From: Kevin Hilman <khilman@ti.com>
To: Colin Cross <ccross@android.com>
Cc: Len Brown <len.brown@intel.com>,
Trinabh Gupta <g.trinabh@gmail.com>,
Deepthi Dharwar <deepthi@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org,
Amit Kucheria <amit.kucheria@linaro.org>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
linux-tegra@vger.kernel.org, linux-pm@lists.linux-foundation.org,
linux-omap@vger.kernel.org,
Arjan van de Ven <arjan@linux.intel.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/3] coupled cpuidle state support
Date: Tue, 03 Jan 2012 16:41:27 -0800 [thread overview]
Message-ID: <87sjjw70zs.fsf@ti.com> (raw)
In-Reply-To: <1324426147-16735-1-git-send-email-ccross@android.com> (Colin Cross's message of "Tue, 20 Dec 2011 16:09:04 -0800")
Colin Cross <ccross@android.com> writes:
> This patch series implements an alternative solution, where each
> cpu will wait in the WFI state until all cpus are ready to enter
> a coupled state, at which point the coupled state function will
> be called on all cpus at approximately the same time.
This looks great, and is certainly preferred to hotplug IMO.
[...]
> None of the platforms I work with have an SMP idle implementation
> upstream, so I can't easily show a patch that converts a platform
> from hotplug governor to coupled cpuidle states.
Basic OMAP4 CPUidle support is in now queued for v3.3 (see omap4
branch Tony's tree[1].)
Can you (or Santosh) send a patch that adds coupled support to that
driver so it can see some broader testing on OMAP4?
Thanks,
Kevin
[1] git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
WARNING: multiple messages have this Message-ID (diff)
From: khilman@ti.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] coupled cpuidle state support
Date: Tue, 03 Jan 2012 16:41:27 -0800 [thread overview]
Message-ID: <87sjjw70zs.fsf@ti.com> (raw)
In-Reply-To: <1324426147-16735-1-git-send-email-ccross@android.com> (Colin Cross's message of "Tue, 20 Dec 2011 16:09:04 -0800")
Colin Cross <ccross@android.com> writes:
> This patch series implements an alternative solution, where each
> cpu will wait in the WFI state until all cpus are ready to enter
> a coupled state, at which point the coupled state function will
> be called on all cpus at approximately the same time.
This looks great, and is certainly preferred to hotplug IMO.
[...]
> None of the platforms I work with have an SMP idle implementation
> upstream, so I can't easily show a patch that converts a platform
> from hotplug governor to coupled cpuidle states.
Basic OMAP4 CPUidle support is in now queued for v3.3 (see omap4
branch Tony's tree[1].)
Can you (or Santosh) send a patch that adds coupled support to that
driver so it can see some broader testing on OMAP4?
Thanks,
Kevin
[1] git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@ti.com>
To: Colin Cross <ccross@android.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-pm@lists.linux-foundation.org,
Len Brown <len.brown@intel.com>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Amit Kucheria <amit.kucheria@linaro.org>,
Arjan van de Ven <arjan@linux.intel.com>,
Trinabh Gupta <g.trinabh@gmail.com>,
Deepthi Dharwar <deepthi@linux.vnet.ibm.com>,
linux-omap@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH 0/3] coupled cpuidle state support
Date: Tue, 03 Jan 2012 16:41:27 -0800 [thread overview]
Message-ID: <87sjjw70zs.fsf@ti.com> (raw)
In-Reply-To: <1324426147-16735-1-git-send-email-ccross@android.com> (Colin Cross's message of "Tue, 20 Dec 2011 16:09:04 -0800")
Colin Cross <ccross@android.com> writes:
> This patch series implements an alternative solution, where each
> cpu will wait in the WFI state until all cpus are ready to enter
> a coupled state, at which point the coupled state function will
> be called on all cpus at approximately the same time.
This looks great, and is certainly preferred to hotplug IMO.
[...]
