[lkml]   [2006]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: RFC: Multiple instances of kernel namespaces.
Herbert Poetzl <> writes:

> On Sat, Jan 21, 2006 at 03:04:16AM -0700, Eric W. Biederman wrote:
>> So in the simple case I have names like:
>> 1178/1632
> which is a new namespace in itself, but it doesn't matter
> as long as it uniquely and persistently identifies the
> namespace for the time it exists ... just leaves the
> question how to retrieve a list of all namespaces :)

Yes but the name of the namespace is still in the original pid namespace.
And more importantly to me it isn't a new kind of namespace.

>> If I want a guest that can keep secrets from the host sysadmin I don't
>> want transitioning into a guest namespace to come too easily.
> which can easily be achieved by 'marking' the namespace
> as private and/or applying certain rules/checks to the
> 'enter' procedure ...

Right. The trick here is that you must be able to deny
transitioning into a namespace from the inside the namespace.
Or else a guest could never trust it. Something one of my
coworkers pointed out to me.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-01-26 21:16    [W:0.113 / U:10.592 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site