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Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code [message #10941 is a reply to message #10934]

Thu, 08 March 2007 10:31

Srivatsa Vaddagiri
Messages: 241
Registered: August 2006

Senior Member

On Wed, Mar 07, 2007 at 12:50:03PM -0800, Paul Menage wrote:
> The callback mutex (which is what container_lock() actually locks) is
> also used to synchronize fork/exit against subsystem additions, in the
> event that some subsystem has registered fork or exit callbacks. We
> could probably have a separate subsystem_mutex for that instead.

Why can't manage_mutex itself be used there (to serialize fork/exit callbacks
against modification to hierarchy)?

> Apart from that, yes, it may well be possible to move callback lock
> entirely inside cpusets.

Yes, that way only the hierarchy hosting cpusets takes the hit of
double-locking. cpuset_subsys->create/destroy can take this additional lock
inside cpuset.c.

--
Regards,
vatsa

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[Message index]

		[PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Mon, 12 February 2007 08:15
		[PATCH 2/7] containers (V7): Cpusets hooked into containers By: Paul Menage on Mon, 12 February 2007 08:15
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Paul Menage on Thu, 15 February 2007 20:49
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: serue on Thu, 15 February 2007 20:35
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Srivatsa Vaddagiri on Wed, 07 March 2007 14:34
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Paul Menage on Wed, 07 March 2007 16:01
		Re: [ckrm-tech] [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Srivatsa Vaddagiri on Wed, 07 March 2007 16:24
		Re: [ckrm-tech] [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Paul Menage on Wed, 07 March 2007 16:31
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Srivatsa Vaddagiri on Wed, 07 March 2007 14:52
		Re: [PATCH 2/7] containers (V7): Cpusets hooked into containers By: Paul Menage on Wed, 07 March 2007 16:12
		[PATCH 4/7] containers (V7): Simple CPU accounting container subsystem By: Paul Menage on Mon, 12 February 2007 08:15
		[PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: Paul Menage on Mon, 12 February 2007 08:15
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: Srivatsa Vaddagiri on Sat, 24 March 2007 04:58
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: serue on Mon, 26 March 2007 21:55
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: Srivatsa Vaddagiri on Sat, 24 March 2007 16:23
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: serue on Mon, 26 March 2007 21:57
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: Srivatsa Vaddagiri on Wed, 28 March 2007 14:55
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: Srivatsa Vaddagiri on Sat, 31 March 2007 02:47
		Re: [ckrm-tech] [PATCH 7/7] containers (V7): Container interface to nsproxy subsystem By: serue on Mon, 02 April 2007 14:09
		[PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Paul Menage on Mon, 12 February 2007 08:15
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Srivatsa Vaddagiri on Mon, 12 February 2007 15:34
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Paul Menage on Mon, 12 February 2007 18:49
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: xemul on Tue, 13 February 2007 08:52
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Paul Menage on Tue, 13 February 2007 09:03
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: xemul on Tue, 13 February 2007 09:18
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Paul Menage on Tue, 13 February 2007 09:37
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: xemul on Tue, 13 February 2007 09:49
		Re: [PATCH 6/7] containers (V7): BeanCounters over generic process containers By: Paul Menage on Thu, 15 February 2007 00:47
		[PATCH 5/7] containers (V7): Resource Groups over generic containers By: Paul Menage on Mon, 12 February 2007 08:15
		[PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Menage on Mon, 12 February 2007 08:15
		Re: [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Menage on Mon, 12 February 2007 19:26
		Re: [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Menage on Mon, 12 February 2007 19:46
		Re: [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Tue, 13 February 2007 05:48
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Tue, 13 February 2007 08:16
		Re: [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Wed, 07 March 2007 12:21
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Wed, 07 March 2007 14:06
		Re: [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Menage on Wed, 07 March 2007 20:50
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Thu, 08 March 2007 10:31
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Menage on Thu, 08 March 2007 10:40
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sun, 11 March 2007 19:38
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Mon, 12 March 2007 14:19
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Thu, 22 March 2007 09:56
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Thu, 22 March 2007 10:20
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sat, 24 March 2007 14:58
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sat, 24 March 2007 19:25
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sun, 25 March 2007 00:38
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sun, 25 March 2007 01:41
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sun, 25 March 2007 02:21
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sun, 25 March 2007 04:16
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sun, 25 March 2007 05:43
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sun, 25 March 2007 08:14
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sun, 25 March 2007 04:45
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Srivatsa Vaddagiri on Sun, 25 March 2007 04:57
		Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code By: Paul Jackson on Sun, 25 March 2007 04:59
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Jackson on Mon, 12 February 2007 09:18
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Mon, 12 February 2007 09:32
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Jackson on Mon, 12 February 2007 09:52
		[PATCH 3/7] containers (V7): Add generic multi-subsystem API to containers By: Paul Menage on Mon, 12 February 2007 08:15
		Re: [PATCH 3/7] containers (V7): Add generic multi-subsystem API to containers By: Paul Menage on Mon, 12 February 2007 18:31
		Re: [PATCH 3/7] containers (V7): Add generic multi-subsystem API to containers By: Cedric Le Goater on Mon, 12 February 2007 15:56
		Re: [PATCH 3/7] containers (V7): Add generic multi-subsystem API to containers By: Balbir Singh on Wed, 14 February 2007 08:49
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Mon, 12 February 2007 23:15
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Sam Vilain on Tue, 13 February 2007 00:30
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: ebiederm on Tue, 20 February 2007 17:34
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Mon, 12 February 2007 23:18
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: serue on Mon, 12 February 2007 22:47
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Sam Vilain on Mon, 12 February 2007 22:38
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Tue, 20 February 2007 17:55
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: ebiederm on Tue, 20 February 2007 19:29
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Tue, 20 February 2007 22:47
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: serue on Tue, 20 February 2007 23:32
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Sam Vilain on Tue, 20 February 2007 23:08
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Sam Vilain on Tue, 20 February 2007 21:58
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Tue, 20 February 2007 22:19
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Sam Vilain on Tue, 20 February 2007 22:58
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Tue, 20 February 2007 23:28
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: Paul Menage on Tue, 20 February 2007 23:36
		Re: [PATCH 0/7] containers (V7): Generic Process Containers By: serue on Tue, 20 February 2007 23:37

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