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From: Thomas Gleixner <tglx@linutronix.de>
To: David Laight <David.Laight@ACULAB.COM>
Cc: Arnd Bergmann <arnd@arndb.de>,
	linux-s390 <linux-s390@vger.kernel.org>,
	Mark Gross <mark.gross@intel.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Tejun Heo <tj@kernel.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Christoph Hellwig <hch@lst.de>
Subject: RE: RFC: better timer interface
Date: Tue, 23 May 2017 13:58:57 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1705231358220.2740@nanos> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6DCFFFD8B2@AcuExch.aculab.com>

On Tue, 23 May 2017, David Laight wrote:

> From: Thomas Gleixner
> > Sent: 21 May 2017 19:15
> ...
> > > timer_start(timer, ms, abs)
> > 
> > I'm not even sure, whether we need absolute timer wheel timers at
> > all, because most use cases are relative to now.
> 
> Posix requires absolute timers for some userspace calls
> (annoying because the code often wants relative).

Posix is completely irrelevant here. These timers are purely kernel
internal.

Thanks,

	tglx

  reply	other threads:[~2017-05-23 11:59 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-16 11:48 Christoph Hellwig
2017-05-16 11:48 ` [PATCH 1/9] timers: remove the fn and data arguments to call_timer_fn Christoph Hellwig
2017-05-16 11:48 ` [PATCH 2/9] timers: provide a "modern" variant of timers Christoph Hellwig
2017-05-16 19:29   ` Randy Dunlap
2017-05-16 20:03   ` Arnd Bergmann
2017-05-18  8:24     ` Christoph Hellwig
2017-05-18  8:41       ` Christoph Hellwig
2017-05-18  8:57         ` Arnd Bergmann
2017-05-21  7:00           ` Christoph Hellwig
2017-05-21 12:29             ` Arnd Bergmann
2017-05-21 17:57         ` Thomas Gleixner
2017-05-21 18:23           ` Al Viro
2017-05-19 10:48   ` David Laight
2017-05-21  6:57     ` 'Christoph Hellwig'
2017-05-16 11:48 ` [PATCH 3/9] kthread: remove unused macros Christoph Hellwig
2017-05-17 12:09   ` Petr Mladek
2017-05-18  8:22     ` Christoph Hellwig
2017-05-16 11:48 ` [PATCH 4/9] workqueue: switch to modern timers Christoph Hellwig
2017-05-16 11:48 ` [PATCH 5/9] powerpc/numa: switch topology_timer to modern timer Christoph Hellwig
2017-05-16 11:48 ` [PATCH 6/9] s390: switch topology_timer to a " Christoph Hellwig
2017-05-16 11:48 ` [PATCH 7/9] s390: switch lgr timer " Christoph Hellwig
2017-05-16 11:48 ` [PATCH 8/9] tlclk: switch switchover_timer " Christoph Hellwig
2017-05-16 11:48 ` [PATCH 9/9] timers: remove old timer initialization macros Christoph Hellwig
2017-05-16 19:43   ` Arnd Bergmann
2017-05-18  8:25     ` Christoph Hellwig
2017-05-16 15:45 ` RFC: better timer interface Arnd Bergmann
2017-05-16 15:51   ` Christoph Hellwig
2017-05-16 20:26     ` Arnd Bergmann
2017-05-18  8:27       ` Christoph Hellwig
2017-05-21 17:13       ` Thomas Gleixner
2017-05-21 18:14         ` Thomas Gleixner
2017-05-22 11:26           ` Arnd Bergmann
2017-05-22 19:24             ` Thomas Gleixner
2017-05-23 11:36           ` David Laight
2017-05-23 11:58             ` Thomas Gleixner [this message]
2017-05-23 12:51               ` David Laight
2017-05-23 13:02                 ` Thomas Gleixner
2017-05-22 13:32         ` Arnd Bergmann
2017-05-22 19:14           ` Thomas Gleixner

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