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Re: [RFC][PATCH 1/2] add user namespace [try #2] [message #6121 is a reply to message #6077]

Fri, 08 September 2006 15:45

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

> On Thu, Sep 07, 2006 at 08:05:30PM +0400, Kirill Korotaev wrote:
>
>>BTW...
>>
>>
>>>--- 2.6.18-rc4-mm3.orig/include/linux/sched.h
>>>+++ 2.6.18-rc4-mm3/include/linux/sched.h
>>>@@ -26,6 +26,7 @@
>>> #define CLONE_STOPPED 0x02000000 /* Start in stopped state */
>>> #define CLONE_NEWUTS 0x04000000 /* New utsname group? */
>>> #define CLONE_NEWIPC 0x08000000 /* New ipcs */
>>>+#define CLONE_NEWUSER 0x10000000 /* New user */
>>
>>we have place for 3 namespaces more only.
>>Does anyone have a plan what to do then?
>
>
> what about having a new clone syscall with 32 or
> better 64 bits reserved for namespace stuff, and
> only put basic/generic namespaces or even aggregate
> flags into the existing clone interface?
>
> something like: uts+ipc+user -> CLONE_NEWXYZ
> but CLONE2_NEWUTS, CLONE2_NEWIPC, CLONE2_NEWUSER
I would suggest to do it another way then:
remove CLONES_NEWXXXNS from clone() at all (except for MNT NS for compatibility)
and introduce sys_clone_ns() with totatally new 64bit flags like
CLONE_NS_UTS
CLONE_NS_IPC
CLONE_NS_USER
CLONE_NS_NET
etc.

Thanks,
Kirill

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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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