From: 'Christoph Hellwig' <hch@lst.de>
To: David Laight <David.Laight@ACULAB.COM>
Cc: 'Christoph Hellwig' <hch@lst.de>,
Thomas Gleixner <tglx@linutronix.de>, Tejun Heo <tj@kernel.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Mark Gross <mark.gross@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>
Subject: Re: [PATCH 2/9] timers: provide a "modern" variant of timers
Date: Sun, 21 May 2017 08:57:49 +0200 [thread overview]
Message-ID: <20170521065749.GA13052@lst.de> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6DCFFFAA38@AcuExch.aculab.com>
On Fri, May 19, 2017 at 10:48:51AM +0000, David Laight wrote:
> From: Christoph Hellwig
> > Sent: 16 May 2017 12:48
> >
> > The new callback gets a pointer to the timer_list itself, which can
> > then be used to get the containing structure using container_of
> > instead of casting from and to unsigned long all the time.
>
> What about sensible drivers that put some other value in the 'data'
> field?
They will add the equivalent of the data field into the containing
structure of the timer. Just like we do for all other kernel interfaces
using the container_of patter, which includes just about every
primitive designed in the last 15 years.
next prev parent reply other threads:[~2017-05-21 6:57 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-16 11:48 RFC: better timer interface 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' [this message]
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
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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