From: Juri Lelli <juri.lelli@arm.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
LAK <linux-arm-kernel@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Sudeep Holla <sudeep.holla@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Mark Brown <broonie@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Olof Johansson <olof@lixom.net>,
Gregory CLEMENT <gregory.clement@free-electrons.com>,
Paul Walmsley <paul@pwsan.com>,
Linus Walleij <linus.walleij@linaro.org>,
Chen-Yu Tsai <wens@csie.org>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Subject: Re: [PATCH v6 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings
Date: Tue, 30 Aug 2016 17:11:58 +0100 [thread overview]
Message-ID: <20160830161158.GE9337@e106622-lin> (raw)
In-Reply-To: <CAKfTPtC_tzc8xJkL1QUgn35dZ53g3-+V=qX7aefG89AGKJkQOw@mail.gmail.com>
On 16/08/16 11:02, Vincent Guittot wrote:
> On 19 July 2016 at 14:40, Juri Lelli <juri.lelli@arm.com> wrote:
> > ARM systems may be configured to have cpus with different power/performance
> > characteristics within the same chip. In this case, additional information
> > has to be made available to the kernel (the scheduler in particular) for it
> > to be aware of such differences and take decisions accordingly.
> >
> > Therefore, this patch aims at standardizing cpu capacities device tree
> > bindings for ARM platforms. Bindings define cpu capacity-dmips-mhz
> > parameter, to allow operating systems to retrieve such information from
> > the device tree and initialize related kernel structures, paving the way
> > for common code in the kernel to deal with heterogeneity.
> >
[...]
>
> FWIW, Acked-by Vincent Guittot <vincent.guittot@linaro.org>
>
Thanks!
Best,
- Juri
next prev parent reply other threads:[~2016-08-30 16:11 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-19 12:40 [PATCH v6 0/8] CPUs capacity information for heterogeneous systems Juri Lelli
2016-07-19 12:40 ` [PATCH v6 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings Juri Lelli
2016-07-20 18:56 ` Rob Herring
2016-07-21 11:43 ` Juri Lelli
2016-08-16 9:02 ` Vincent Guittot
2016-08-30 16:11 ` Juri Lelli [this message]
2016-07-19 12:40 ` [PATCH v6 2/8] arm: parse cpu capacity-dmips-mhz from DT Juri Lelli
2016-08-16 8:20 ` Vincent Guittot
2016-08-30 16:28 ` Juri Lelli
2016-08-31 8:14 ` Vincent Guittot
2016-08-31 17:08 ` Juri Lelli
2016-09-01 8:22 ` Vincent Guittot
2016-09-01 8:50 ` Juri Lelli
2016-07-19 12:40 ` [PATCH v6 3/8] arm, dts: add TC2 cpu capacity-dmips-mhz information Juri Lelli
2016-08-10 15:33 ` Sudeep Holla
2016-08-10 15:43 ` Juri Lelli
2016-08-10 15:52 ` Sudeep Holla
2016-08-10 16:06 ` Juri Lelli
2016-07-19 12:40 ` [PATCH v6 4/8] arm64: parse cpu capacity-dmips-mhz from DT Juri Lelli
2016-08-09 9:42 ` Juri Lelli
2016-07-19 12:40 ` [PATCH v6 5/8] arm64, dts: add Juno cpu capacity-dmips-mhz information Juri Lelli
2016-08-10 15:38 ` Sudeep Holla
2016-07-19 12:40 ` [PATCH v6 6/8] arm64, dts: add Juno r2 " Juri Lelli
2016-08-10 15:41 ` Sudeep Holla
2016-07-19 12:40 ` [PATCH v6 7/8] arm: add sysfs cpu_capacity attribute Juri Lelli
2016-07-19 12:40 ` [PATCH v6 8/8] arm64: " Juri Lelli
2016-08-08 16:49 ` [PATCH v6 0/8] CPUs capacity information for heterogeneous systems Peter Zijlstra
2016-08-09 10:08 ` Juri Lelli
2016-08-10 10:53 ` Juri Lelli
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