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Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] [message #6250 is a reply to message #6248]

Tue, 12 September 2006 15:44

ebiederm
Messages: 1354
Registered: February 2006

Senior Member

Cedric Le Goater <clg@fr.ibm.com> writes:

> Herbert Poetzl wrote:
>
> [ ... ]
>
>> as I said, I'd opt for having a new clone() syscall in
>> addition to the existing one, with a separate 64bit
>> set of flags to decide what namespaces should be created
>> or cloned. there is no problem with putting 'important'
>> or generally 'useful' flags (like for example for pid,
>> uts or lightweight network isolation) into the existing
>> clone call (will require a simple mapping if done properly)
>> so that they can be used with 'older' libc interfaces too
>>
>> I know, it would be 'nice' to keep the existing clone()
>> interface, but I think it already has become a complication
>> we should avoid (and we have not even used up all the
>> available flags :)
>
> agree and so does Kirill.
>
>> are there any strong arguments against having a new
>> clone() syscall, which I was missing so far?
>
> I don't see any.
>
> I'm going to revive execns() syscall into a clone_ns() syscall as suggested
> by Kirill and you. Then, others will be free to nack ;)

I think it is silly, but I see not real problems with the idea.

Eric

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[Message index]

		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: dev on Thu, 07 September 2006 16:01
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Herbert Poetzl on Thu, 07 September 2006 17:15
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: dev on Fri, 08 September 2006 15:45
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Cedric Le Goater on Mon, 11 September 2006 08:46
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: serue on Thu, 07 September 2006 17:29
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Herbert Poetzl on Thu, 07 September 2006 17:57
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: serue on Mon, 11 September 2006 15:59
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: ebiederm on Thu, 07 September 2006 20:01
		Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Cedric Le Goater on Mon, 11 September 2006 08:59
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: ebiederm on Mon, 11 September 2006 11:16
		Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Herbert Poetzl on Tue, 12 September 2006 10:54
		Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Cedric Le Goater on Tue, 12 September 2006 15:16
		Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] By: ebiederm on Tue, 12 September 2006 15:44
		Re: Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Cedric Le Goater on Tue, 12 September 2006 16:07
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: dev on Tue, 12 September 2006 13:53
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: ebiederm on Tue, 12 September 2006 15:06
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: dev on Sat, 16 September 2006 12:05
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Herbert Poetzl on Sat, 16 September 2006 14:19
		Re: [RFC][PATCH 1/2] add user namespace [try #2] By: Herbert Poetzl on Fri, 08 September 2006 05:57

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