Re: [PATCH -mm 0/7] execns syscall and user namespace

Arjan van de Ven
2006-07-11T08:02:54Z

On Tue, 2006-07-11 at 09:50 +0200, Cedric Le Goater wrote:
> Hello !
>
> The following patchset adds the user namespace and a new syscall execns.
>
> The user namespace will allow a process to unshare its user_struct table,
> resetting at the same time its own user_struct and all the associated
> accounting.
>
> The purpose of execns is to make sure that a process unsharing a namespace
> is free from any reference in the previous namespace. the execve() semantic
> seems to be the best candidate as it already flushes the previous process
> context.
>
> Thanks for reviewing, sharing, flaming !

how does this interact with the unshare() syscall ?
can the unshare syscall be rigged up such that you have the same effect?