On Fri, 2007-11-02 at 10:39 -0700, Linus Torvalds wrote:
>
> On Fri, 2 Nov 2007, Dave Hansen wrote:
> >
> > There are certainly more of these, but here is one In the futex
> > userspace address, we install the current pid's vnr into a userspace
> > address.
>
> Now, realistically, why not just say "you can't use these things across
> namespaces"? Does anybody really care? After all, somebody who screws this
> up only screws himself, not anybody else.
>
> Linus
Accessing the same robust futex from different PID namespaces on the
same machine via a shared file mapping is logically equivalent to
accessing the same robust futex from different machines via a shared
filesystem and there's no reason to expect either operation to work
correctly.
--
Nicholas Miell <[email protected]>
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