> None of the platforms I work with have an SMP idle implementation
> upstream, so I can't easily show a patch that converts a platform
> from hotplug governor to coupled cpuidle states.
Basic OMAP4 CPUidle support is in now queued for v3.3 (see omap4
branch Tony's tree[1].)
Can you (or Santosh) send a patch that adds coupled support to that
driver so it can see some broader testing on OMAP4?
Thanks,
Kevin
[1] git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
next prev parent reply other threads:[~2012-01-04 0:41 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 0:09 [PATCH 0/3] coupled cpuidle state support Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` [PATCH 1/3] cpuidle: refactor out cpuidle_enter_state Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` Colin Cross
2012-01-04 14:08 ` Jean Pihet
2012-01-04 14:08 ` [linux-pm] " Jean Pihet
2012-01-04 14:08 ` Jean Pihet
2011-12-21 0:09 ` [PATCH 2/3] cpuidle: fix error handling in __cpuidle_register_device Colin Cross
[not found] ` <1324426147-16735-1-git-send-email-ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` [PATCH 3/3] cpuidle: add support for states that affect multiple cpus Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 0:09 ` Colin Cross
2011-12-21 9:02 ` [PATCH 0/3] coupled cpuidle state support Arjan van de Ven
2011-12-21 9:02 ` Arjan van de Ven
[not found] ` <4EF1A0B4.5080307-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2011-12-21 9:40 ` Colin Cross
2011-12-21 9:40 ` Colin Cross
2011-12-21 9:40 ` Colin Cross
2011-12-21 9:44 ` Arjan van de Ven
2011-12-21 9:44 ` Arjan van de Ven
2011-12-21 9:44 ` Arjan van de Ven
2011-12-21 9:55 ` Colin Cross
[not found] ` <4EF1AA8A.8060304-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2011-12-21 9:55 ` Colin Cross
2011-12-21 9:55 ` Colin Cross
2011-12-21 9:55 ` Colin Cross
2011-12-21 12:12 ` Arjan van de Ven
2011-12-21 12:12 ` Arjan van de Ven
2011-12-21 12:12 ` Arjan van de Ven
2011-12-21 19:05 ` Colin Cross
2011-12-21 19:05 ` Colin Cross
2011-12-21 19:05 ` Colin Cross
[not found] ` <CAMbhsRRnKoR3YPWrZzVynVe+dcuU5v0siYvmp2vbBcS1hquC7Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-21 19:36 ` Arjan van de Ven
2011-12-21 19:36 ` Arjan van de Ven
2011-12-21 19:36 ` Arjan van de Ven
2011-12-21 19:42 ` Colin Cross
2011-12-21 19:42 ` [linux-pm] " Colin Cross
2011-12-21 19:42 ` Colin Cross
[not found] ` <CAMbhsRSPCo9MSGp57Fv0sRdYUFcdwx8jEz1-CfX8LdKf8X4MVg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-22 8:35 ` Shilimkar, Santosh
2011-12-22 8:35 ` Shilimkar, Santosh
2011-12-22 8:35 ` Shilimkar, Santosh
2011-12-22 8:53 ` Arjan van de Ven
2011-12-22 8:53 ` [linux-pm] " Arjan van de Ven
2011-12-22 8:53 ` Arjan van de Ven
2011-12-22 9:30 ` Shilimkar, Santosh
2011-12-22 9:30 ` Shilimkar, Santosh
2011-12-22 9:30 ` Shilimkar, Santosh
