linux-kernel - Re: [PATCH v2 0/3] Deferrable timers support for timerfd API

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-id: <52D40681.3030801@samsung.com>
Date:	Mon, 13 Jan 2014 19:30:09 +0400
From:	Alexey Perevalov <a.perevalov@...sung.com>
To:	linux-kernel@...r.kernel.org, john.stultz@...aro.org
Cc:	Alexey Perevalov <a.perevalov@...sung.com>, anton@...msg.org,
	kyungmin.park@...sung.com, akpm@...ux-foundation.org,
	cw00.choi@...sung.com
Subject: Re: [PATCH v2 0/3] Deferrable timers support for timerfd API


Hello all,

one remark - timerfd is not documented in linux Documentation directory 
at all.
I think it's better to have such description.


On 01/13/2014 02:43 PM, Alexey Perevalov wrote:
> Hello dear community.
>
> This is reworked patch set of original Anton's Vorontsov
> proposal regarding unified deferrable timers in the user space.
> http://lwn.net/Articles/514707/
>
>
> I decided to resubmit it due we found it usefull for us too.
>
> timerfd was modified since Anton's commit, Alarm support was added.
> This isn't only rebase. Anton's previous version used deferrable timer
> in couple with hrtimer. This version uses only deferrable timer. It
> mean the behaviour of overrun number is different.
> e.g. if you don't poll one second timer for a 10 seconds - you'll get
> 10 overruns with hrtimer, but for deferrable timer it could be another value.
>
> Anton Vorontsov (3):
>    kernel/time: Add new helpers to convert ktime to/from jiffies
>    timerfd: Factor out timer-type unspecific timerfd_expire()
>    timerfd: Add support for deferrable timers
>
>   fs/timerfd.c            |  127 +++++++++++++++++++++++++++++++++++------------
>   include/linux/jiffies.h |    4 +-
>   include/linux/ktime.h   |    3 +-
>   include/linux/timerfd.h |    4 +-
>   kernel/time.c           |   23 +++++++++
>   5 files changed, 126 insertions(+), 35 deletions(-)
>


-- 
Best regards,
Alexey Perevalov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/