From: Peter Zijlstra <peterz@infradead.org>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org,
devicetree-discuss@lists.ozlabs.org, linux@arm.linux.org.uk,
grant.likely@secretlab.ca, rob.herring@calxeda.com
Subject: Re: [RFC 4/4] sched: cpu_power: enable ARCH_POWER
Date: Wed, 13 Jun 2012 14:50:19 +0200 [thread overview]
Message-ID: <1339591819.8980.28.camel@twins> (raw)
In-Reply-To: <1339502524-10265-5-git-send-email-vincent.guittot@linaro.org>
On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> Heteregeneous ARM platform uses arch_scale_freq_power function
> to reflect the relative capacity of each core
I think I've pointed out before that this breaks x86.. you need a patch
killing at that stuff before this.
> Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
> ---
> kernel/sched/features.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/sched/features.h b/kernel/sched/features.h
> index de00a48..d98ae90 100644
> --- a/kernel/sched/features.h
> +++ b/kernel/sched/features.h
> @@ -42,7 +42,7 @@ SCHED_FEAT(CACHE_HOT_BUDDY, true)
> /*
> * Use arch dependent cpu power functions
> */
> -SCHED_FEAT(ARCH_POWER, false)
> +SCHED_FEAT(ARCH_POWER, true)
>
> SCHED_FEAT(HRTICK, false)
> SCHED_FEAT(DOUBLE_TICK, false)
next prev parent reply other threads:[~2012-06-13 12:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-12 12:02 [RFC 0/4] ARM: topology: set the capacity of each cores for big.LITTLE Vincent Guittot
[not found] ` <1339502524-10265-1-git-send-email-vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-06-12 12:02 ` [RFC 1/4] ARM: topology: Add arch_scale_freq_power function Vincent Guittot
2012-06-13 8:50 ` Jean Pihet
2012-06-13 9:22 ` Vincent Guittot
2012-06-13 12:52 ` Peter Zijlstra
2012-06-13 19:27 ` Andy Whitcroft
2012-06-13 19:30 ` Joe Perches
2012-06-13 21:51 ` Peter Zijlstra
2012-06-12 12:02 ` [RFC 2/4] ARM: topology: factorize the update of sibling masks Vincent Guittot
2012-06-13 12:54 ` Peter Zijlstra
2012-06-12 12:02 ` [RFC 3/4] ARM: topology: Update cpu_power according to DT information Vincent Guittot
2012-06-13 8:59 ` Jean Pihet
2012-06-13 9:44 ` Vincent Guittot
2012-06-13 12:44 ` Amit Kucheria
2012-06-13 12:47 ` Peter Zijlstra
2012-06-13 12:50 ` Jean Pihet
2012-06-13 13:29 ` Vincent Guittot
2012-06-13 13:32 ` Peter Zijlstra
2012-06-13 14:31 ` Vincent Guittot
2012-06-13 13:07 ` Peter Zijlstra
2012-06-13 14:54 ` Vincent Guittot
2012-06-13 16:06 ` Peter Zijlstra
2012-06-13 13:09 ` Peter Zijlstra
2012-06-13 14:42 ` Nicolas Pitre
[not found] ` <1339502524-10265-4-git-send-email-vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-06-13 13:19 ` Peter Zijlstra
2012-06-12 12:02 ` [RFC 4/4] sched: cpu_power: enable ARCH_POWER Vincent Guittot
2012-06-13 12:50 ` Peter Zijlstra [this message]
2012-06-13 13:20 ` Vincent Guittot
2012-06-13 13:28 ` Peter Zijlstra
2012-06-13 13:50 ` Vincent Guittot
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