[not found] ` <4EF2F01E.8060307-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2011-12-22 21:20 ` [linux-pm] " Colin Cross
2011-12-22 21:20 ` Colin Cross
2011-12-22 21:20 ` Colin Cross
2011-12-22 21:20 ` Colin Cross
2011-12-22 8:35 ` Shilimkar, Santosh
2011-12-21 19:36 ` Arjan van de Ven
[not found] ` <4EF1CD49.9020800-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2012-03-14 0:39 ` Colin Cross
2012-03-14 0:39 ` Colin Cross
2012-03-14 0:39 ` Colin Cross
2011-12-21 9:40 ` Colin Cross
2011-12-21 9:02 ` Arjan van de Ven
2012-01-04 0:41 ` Kevin Hilman [this message]
2012-01-04 0:41 ` Kevin Hilman
2012-01-04 0:41 ` Kevin Hilman
2012-01-04 17:27 ` Shilimkar, Santosh
2012-01-04 17:27 ` Shilimkar, Santosh
2012-01-04 17:27 ` Shilimkar, Santosh
2012-01-20 8:46 ` Daniel Lezcano
2012-01-20 8:46 ` Daniel Lezcano
2012-01-20 8:46 ` Daniel Lezcano
2012-01-20 20:40 ` Colin Cross
2012-01-20 20:40 ` Colin Cross
2012-01-20 20:40 ` Colin Cross
2012-01-25 14:04 ` Daniel Lezcano
2012-01-25 14:04 ` Daniel Lezcano
2012-01-31 14:13 ` Daniel Lezcano
2012-01-31 14:13 ` Daniel Lezcano
[not found] ` <CAMbhsRTbVqV6p0py9NGZrpFPf2yvp-B0dr+o-m7qbdja_-Lfzw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-01-27 8:54 ` [linux-pm] " Vincent Guittot
2012-01-27 8:54 ` Vincent Guittot
2012-01-27 8:54 ` Vincent Guittot
2012-01-27 17:32 ` Colin Cross
2012-01-27 17:32 ` Colin Cross
2012-01-27 17:32 ` Colin Cross
[not found] ` <CAMbhsRQYVXTZ2pX4mBrM6=SyGTqn_GY8xsW4rt_e21zerEzctA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-02-01 12:13 ` Vincent Guittot
2012-02-01 12:13 ` Vincent Guittot
2012-02-01 12:13 ` Vincent Guittot
2012-02-01 14:59 ` Lorenzo Pieralisi
2012-02-01 14:59 ` [linux-pm] " Lorenzo Pieralisi
2012-02-01 14:59 ` Lorenzo Pieralisi
2012-02-01 17:30 ` Colin Cross
2012-02-01 17:30 ` Colin Cross
2012-02-01 17:30 ` Colin Cross
2012-02-01 18:07 ` Lorenzo Pieralisi
2012-02-01 18:07 ` [linux-pm] " Lorenzo Pieralisi
2012-02-01 18:07 ` Lorenzo Pieralisi
2012-02-03 1:19 ` Colin Cross
2012-02-03 1:19 ` [linux-pm] " Colin Cross
2012-02-03 1:19 ` Colin Cross
2012-03-13 23:52 ` Kevin Hilman
2012-03-13 23:52 ` Kevin Hilman
[not found] ` <8762e8kqi6.fsf-l0cyMroinI0@public.gmane.org>
2012-03-14 0:28 ` Colin Cross
2012-03-14 0:28 ` Colin Cross
2012-03-14 0:28 ` Colin Cross
2012-03-14 0:47 ` Colin Cross
2012-03-14 0:47 ` Colin Cross
2012-03-14 0:47 ` Colin Cross
[not found] ` <CAMbhsRRD2bdkcUZvScb-cF05e=R3h69bNVaTPFX4jBKBBOjuMg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-14 14:23 ` [linux-pm] " Kevin Hilman
2012-03-14 14:23 ` Kevin Hilman
2012-03-14 14:23 ` Kevin Hilman
2012-03-14 2:04 ` Arjan van de Ven
2012-03-14 2:04 ` Arjan van de Ven
2012-03-14 2:04 ` Arjan van de Ven
2012-03-14 2:21 ` Colin Cross
2012-03-14 2:21 ` Colin Cross
2012-03-14 2:21 ` Colin Cross
-- strict thread matches above, loose matches on Subject: below --
2011-12-21 0:09 Colin Cross
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