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From: Kay Sievers <kay.sievers@vrfy.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pavel Emelyanov <xemul@parallels.com>, Tejun Heo <tj@kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Alan Cox <alan@linux.intel.com>,
	Roland McGrath <roland@hack.frob.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Cyrill Gorcunov <gorcunov@openvz.org>,
	James Bottomley <jbottomley@parallels.com>
Subject: Re: [RFC][PATCH 0/3] fork: Add the ability to create tasks with given pids
Date: Fri, 27 Jan 2012 00:28:39 +0100	[thread overview]
Message-ID: <CAPXgP12_EafamdpPwxFWY9GiTEE_qEY7wOWCn1MRZgNTF6ikbA@mail.gmail.com> (raw)
In-Reply-To: <CA+55aFwS0=yb1Nwq=ph6-B5XRY-r7h+EjXq9EDDH7oj8UObrQw@mail.gmail.com>

On Tue, Nov 22, 2011 at 17:44, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Tue, Nov 22, 2011 at 8:30 AM, Pavel Emelyanov <xemul@parallels.com> wrote:
>>>>
>>>> I think that systemd guys can play with it. E.g. respawning daemons with predefined
>>>> pids sounds like an interesting thing to play with.
>>>
>>> But wouldn't CAP_CHECKPOINT be enough for systemd?
>>
>> It would, but what's the point in granting to a systemd (which can be a container's
>> init by the way) the ability to use the _whole_ checkpoint/restore engine?
>
> Christ, stop making it sound like we would *want* systemd to do even
> more odd things.
>
> Quite frankly, any feature that is sold with ".. and systemd can use
> this fox Xyz", is a *misfeature* in my opinion.  Core infrastructure
> like systemd should use a *minimal* interface, not some random
> extended features.

No worries, there is no plan from the systemd maintainers side to use
or need predictable PIDs. We still start, stop and restart service the
old-school way, and will leave checkpoint/restart to somebody else. :)

Kay

  parent reply	other threads:[~2012-01-26 23:29 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-17 11:41 [RFC][PATCH 0/3] fork: Add the ability to create tasks with given pids Pavel Emelyanov
2011-11-17 11:42 ` [PATCH 1/3] pids: Make alloc_pid return error Pavel Emelyanov
2011-11-17 11:42 ` [PATCH 2/3] pids: Split alloc_pidmap into parts Pavel Emelyanov
2011-11-17 11:43 ` [PATCH 3/3] pids: Make it possible to clone tasks with given pids Pavel Emelyanov
2011-11-17 15:32   ` Oleg Nesterov
2011-11-17 15:49     ` Pavel Emelyanov
2011-11-17 16:00       ` Oleg Nesterov
2011-11-17 17:28   ` Linus Torvalds
2011-11-17 19:04     ` Oleg Nesterov
2011-11-17 18:36   ` Oleg Nesterov
2011-11-18 10:05     ` Pavel Emelyanov
2011-11-17 15:49 ` [RFC][PATCH 0/3] fork: Add the ability to create " Oleg Nesterov
2011-11-17 16:01   ` Pavel Emelyanov
2011-11-17 16:02     ` Oleg Nesterov
2011-11-18 23:30     ` Tejun Heo
2011-11-21  9:15       ` Pavel Emelyanov
2011-11-21 22:50         ` Tejun Heo
2011-11-22 11:11           ` Pavel Emelyanov
2011-11-22 12:04             ` Pedro Alves
2011-11-22 15:33               ` Tejun Heo
2011-11-23 16:20                 ` Pedro Alves
2011-11-23 16:24                   ` Tejun Heo
2011-11-23 17:26                     ` Oleg Nesterov
2011-11-23 17:37                       ` Tejun Heo
2011-11-23 18:19                     ` Pavel Emelyanov
2011-11-23 20:14                       ` Pavel Emelyanov
2011-11-24 17:31                         ` Oleg Nesterov
2011-11-25 10:14                           ` Pavel Emelyanov
2011-11-25 16:22                             ` Oleg Nesterov
2011-11-25 16:44                               ` Pavel Emelyanov
2011-11-25 16:54                                 ` Oleg Nesterov
2011-11-25 17:03                                   ` Pavel Emelyanov
2011-11-25 22:36                                     ` Pedro Alves
2011-11-27 16:24                                       ` [RFC][PATCH 0/3] fork: Add the ability to create tasks with?given pids Oleg Nesterov
2011-11-27  9:41                             ` [RFC][PATCH 0/3] fork: Add the ability to create tasks with given pids Konstantin Khlebnikov
2011-11-27 17:34                               ` Oleg Nesterov
2011-11-27 18:47                             ` Tejun Heo
2011-11-28 10:38                               ` Pavel Emelyanov
2011-11-28 16:25                                 ` Tejun Heo
2011-11-22 15:23             ` Tejun Heo
2011-11-22 15:29               ` Tejun Heo
2011-11-22 16:30               ` Pavel Emelyanov
2011-11-22 16:44                 ` Linus Torvalds
2011-11-22 19:29                   ` Pavel Emelyanov
2012-01-26 23:28                   ` Kay Sievers [this message]
2011-11-22 21:16           ` Oleg Nesterov

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