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From: Kirill Korotaev <dev@sw.ru>
To: devel@openvz.org
Cc: Kirill Korotaev <dev@openvz.org>, Andrew Morton <akpm@osdl.org>,
	frankeh@watson.ibm.com, Andrey Savochkin <saw@sawoct.com>,
	Rik van Riel <riel@redhat.com>,
	greg@kroah.com,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@osdl.org>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	serue@us.ibm.com, alan@lxorguk.ukuu.org.uk, arjan@infradead.org
Subject: Re: [Devel] Re: [RFC][PATCH 1/5] Virtualization/containers: startup
Date: Mon, 06 Feb 2006 12:03:24 +0300	[thread overview]
Message-ID: <43E710DC.4000705@sw.ru> (raw)
In-Reply-To: <1139187391.5634.32.camel@localhost.localdomain>

>>+static inline vps_t get_vps(vps_t vps)
>>+{
>>+	atomic_inc(&vps->refcnt);
>>+	return vps;
>>+}
>>+
>>+static inline void put_vps(vps_t vps)
>>+{
>>+	atomic_dec(&vps->refcnt);
>>+}
> 
> 
> I'm not too sure about the refcounting here .. you never destroy the
> object ? Also, why introduce your own refcounting mecanism instead of
> using existing ones ? You could probably use at least a kref to get a
> nice refcount + destructor instead of home made atomics based. Maybe
> some higher level structure if you think it makes sense (not too sure
> what this virtualization stuff is about so I can't comment on what data
> structure is appropriate here).
I replied to this in another email. Briefly:
this patch set doesn't introduce VPS/container creation/destroy 
interface yet. Only small parts.
krefs are not needed here.

Kirill


  reply	other threads:[~2006-02-06  9:01 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-03 16:58 [RFC][PATCH 1/5] Virtualization/containers: startup Kirill Korotaev
2006-02-03 17:03 ` [RFC][PATCH 2/5] Virtualization/containers: UIDs Kirill Korotaev
2006-02-03 17:06 ` [RFC][PATCH 3/5] Virtualization/containers: UTSNAME Kirill Korotaev
2006-02-06  8:21   ` Eric W. Biederman
2006-02-06  8:53     ` Kirill Korotaev
2006-02-03 17:15 ` [RFC][PATCH 1/5] Virtualization/containers: startup Linus Torvalds
2006-02-03 17:22   ` Kirill Korotaev
2006-02-03 17:49     ` Linus Torvalds
2006-02-03 18:34       ` Dave Hansen
2006-02-03 18:55         ` Jeff Garzik
2006-02-03 19:18         ` Hubertus Franke
2006-02-03 19:56         ` Hubertus Franke
2006-02-03 20:19         ` Greg KH
2006-02-03 20:34           ` Hubertus Franke
2006-02-05 15:11             ` Kirill Korotaev
2006-02-05 15:39               ` Hubertus Franke
2006-02-06  9:08                 ` Kirill Korotaev
2006-02-06 22:31               ` Cedric Le Goater
2006-02-07 12:28                 ` Kirill Korotaev
2006-02-05 15:10           ` Kirill Korotaev
2006-02-05 15:05         ` Kirill Korotaev
2006-02-06 16:35           ` Dave Hansen
2006-02-06 16:51             ` Kirill Korotaev
2006-02-06 16:56           ` Linus Torvalds
2006-02-06 17:21             ` Kirill Korotaev
2006-02-07  0:28             ` Sam Vilain
2006-02-07 12:21               ` Kirill Korotaev
2006-02-07 22:21                 ` Sam Vilain
2006-02-20 11:56                   ` Kirill Korotaev
2006-02-03 18:36       ` Summary: PID virtualization , Containers, Migration Hubertus Franke
2006-02-03 18:36       ` [RFC][PATCH 1/5] Virtualization/containers: startup Rik van Riel
2006-02-05 14:52       ` Kirill Korotaev
2006-02-06  8:39       ` Eric W. Biederman
2006-02-06  9:00         ` Kirill Korotaev
2006-02-06  9:19           ` Eric W. Biederman
2006-02-06 16:37             ` Dave Hansen
2006-02-06 18:37               ` Eric W. Biederman
2006-02-06 19:32                 ` Kirill Korotaev
2006-02-06 22:40                 ` Cedric Le Goater
2006-02-07  1:57                   ` Eric W. Biederman
2006-02-08 21:54                 ` swsusp done by migration (was Re: [RFC][PATCH 1/5] Virtualization/containers: startup) Pavel Machek
2006-02-09 18:20                   ` Eric W. Biederman
2006-02-10  0:21                     ` Kyle Moffett
2006-02-10  4:31                       ` Sam Vilain
2006-02-10  6:23                         ` [Devel] " Vasily Averin
2006-02-11  2:38                           ` Sam Vilain
2006-02-11 17:29                             ` Vasily Averin
2006-02-12 23:29                               ` Sam Vilain
2006-02-10  8:29                         ` Kyle Moffett
2006-02-10  5:40                 ` [RFC][PATCH 1/5] Virtualization/containers: startup Nigel Cunningham
2006-02-10  6:01                   ` Eric W. Biederman
2006-02-06 10:16   ` Jes Sorensen
2006-02-05 20:13 ` Andi Kleen
2006-02-06  9:04   ` Kirill Korotaev
2006-02-06  0:56 ` Benjamin Herrenschmidt
2006-02-06  9:03   ` Kirill Korotaev [this message]
2006-02-06  8:31 ` Eric W. Biederman

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