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From: Anton Vorontsov <cbouatmailru@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: "Pekka Enberg" <penberg@kernel.org>,
	"Leonid Moiseichuk" <leonid.moiseichuk@nokia.com>,
	"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
	"Colin Cross" <ccross@android.com>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Davide Libenzi" <davidel@xmailserver.org>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Ingo Molnar" <mingo@elte.hu>,
	"John Stultz" <john.stultz@linaro.org>,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linaro-kernel@lists.linaro.org, patches@linaro.org,
	kernel-team@android.com
Subject: Re: [PATCH/RFC 0/4] Deferrable timers support for timerfd API
Date: Sun, 16 Sep 2012 22:53:07 -0700	[thread overview]
Message-ID: <20120917055306.GA29081@lizard> (raw)
In-Reply-To: <20120902054335.GA12741@lizard>

Hi all,

On Sat, Sep 01, 2012 at 10:43:35PM -0700, Anton Vorontsov wrote:
> This patch set implements a userland-side API for generic deferrable
> timers, per linux/timer.h:
> 
>  * A deferrable timer will work normally when the system is busy, but
>  * will not cause a CPU to come out of idle just to service it; instead,
>  * the timer will be serviced when the CPU eventually wakes up with a
>  * subsequent non-deferrable timer.
> 
> These timers are crucial for power saving, i.e. periodic tasks that want
> to work in background when the system is under use, but don't want to
> cause wakeups themselves.

Just a friendly ping. Does anyone had a chance to look into this,
whether the idea bad or good, or whether the implementation is OK?

Thanks!

Anton.

      parent reply	other threads:[~2012-09-17  5:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-02  5:43 [PATCH/RFC 0/4] Deferrable timers support for timerfd API Anton Vorontsov
2012-09-02  5:45 ` [PATCH 1/4] kernel/time: Add new helpers to convert ktime to/from jiffies Anton Vorontsov
2012-09-02  5:45 ` [PATCH 2/4] timerfd: Move repeated logic into timefd_rearm() Anton Vorontsov
2012-09-02  5:45 ` [PATCH 3/4] timerfd: Factor out timer-type unspecific timerfd_expire() Anton Vorontsov
2012-09-02  5:45 ` [PATCH 4/4] timerfd: Add support for deferrable timers Anton Vorontsov
2012-09-17  5:53 ` Anton Vorontsov [this message]

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