From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Kevin Hilman <khilman@ti.com>, Len Brown <len.brown@intel.com>,
Trinabh Gupta <g.trinabh@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
Stephen Warren <swarren@wwwdotorg.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Deepthi Dharwar <deepthi@linux.vnet.ibm.com>,
Olof Johansson <olof@lixom.net>,
"Shilimkar, Santosh" <santosh.shilimkar@ti.com>,
Colin Cross <ccross@android.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
Rob Lee <rob.lee@linaro.org>,
Arjan van de Ven <arjan@linux.intel.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Ricardo Salveti <ricardo.salveti@linaro.org>
Subject: Re: [RFC PATCH] cpuidle: allow per cpu latencies
Date: Thu, 19 Apr 2012 11:14:27 +0200 [thread overview]
Message-ID: <4F8FD773.5030500@linaro.org> (raw)
In-Reply-To: <20120416153456.GB514@tbergstrom-lnx.Nvidia.com>
On 04/16/2012 05:34 PM, Peter De Schrijver wrote:
>>
>> Maybe we also want to make the 'disabled' flag per CPU then or provide some
>> other way the number of C states can be different per CPU?
>
> What do you think about this? Do we also want to make the disabled flag per
> CPU? Or how should we deal with a different number of C states per CPU?
Hi Peter,
yes, that could makes sense. But in most of the architecture, this is
not needed, so duplicating the state's array and latencies is unneeded
memory consumption.
Maybe we can look for a COW approach, similar to what is done for the
nsproxy structure, no ?
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next prev parent reply other threads:[~2012-04-19 9:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-05 9:53 [RFC PATCH] cpuidle: allow per cpu latencies Peter De Schrijver
2012-04-05 13:37 ` Arjan van de Ven
[not found] ` <4F7DA009.4010802-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2012-04-06 10:32 ` Shilimkar, Santosh
2012-04-06 15:35 ` Daniel Lezcano
[not found] ` <4F7F0D52.8080305-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-04-10 10:28 ` Peter De Schrijver
2012-04-16 15:34 ` Peter De Schrijver
2012-04-19 9:14 ` Daniel Lezcano [this message]
[not found] ` <4F8FD773.5030500-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-04-19 10:23 ` Peter De Schrijver
2012-04-10 10:31 ` Peter De Schrijver
-- strict thread matches above, loose matches on Subject: below --
2012-04-05 10:44 Peter De Schrijver
2012-04-05 11:25 Peter De Schrijver
2012-04-05 12:03 ` Peter 'p2' De Schrijver
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