linux-kernel - Re: [PATCH 0/2] intel_pstate: Add support for hardware managed P states (HWP)

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Message-ID: <1503544.Me07i8iiBH@vostro.rjw.lan>
Date:	Sat, 15 Nov 2014 00:54:14 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	dirk.brandewie@...il.com
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	dirk.brandweie@...il.com, robert.a.kasten@...el.com,
	charles.d.prestopine@...el.com, x86@...nel.org,
	Dirk Brandewie <dirk.j.brandewie@...el.com>
Subject: Re: [PATCH 0/2] intel_pstate: Add support for hardware managed P states (HWP)

On Thursday, November 06, 2014 09:40:45 AM dirk.brandewie@...il.com wrote:
> From: Dirk Brandewie <dirk.j.brandewie@...el.com>
> 
> This patch set adds support for HWP. When HWP is enabled the CPU will
> do P state autonomously and intel_pstate simply provides an interface
> to forward user preferences to the CPU while maintaining the
> interfaces required by the cpufreq core. 
> 
> Dirk Brandewie (2):
>   x86: Add support for Intel HWP feature detection.
>   intel_pstate: Add support for HWP
> 
>  Documentation/cpu-freq/intel-pstate.txt |  37 ++++++++----
>  Documentation/kernel-parameters.txt     |   3 +
>  arch/x86/include/asm/cpufeature.h       |   5 ++
>  arch/x86/include/uapi/asm/msr-index.h   |  41 +++++++++++++
>  arch/x86/kernel/cpu/scattered.c         |   5 ++
>  drivers/cpufreq/intel_pstate.c          | 102 +++++++++++++++++++++++++++++++-
>  6 files changed, 178 insertions(+), 15 deletions(-)

Both patches queued up for 3.19 (with assorted fixups), thanks!

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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