linux-kernel - Re: [PATCH 0/3] Add generic idle notifiers

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Message-ID: <BANLkTi=1ZfWfDpUkSV0f1KoWmkJbxHg=_w@mail.gmail.com>
Date:	Tue, 28 Jun 2011 17:02:40 +0800
From:	Bryan Wu <bryan.wu@...onical.com>
To:	Todd Poynor <toddpoynor@...gle.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/3] Add generic idle notifiers

On Tue, Jun 28, 2011 at 10:46 AM, Todd Poynor <toddpoynor@...gle.com> wrote:
> Add notifiers for idle entry and exit, called with IDLE_START when a
> CPU goes idle and IDLE_END when it goes out of idle, based on the
> existing idle notifiers for the x86_64 arch.
>
> Convert x86_64 to use these notifiers, and call the notifiers on ARM.
>
> Convert the ARM LEDs events for idle start/end to these notifiers.
>

LinusW and I is working on consolidation LED events interface in ARM.
Please take a look at https://patchwork.kernel.org/patch/918792/

I do like to add notifiers into ledtrig-cpu driver, which can be also
shared by x86

Thanks,
-Bryan

>  arch/arm/kernel/leds.c       |   27 ++++++++++++++++++++++++++-
>  arch/arm/kernel/process.c    |    5 ++---
>  arch/x86/include/asm/idle.h  |    7 -------
>  arch/x86/kernel/process_64.c |   18 ++----------------
>  include/linux/cpu.h          |    7 +++++++
>  kernel/cpu.c                 |   20 ++++++++++++++++++++
>  6 files changed, 57 insertions(+), 27 deletions(-)
>
> --
> 1.7.3.1
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

-- 
Bryan Wu <bryan.wu@...onical.com>
Kernel Developer    +86.138-1617-6545 Mobile
Ubuntu Kernel Team
Canonical Ltd.      www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com
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