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Re: [RFC][PATCH 1/2] Virtualization of UTS [message #2208 is a reply to message #2207]

Fri, 24 March 2006 19:50

ebiederm
Messages: 1354
Registered: February 2006

Senior Member

Kirill Korotaev <dev@sw.ru> writes:

>>> This patch introduces utsname namespace in system, which allows to have
>>> different utsnames on the host.
>>> Introduces config option CONFIG_UTS_NS and uts_namespace structure for this.
>> Ok. It looks like we need to resolve the sysctl issues before we merge
>> either patch, into the stable kernel.
> I disagree with you. Right now we can have sysctl and proc for init namespaces
> only.
> And when sysctl and proc are virtualized somehow, we can fix all these.
> I simply don't expect /proc and sysctl to be done quickly. As we have very
> different approaches. And there is no any consensus. Why not to commit
> working/agreed parts then?

So getting this code into Andrews development tree (as long as he is willing
to accept it) looks very reasonable. We can't change the interface
once we get into the stable kernel because that becomes part of the
ABI.

So all I am saying is that this code is clearly not yet ready for
the stable branch, because we plan to change the sysctl interface.

>> We also need to discuss the system call interface, as without one
>> the functionality is unusable :)
> I also don't see why it can be separated. There is an API in namespaces, and how
> it is mapped into syscalls is another question. At least it doesn't prevent us
> from commiting virtualization itself, agree?

Separating the patches makes a lot of sense. Putting something into
the kernel without any in tree users is a problem.

Eric

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[Message index]

		[RFC] Virtualization patches for IPC/UTS. 2nd step By: dev on Fri, 24 March 2006 17:23
		[RFC][PATCH 1/2] Virtualization of UTS By: dev on Fri, 24 March 2006 17:31
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: ebiederm on Fri, 24 March 2006 19:09
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: dev on Fri, 24 March 2006 19:35
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: ebiederm on Fri, 24 March 2006 19:50
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: ebiederm on Mon, 27 March 2006 19:40
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: James Morris on Fri, 24 March 2006 20:28
		Re: [RFC][PATCH 1/2] Virtualization of UTS By: Sam Vilain on Tue, 28 March 2006 03:45
		[RFC][PATCH 2/2] Virtualization of IPC By: dev on Fri, 24 March 2006 17:35
		Re: [RFC][PATCH 2/2] Virtualization of IPC By: Dave Hansen on Fri, 24 March 2006 19:13
		Re: [RFC][PATCH 2/2] Virtualization of IPC By: Herbert Poetzl on Fri, 24 March 2006 21:27
		Re: [RFC][PATCH 2/2] Virtualization of IPC By: Sam Vilain on Tue, 28 March 2006 05:26
		Re: [RFC][PATCH 2/2] Virtualization of IPC By: ebiederm on Fri, 24 March 2006 20:09
		Re: [RFC][PATCH 2/2] Virtualization of IPC By: serue on Mon, 27 March 2006 15:33

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