07-18 21:49 ` Ulf Hansson
2019-07-18 21:49 ` Ulf Hansson
2019-07-19 10:02 ` Lorenzo Pieralisi
2019-07-19 10:02 ` Lorenzo Pieralisi
2019-05-13 19:22 ` [PATCH 15/18] drivers: firmware: psci: Support CPU hotplug for the hierarchical model Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-06-07 15:31 ` Sudeep Holla
2019-06-07 15:31 ` Sudeep Holla
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 10:21 ` Ulf Hansson
2019-06-10 11:02 ` Sudeep Holla
2019-06-10 11:02 ` Sudeep Holla
2019-05-13 19:22 ` [PATCH 16/18] arm64: kernel: Respect the hierarchical CPU topology in DT for PSCI Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` [PATCH 17/18] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-05-13 19:22 ` Ulf Hansson
2019-07-16 14:47 ` Sudeep Holla
2019-07-16 14:47 ` Sudeep Holla
2019-07-16 20:36 ` Lina Iyer
2019-07-16 20:36 ` Lina Iyer
2019-07-17 17:18 ` Sudeep Holla
2019-07-17 17:18 ` Sudeep Holla
2019-05-13 19:23 ` [PATCH 18/18] arm64: dts: hikey: Convert to the hierarchical CPU topology layout Ulf Hansson
2019-05-13 19:23 ` Ulf Hansson
2019-05-13 19:23 ` Ulf Hansson
2019-07-16 14:47 ` Sudeep Holla
2019-07-16 14:47 ` Sudeep Holla
2019-07-18 10:48 ` Ulf Hansson
2019-07-18 10:48 ` Ulf Hansson
2019-07-18 13:11 ` Sudeep Holla
2019-07-18 13:11 ` Sudeep Holla
2019-05-14 8:08 ` [PATCH 00/18] ARM/ARM64: Support hierarchical CPU arrangement for PSCI Rafael J. Wysocki
2019-05-14 8:08 ` Rafael J. Wysocki
2019-05-14 8:08 ` Rafael J. Wysocki
2019-05-14 8:58 ` Ulf Hansson
2019-05-14 8:58 ` Ulf Hansson
2019-05-14 8:58 ` Ulf Hansson
2019-06-07 15:42 ` Sudeep Holla
2019-06-07 15:42 ` Sudeep Holla
2019-06-07 19:34 ` Bjorn Andersson
2019-06-07 19:34 ` Bjorn Andersson
2019-06-10 10:32 ` Sudeep Holla
2019-06-10 10:32 ` Sudeep Holla
2019-06-10 15:54 ` Ulf Hansson
2019-06-10 15:54 ` Ulf Hansson
2019-06-10 17:16 ` Lorenzo Pieralisi
2019-06-10 17:16 ` Lorenzo Pieralisi
2019-06-10 18:57 ` Ulf Hansson
2019-06-10 18:57 ` Ulf Hansson
2019-06-18 11:56 ` Ulf Hansson
2019-06-18 11:56 ` Ulf Hansson
2019-06-07 11:19 ` Ulf Hansson [this message]
2019-06-07 11:19 ` Ulf Hansson
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