linux-kernel - Re: [PATCH v6 1/7][Resend] cpufreq: sched: Helpers to add and remove update

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Message-ID: <20160331124731.GL3408@twins.programming.kicks-ass.net>
Date:	Thu, 31 Mar 2016 14:47:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Juri Lelli <juri.lelli@....com>,
	Steve Muckle <steve.muckle@...aro.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Michael Turquette <mturquette@...libre.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v6 1/7][Resend] cpufreq: sched: Helpers to add and remove
 update_util hooks

On Tue, Mar 22, 2016 at 02:46:34AM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Replace the single helper for adding and removing cpufreq utilization
> update hooks, cpufreq_set_update_util_data(), with a pair of helpers,
> cpufreq_add_update_util_hook() and cpufreq_remove_update_util_hook(),
> and modify the users of cpufreq_set_update_util_data() accordingly.
> 
> With the new helpers, the code using them doesn't need to worry
> about the internals of struct update_util_data and in particular
> it doesn't need to worry about populating the func field in it
> properly upfront.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
> 
> No changes since v4 (this patch appeared then).
> 
> ---
>  drivers/cpufreq/cpufreq_governor.c |   76 ++++++++++++++++++-------------------
>  drivers/cpufreq/intel_pstate.c     |    8 +--
>  include/linux/sched.h              |    5 +-
>  kernel/sched/cpufreq.c             |   48 ++++++++++++++++++-----
>  4 files changed, 83 insertions(+), 54 deletions(-)
> 

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>