linux-kernel - Re: [PATCH v3 0/6] Deferrable timers support for hrtimers/timerfd API

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Date:	Thu, 20 Feb 2014 22:21:49 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Alexey Perevalov <a.perevalov@...sung.com>
cc:	linux-kernel@...r.kernel.org, john.stultz@...aro.org,
	Anton Vorontsov <anton@...msg.org>, kyungmin.park@...sung.com,
	cw00.choi@...sung.com, akpm@...ux-foundation.org
Subject: Re: [PATCH v3 0/6] Deferrable timers support for hrtimers/timerfd
 API

On Thu, 20 Feb 2014, Alexey Perevalov wrote:

> On 02/20/2014 03:12 PM, Thomas Gleixner wrote:
> > On Thu, 20 Feb 2014, Alexey Perevalov wrote:
> > 
> > > Hello.
> > > 
> > > This is a combo patch set for support defferability in timerfd.
> > > Due implementation of timerfd is based on hrtimers and only on hrtimers,
> > > it was necessary to add such deferrability into hrtimers too.
> > Sigh, this is not about timerfd. Adding new clock ids exposes them to
> > all other hrtimer based interfaces as well.
> Posix timers, maybe something else,
> do you want to separate this patch set, or add to this patch set,
> 1. proper description
> 2. and if it'll touch posix-timer, posix_timers clocks should be extended too.

Did you even try to understand the scope of the deferrable clock id
changes?

I really wonder why you try to hack such an interface without even
remotely understanding how the related user space interfaces work.

Thanks,

	tglx


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