From: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
To: Dan Smith <danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org
Subject: Re: [PATCH 2/2] Add support for the per-task sem_undo list (v2)
Date: Wed, 04 Aug 2010 17:48:00 -0400 [thread overview]
Message-ID: <4C59E010.2090200@cs.columbia.edu> (raw)
In-Reply-To: <87lj8mkqhk.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
On 08/04/2010 05:38 PM, Dan Smith wrote:
> OL> In that case, the atomic_inc for the first task should occur
> OL> earlier - as soon as it is attached to the task _and_ inserted
> OL> into the objhash.
>
> Okay, fair enough. By my calculations, it belongs just a few lines
> above, in restore_sem_undo() before a successful termination. Then we
Yep, in the last "else" clause that returns the @ulp.
> leave the refcount increment in restore_obj_sem_undo(), but only for
> second-and-later tasks. Agreed?
Deal :)
Oren.
next prev parent reply other threads:[~2010-08-04 21:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-04 17:02 Support for SEM_UNDO, round 2 Dan Smith
[not found] ` <1280941345-27566-1-git-send-email-danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-08-04 17:02 ` [PATCH 1/2] Add ipc_namespace to struct sem_undo_list Dan Smith
2010-08-04 17:02 ` [PATCH 2/2] Add support for the per-task sem_undo list (v2) Dan Smith
[not found] ` <1280941345-27566-3-git-send-email-danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-08-04 18:49 ` Oren Laadan
[not found] ` <4C59B625.7000007-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2010-08-04 20:17 ` Dan Smith
[not found] ` <87pqxyku9j.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2010-08-04 21:29 ` Oren Laadan
[not found] ` <4C59DBD0.1000107-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2010-08-04 21:38 ` Dan Smith
[not found] ` <87lj8mkqhk.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2010-08-04 21:48 ` Oren Laadan [this message]
2010-08-05 16:17 ` Dan Smith
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