From: Chanwoo Choi <cw00.choi@samsung.com>
To: Alexey Perevalov <a.perevalov@samsung.com>
Cc: linux-kernel@vger.kernel.org, john.stultz@linaro.org,
Anton Vorontsov <anton@scarybugs.org>,
anton@enomsg.org, kyungmin.park@samsung.com,
akpm@linux-foundation.org,
Anton Vorontsov <anton.vorontsov@linaro.org>
Subject: Re: [PATCH v2 1/3] kernel/time: Add new helpers to convert ktime to/from jiffies
Date: Tue, 14 Jan 2014 09:15:06 +0900 [thread overview]
Message-ID: <52D4818A.3050905@samsung.com> (raw)
In-Reply-To: <1389609835-24377-2-git-send-email-a.perevalov@samsung.com>
On 01/13/2014 07:43 PM, Alexey Perevalov wrote:
> From: Anton Vorontsov <anton@scarybugs.org>
>
> Two new functions: jiffies_to_ktime() and ktime_to_jiffies(), we'll use
> them for timerfd deferred timers handling.
>
> We fully reuse the logic from timespec implementations, so the functions
> are pretty straightforward.
>
> The only tricky part is in headers: we have to include jiffies.h after
> we defined ktime_t, this is because ktime.h needs some declarations from
> jiffies.h (e.g. TICK_NSEC).
>
> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
I tested this patchset about operation of deferrable timer on user-space.
Thanks,
Chanwoo Choi
next prev parent reply other threads:[~2014-01-14 0:15 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-13 10:43 [PATCH v2 0/3] Deferrable timers support for timerfd API Alexey Perevalov
2014-01-13 10:43 ` [PATCH v2 1/3] kernel/time: Add new helpers to convert ktime to/from jiffies Alexey Perevalov
2014-01-14 0:15 ` Chanwoo Choi [this message]
2014-01-13 10:43 ` [PATCH v2 2/3] timerfd: Factor out timer-type unspecific timerfd_expire() Alexey Perevalov
2014-01-13 10:43 ` [PATCH v2 3/3] timerfd: Add support for deferrable timers Alexey Perevalov
2014-01-13 15:30 ` [PATCH v2 0/3] Deferrable timers support for timerfd API Alexey Perevalov
2014-01-13 17:36 ` Andi Kleen
[not found] ` <877ga34wd1.fsf-KWJ+5VKanrL29G5dvP0v1laTQe2KTcn/@public.gmane.org>
2014-01-14 6:44 ` Alexey Perevalov
2014-01-14 6:44 ` Alexey Perevalov
2014-01-21 19:12 ` John Stultz
2014-01-27 7:12 ` Alexey Perevalov
2014-02-04 16:10 ` Thomas Gleixner
2014-02-05 6:43 ` Alexey Perevalov
2014-02-05 21:41 ` Thomas Gleixner
2014-02-05 22:02 ` John Stultz
2014-02-05 22:16 ` Thomas Gleixner
2014-02-06 17:38 ` Alexey Perevalov
2014-02-06 17:47 ` John Stultz
2014-02-06 20:50 ` Thomas Gleixner
2014-02-07 17:41 ` Alexey Perevalov
2014-02-16 15:20 ` Alexey Perevalov
2014-02-16 15:39 ` Thomas Gleixner
2014-02-17 14:15 ` Alexey Perevalov
2014-02-18 19:43 ` Thomas Gleixner
2014-02-18 19:48 ` Alexey Perevalov
2014-02-18 22:33 ` Thomas Gleixner
2014-02-19 7:08 ` Alexey Perevalov
2014-02-03 6:54 ` Alexey Perevalov
2014-02-03 23:58 ` John Stultz
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