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From: Dave Hansen <dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
Cc: containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org,
	Dan Smith <danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
	adobriyan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] c/r: Add UTS support (v4)
Date: Fri, 20 Mar 2009 14:00:25 -0700	[thread overview]
Message-ID: <1237582825.8286.285.camel@nimitz> (raw)
In-Reply-To: <49C4011C.1050707-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>

On Fri, 2009-03-20 at 16:48 -0400, Oren Laadan wrote:
> Does that scale well with many (1000's) of tasks ?
> 
> (The motivation to expose 'nsproxy_objref' to user space was to allow
> user-space to decide on a sequence of clones/unshared that will create
> an equivalent process tree with space-efficient nsproxy's).

OK, so you're saying that there's no way for userspace to tell that a
set of tasks share an nsproxy other than exporting that nsproxy?

> Perhaps instead of nsproxy_equal() we could use an 'nsproxy_objref'
> to know a-priori that it is common, and save the "compare-and-swap"
> phase altogether.

Sure, that's workable.  The important thing is that it is an
optimization that can be left for later.

-- Dave

  parent reply	other threads:[~2009-03-20 21:00 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-18 18:51 [PATCH] c/r: Add UTS support (v4) Dan Smith
     [not found] ` <1237402291-28812-1-git-send-email-danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-03-19 22:26   ` Oren Laadan
     [not found]     ` <49C2C686.2060806-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-19 22:39       ` Dan Smith
     [not found]         ` <871vstdtn1.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2009-03-19 22:58           ` Oren Laadan
     [not found]             ` <49C2CDFA.4010907-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-19 23:13               ` Oren Laadan
2009-03-20 13:56                 ` Dan Smith
     [not found]                 ` <49C2D183.8040905-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-20 18:10                   ` Serge E. Hallyn
     [not found]                     ` <20090320181043.GB8380-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-03-20 19:34                       ` Oren Laadan
     [not found]                         ` <49C3EFAF.9030706-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-20 19:59                           ` Dave Hansen
2009-03-20 20:48                             ` Oren Laadan
     [not found]                               ` <49C4011C.1050707-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-20 21:00                                 ` Dave Hansen [this message]
2009-03-20 21:26                                   ` Oren Laadan
     [not found]                                     ` <49C40A23.6080708-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-20 21:39                                       ` Dave Hansen
2009-03-20 21:58                                         ` Oren Laadan
2009-03-23 14:52                             ` Dan Smith
     [not found]                               ` <87eiwoi956.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2009-03-23 15:08                                 ` Serge E. Hallyn
2009-03-20 18:05               ` Serge E. Hallyn
     [not found]                 ` <20090320180506.GA8380-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-03-20 19:38                   ` Oren Laadan
     [not found]                     ` <49C3F0A9.9080703-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-03-20 20:42                       ` Serge E. Hallyn
2009-03-19 22:28   ` Oren Laadan
2009-03-24 15:07   ` Oren Laadan
2009-03-24 15:21     ` Dan Smith
     [not found]       ` <87d4c7gd54.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2009-03-24 15:34         ` Oren Laadan

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