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From: Juri Lelli <juri.lelli@arm.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	peterz@infradead.org, vincent.guittot@linaro.org,
	robh+dt@kernel.org, mark.rutland@arm.com, sudeep.holla@arm.com,
	lorenzo.pieralisi@arm.com, catalin.marinas@arm.com,
	will.deacon@arm.com, morten.rasmussen@arm.com,
	dietmar.eggemann@arm.com
Subject: Re: [RFC PATCH 0/8] CPUs capacity information for heterogeneous systems
Date: Mon, 7 Dec 2015 12:36:54 +0000	[thread overview]
Message-ID: <20151207123654.GG14571@e106622-lin> (raw)
In-Reply-To: <20151207121135.GN8644@n2100.arm.linux.org.uk>

On 07/12/15 12:11, Russell King - ARM Linux wrote:
> On Mon, Dec 07, 2015 at 12:02:44PM +0000, Juri Lelli wrote:
> > On 23/11/15 14:28, Juri Lelli wrote:
> > > Hi all,
> > > 
> > 
> > Hi again everybody,
> > 
> > thanks a lot to Rob and Vincent for feedback, but, IMHO, we'd need more
> > discussion happening on this series to figure out how we move forward;
> > so, this is a ping :-).  It's a simple information that we need to figure
> > out how to provide, and in which form, but it has the potential to form
> > a standardized basis for achieving important performance benefits.
> 
> I'm happy to take the first patch, it looks like a simple clean up.
> Please arrange for it to land in my patch system.  Thanks.
> 

OK, will do. Thanks!

> It looks like the second patch doesn't yet have the backing from the DT
> people, which prevents the remainder of the patch set progressing.  That's
> the sticking point which needs to be resolved.
> 

Agreed. That is exactly the point for which I was seeking more feedback.
OTOH, 7/8 and 8/8 may potentially work without the DT bindings, as they
simply expose a sysfs attribute. If you, and others, see value in them,
I can easily put them at the top of the series and post a v2. Thoughts?

Best,

- Juri

  reply	other threads:[~2015-12-07 12:36 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-23 14:28 [RFC PATCH 0/8] CPUs capacity information for heterogeneous systems Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 1/8] ARM: initialize cpu_scale to its default Juri Lelli
2015-11-30 11:13   ` Vincent Guittot
2015-11-23 14:28 ` [RFC PATCH 2/8] Documentation: arm: define DT cpu capacity bindings Juri Lelli
2015-11-24  2:06   ` Rob Herring
2015-11-24 10:54     ` Juri Lelli
2015-11-30  9:59       ` Vincent Guittot
2015-12-01 11:20         ` Juri Lelli
2015-12-10 14:14           ` Dietmar Eggemann
2015-12-11 10:09             ` Juri Lelli
2015-12-10 15:30     ` Mark Brown
2015-12-10 17:58       ` Juri Lelli
2015-12-11 17:49         ` Mark Brown
     [not found]           ` <20151211174940.GQ5727-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-12-14 12:36             ` Juri Lelli
2015-12-14 16:59               ` Mark Brown
2015-12-15 12:22                 ` Juri Lelli
2015-12-15 13:39                   ` Mark Brown
2015-12-15 14:01                     ` Mark Rutland
2015-12-15 14:24                       ` Juri Lelli
2015-12-15 14:50                         ` Mark Rutland
2015-12-15 15:36                           ` Juri Lelli
2015-12-15 15:08                       ` Mark Brown
     [not found]                         ` <20151215150813.GZ5727-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-12-15 15:32                           ` Mark Rutland
2015-12-15 15:46                             ` Juri Lelli
2015-12-15 15:57                               ` Mark Rutland
2015-12-15 16:23                                 ` Catalin Marinas
2015-12-15 16:41                                   ` Mark Rutland
2015-12-15 16:59                                     ` Vincent Guittot
     [not found]                                       ` <CAKfTPtAuosPcL8bbQ27Y-vUE1h4QRY8hGESnm4YrxqRAQ3K=5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-15 17:15                                         ` Mark Rutland
2015-12-15 17:47                                           ` Vincent Guittot
     [not found]                                             ` <CAKfTPtBzWcNHx+Fi7hUabNpPsd1thFAkPnLcpsnqbQp6Qq24cQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-15 18:39                                               ` Mark Rutland
2015-12-15 17:17                             ` Mark Brown
     [not found]                               ` <20151215171713.GA5727-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-12-15 17:28                                 ` Mark Rutland
2015-12-15 17:45                                   ` Mark Brown
2015-12-15 18:10                                     ` Mark Rutland
2015-12-15 18:45                                       ` Mark Brown
2015-12-17  9:07                                     ` Juri Lelli
2015-12-15 13:55                   ` Vincent Guittot
2015-11-23 14:28 ` [RFC PATCH 3/8] arm: parse cpu capacity from DT Juri Lelli
2015-12-10 14:14   ` Dietmar Eggemann
     [not found]     ` <566988DD.9080005-5wv7dgnIgG8@public.gmane.org>
2015-12-11 10:12       ` Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 4/8] arm, dts: add TC2 cpu capacity information Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 5/8] arm64: parse cpu capacity from DT Juri Lelli
2015-12-10 14:15   ` Dietmar Eggemann
2015-12-11 10:07     ` Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 6/8] arm64, dts: add Juno cpu capacity information Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 7/8] arm: add sysfs cpu_capacity attribute Juri Lelli
2015-11-23 14:28 ` [RFC PATCH 8/8] arm64: " Juri Lelli
2015-12-10 14:15   ` Dietmar Eggemann
2015-12-10 15:59     ` Mark Brown
2015-12-10 18:01       ` Juri Lelli
2015-12-11 17:54         ` Mark Brown
2015-12-07 12:02 ` [RFC PATCH 0/8] CPUs capacity information for heterogeneous systems Juri Lelli
2015-12-07 12:11   ` Russell King - ARM Linux
2015-12-07 12:36     ` Juri Lelli [this message]
2015-12-07 13:18       ` Russell King - ARM Linux
     [not found]         ` <20151207131843.GP8644-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-12-07 15:41           ` Juri Lelli

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