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SubjectRe: [PATCH 1/2] fix sys_unshare()+SEM_UNDO: add support for CLONE_SYSVSEM
Quoting Andrew Morton (akpm@linux-foundation.org):
> On Mon, 14 Apr 2008 09:58:40 -0500
> "Serge E. Hallyn" <serue@us.ibm.com> wrote:
>
> > Quoting Manfred Spraul (manfred@colorfullife.com):
> > > Andrew Morton wrote:
> > >> On Sun, 13 Apr 2008 10:04:17 +0200 Manfred Spraul
> > >> <manfred@colorfullife.com> wrote:
> > >>
> > >>> sem_undo_list **new_ulistp)
> > >>> {
> > >>> - if (unshare_flags & CLONE_SYSVSEM)
> > >>> - return -EINVAL;
> > >>> + if (unshare_flags & CLONE_SYSVSEM) {
> > >>> + *new_ulistp = (void*)1;
> > >>> + }
> > >>>
> > >>
> > >> And can we do anything nicer than this?
> > >>
> > >>
> > > Attached is an alternative. If you prefer it, I'll send another patch set.
> >
> > FWIW I definately far far prefer this version :)
>
> Oh, OK.
>
> I guess I'll drop what I have. Manfred, can we please have a new patchset?
>
> We might end up slipping this back to 2.6.25.1. Would that be a bad thing?

It'd be unfortunate, but as the existing patch doesn't completely fix
the problem it's probably best to wait anyway.

Manfred, I don't want to step on your toes, but please do let me know if
you don't have time to do the next version. If you do have time, then
thank you again for spotting+fixing the problem.

thanks,
-serge


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