linux-kernel - Re: [PATCH v6 0/4] powercap/rapl: reduce ipi calls and misc clean up

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Message-ID: <CAJZ5v0iODV3wzERdcpFUK5Ydph_HGm43qnBxbf56zOsF4wh2cw@mail.gmail.com>
Date:	Tue, 8 Mar 2016 18:14:41 +0100
From:	"Rafael J. Wysocki" <rafael@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM <linux-pm@...r.kernel.org>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH v6 0/4] powercap/rapl: reduce ipi calls and misc clean up

On Tue, Mar 8, 2016 at 8:57 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Mon, 7 Mar 2016, Jacob Pan wrote:
>
>> On Wed, 24 Feb 2016 13:31:34 -0800
>> Jacob Pan <jacob.jun.pan@...ux.intel.com> wrote:
>>
>> > Changes since v5:
>> >     - Split changes into seprate patches. No code change.
>> > Changes since V4:
>> >     - Deleted unnecessary cpumask_any_and() call, assign first
>> > cpu as lead Changes since V3:
>> >     - Avoid for_each_online_cpu() search for per package MSR
>> > access. This is achieved by tracking a per package lead cpu via
>> > cpumask_xx() calls. (suggested by Thomas Gleixner
>> > <tglx@...utronix.de>)
>> >         - Add direct reference of RAPL package for each RAPL
>> > domain.
>> >
>> > Jacob Pan (4):
>> >   cpumask: export cpumask_any_but
>> >   powercap/rapl: reduce ipi calls
>> >   powercap/rapl: add package reference per domain
>> >   powercap/rapl: track lead cpu per package
>> >
>> >  drivers/powercap/intel_rapl.c | 220
>> > ++++++++++++++++++++++--------------------
>> > lib/cpumask.c                 |   1 + 2 files changed, 115
>> > insertions(+), 106 deletions(-)
>> >
>> Hi Thomas,
>>
>> Do you have more comments?
>
> No. Looks reasonable now.

OK, thanks!

I'll apply the patches then.