linux-kernel - Re: your mail

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]

Date:	Wed, 8 Aug 2012 09:39:29 -0700
From:	Tejun Heo <tj@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	padovan@...fusion.mobi, marcel@...tmann.org, peterz@...radead.org,
	mingo@...hat.com, davem@...emloft.net, dougthompson@...ssion.com,
	ibm-acpi@....eng.br, cbou@...l.ru, rui.zhang@...el.com,
	tomi.valkeinen@...com
Subject: Re: your mail

On Fri, Aug 03, 2012 at 10:43:45AM -0700, Tejun Heo wrote:
> delayed_work has been annoyingly missing the mechanism to modify timer
> of a pending delayed_work - ie. mod_timer() counterpart.  delayed_work
> users have been working around this using several methods - using an
> explicit timer + work item, messing directly with delayed_work->timer,
> and canceling before re-queueing, all of which are error-prone and/or
> ugly.
> 
> Gustavo Padovan posted a RFC implementation[1] of mod_delayed_work() a
> while back but it wasn't complete.  To properly implement
> mod_delayed_work[_on](), it should be able to steal pending work items
> which may be on timer or worklist or anywhere inbetween.  This is
> similar to what __cancel_work_timer() does but it turns out that there
> are a lot of holes around this area and try_to_grab_pending() needs
> considerable amount of work to be used for other purposes too.
> 
> This patchset improves canceling and try_to_grab_pending(), use it to
> implement mod_delayed_work[_on](), convert easy ones, and drop
> __cancel_delayed_work_sync() which doesn't have relevant users
> afterwards.

Applied to wq/for-3.7.

Thanks.

-- 
tejun
--
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/